Volvo xc70 rough idle

Volvo xc70 rough idle. Cold Weather/Touring/Premium packages. May 20, 2015 · 2006 XC70 - Reduced engine performance message. Let it sit a while, still ran rough, but Jan 19, 2012 · Wisconsin. Mar 1, 2008 · 4 posts · Joined 2008. Just unplugged the TB connector, cleaned, contacts look good. Motor starting running rough. When I bought it, it ran, but rough. The fly-by-wire ETM can adjust the throttle opening automatically based on changing engine loads. May 12, 2016 · Year and Model: 2003 XC70. Jan 1, 2009 · Rough Idle and VIbration in Cold Weather. Here' is why the revs are the same in D and N and also why these sensors wear in the idle region of the sensor. Sometimes they can be removed (two torx screws) and cleaned with chlorine-free brake cleaner. It's not bad but not as smooth as my V70. I've had an idle that goes up and down a few hundred RPM when idle. D5 rough idle when cold. Aug 24, 2013 · Greetings. May 11, 2009 · I have a 2003 Volvo XC70. 2001 - 2007 V70 Nov 22, 2012 · This symptom is also intermittent. Jul 5, 2011 · When the volage feedback isn't correct you'll get the high revs and/or rough idle. Here's how far down the rabbit hole I now am: - Xemodex rebuilt ECM (it now responds when you step on the gas pedal) - New MAF sensor. My first thought is a vacuum leak since it smooths out when you come off idle. When the vehicle is first started in the morning and still in "Park" the engine light remains on and the message "Reduce Speed or Shift Up" appears in the centre of the tacho below the temperature indicator. Location: Wyoming. If I try to restart it, it just cranks and will not start. #2 · Apr 22, 2006. If I disconnect the battery and leave it for 20 mins the cold start problem goes away for about 5 days and then returns (weird). I immediately checked codes and it gave P0026 and P0027, ie intake and exhaust solenoids. The most common reasons a Volvo XC70 has a vacuum leak are leaking vacuum hoses, leaking gaskets and seals, or bad actuators and valves. Shortly after this, I lost throttle response and the engine began to run extremely poorly - the revs started to become lumpy and "jump" erratically and soon after Mar 30, 2016 · Joined: 15 Apr 2016, 23:52. 30 % of the time it's the. Unplugged the MAF and car starts fine and idles fine. Again, a normal throttle, with a warm engine, will not do this. The paint is like new and despite the previous owners using it to transport a large dog, the interior smells vaguely of "new car". Just one more thing on the list. Jun 4, 2023 · I have an issue where it on idle sometimes stutters "diesel knocks" for 2-3 seconds and goes back to normal. I cleaned the MAF and no change. The Volvo dealership replaced the mass airflow sensor. by NEW ENGLAND S70 » 01 Jan 2009, 04:15. when left overnight in cooler temps, it will started by just running rough backing out of the driveway. Volvo C70. Basically I have to start it and rev it for about 30 seconds or else it dies. most likely a bad coil on cylinder 3. There's a cleaning tutorial pinned at the top of this forum. I had the engine oil changed, replac … read more Sep 29, 2020 · Hello, I have this problem which I cant get to the bottom of, V70 2. We ended up removing some of the intake ducting and taking a look inside. Occasionally (about 10% of the time) when I start the car, it starts then immediately dies. The engine usually won’t restart and the vehicle has to be towed in for repairs. 4T manual which has covered 186,000miles, and recently it has developed a fault where (sometime not all the time) when started hot or cold the car will run rough idling between 200rpm and 2000rpm then eventually dieing. Should have done more “Italian Tune-ups”. AC is not on. 0 %. Try unplugging the MAF sensor. 1992 - 1997 850, including 850 R, 850 T-5R, 850 T-5, 850 GLT 1997 - 2000 S70, S70 AWD 1997 - 2000 V70, V70 AWD 1997 - 2000 V70-XC 1997 - 2004 C70 Nov 24, 2011 · Take the cylinder "like" valve off; Look in the end where the piston moves back and forth. If you let it idle, it gets rougher until it eventually stalls. Hello all, I have a 2006 XC70 that we love except for a few very annoying (terrifying to my wife) issues. No check engine light but did pull a code 6806. Hi, I've got a small problem with my 2007 S80 V8 having a somewhat rough idle the moments after starting up. 4 volvo V70. However, I spoke to another buddy who is a If it missfires on that cylinder then its a bad coil, if it still missfires @ #3 cylinder then its probably a bad plug. The most common reasons a 2013 Volvo XC60 has rough idle are a vacuum leak, an issue with the spark plugs, or a problem with the ignition coil. So the car has a very tight, stiff, and quick vibration at idle, both in park and drive. 2004, 142,000 miles, plugs and coils done at 135K, complete PCV replacement at 130K, oil changes on time, cleaned the MAF sensor when I serviced the car last. Hello. 2001 xc70 rough idle Help, Advice, Owners' Discussion and DIY Tutorials on Volvo's stylish, distinctive P2 platform cars sold as model years 2001-2007 (North American market year designations). It might just be a blown fuse or a bad relay, but on a high Cleaned the injectors (off car) Cleaned the throttle body (off car) All back together and the hesitation / rough idle is still there. Cranked it and it started right up. Noise still exists and now when I get out of the car, there is a gas/oil smell. For those who had the same problem ,this is what they found. The MAF sensor may have gotten dirty if the air filter box is not installed properly because unfiltered air is coming through (a generalisation, I don't have your gen of Volvo). Car won't idle unless your foot is on the gas, and then it revs and falls without changing pressure on the pedal. by ADriggs26 » 04 Apr 2016, 21:04. When the weather is cold the car has a rough idle and vibration that emanates from the right side of the engine. My D5 has developed a lumpy idle on starting from cold only, it doesn't show on rev counter so its only slight, but after having lived with the car for a long time, I know how it should sound, and once it's Oct 23, 2017 · Hey, i have a idle problems with my Volvo V70 2. '99 Volvo V70. Second owner of it, looking to follow after Irv Gordon and rack up as many miles as I can. This article will discuss Volvo’s Electronic Throttle Module problems. 34 % of the time it's the. by rsrobbins » 05 Jul 2011, 17:18. If I turn AC on, rough idle almost goes away, if I turn the AC off, the rough idle comes back quickly. Posts. Also remove electrical connector and reconnect to make sure it's seated correctly. It has a check engine light. Install a fuel pressure gauge, key on, wait a few seconds for the pump to stop running then key off. Ensure that the line pressure does not fall below 200 kPa within 20 minutes of the fuel pump being shutoff. View Photos By: skye740. 0 % 21 % of the time it's the. 4t. by l0pesfrmsf » 15 May 2014, 20:12. - stalling or almost stalling when slowing down, rpm drops to below 500rpm. In addition, I've even experienced random rev's up to 2,500 and then back down to idle. Nov 28, 2021 · D5 2015 euroV (HDF engine cover and oil fill at the top right) XC60 AWD auto. No buzz means the fuel pump isn’t running. When decelerating, downshifting, I get a sudden surge from about 500 - 1100 RPM. Listen for a buzz from the vicinity of the fuel tank when the ignition is turned on. By joining our free community you will have access to post topics, communicate privately with other members (PM), respond to polls, upload content Jan 31, 2021 · Rough idle on start up S80 '06-'16 / V70 & XC70 '07-'16 General. Letting it sit for anything less than that it normally Apr 4, 2016 · Idle up and Down, also rough. I’ve changed out the MAF with a test unit still no change. Jul 24, 2008 · I'm getting an occasional "rough idle. About a month ago I noticed, always while on the Interstate, that at times (about once a week), while driving 60-70mph, the engine would, all of a sudden, lose all power. Literally just passed 102k. Everyday I start the car and drive to a friends house 15 minutes away. '05 Volvo XC70. Having some no start/rough running/no acceleration issues with a 09 xc70 3. Dealer serviced in accordance with factory specs up to about 100,000 miles. No difficulty starting. Check Engine Light – Running Rough. That is, one moment you are cruising at 60mph, minimal throttle opening, and then, the car begins to Nov 25, 2019 · Hey, guys. 2. Half an hour after driving it home the check engine like came on and the following code P0012 came up which pointed to the camshaft pos sensor so replaced that with new. Jun 21, 2012 · This happens all the time now, was intermittent. The engine rotation almost stops briefly before rotating again. The engine initially runs at between 1500-2000rpm reduciong to between 600-700rpm and idles very rough. The most common reasons a 2011 Volvo XC70 has rough idle are a vacuum leak, an issue with the spark plugs, or a problem with the ignition coil. The new to me car has a lumpy idle for a couple of seconds from cold ie 4c this morning. Apr 20, 2024 · I have a 2019 XC40. The main one is a very rough idle 100% of the time the first warm start of the day, and at other times as well, but never at a cold start. The PCV and fuel filter will not cause a misfire on 1 cylinder. Welcome to the Volvo Community forums of the Volvo Owners Club. 0 % 15 % of the time it's the. I have a 05 XC70 2. The CEL came on and it threw (2) P2188 Oct 21, 2012 · Welcome to the Volvo Community forums of the Volvo Owners Club. #1 · Oct 2, 2015. We would like to show you a description here but the site won’t allow us. I spoke to a mechanic about it but he figured it probably was nothing since it wasn't consistent and only happened after startup. 2 80k. 5T AWD Silver/Charcoal [190K] XeMODeX DIM, Mud Guards, 05- Wiper Arms, LED Headlights 2004 S80 2. If yours are original, then that could be the cause. Nov 26, 2022 · Those things are expensive. If I let it sit for about 90 seconds I can usually get it restarted. I do have a plan to replace all the mounts. After the new MAF didn't fix the issue, I took my car over to a friend's place to look for more vacuum leaks etc. Took it to a shop (Scandinavian Service) and they replaced the Mass Airflow Sensor in December. Specifically, the 2006 Volvo XC90 and 2006 Volvo C70 have been reported to exhibit this code. Came to a stop. by netguyscott » 18 Oct 2014, 19:42. My 2019 has been to the dealership twice and they say there are no codes, thus Oct 18, 2014 · 98 S70 t5 Rough idle sputter dies often. The cars idle ranges from rough to violent, all under what seems like random conditions. Mar 16, 2012 · I think you have a bad coolant temp sensor - seems to fit the symptoms of crap running when cold. Simply put it is in perfect condition both inside and out. 2005 XC70 Rough idle. I can rev and max out rpm and seems to stabelize, but when I put in gear, I lose all power! Not great for heavy traffic. Also car had been sitting 6mo-1yr undriven. The codes are PO 600, system too lean, off idle speed bank 1, and P 2177. Small amounts of oil in the intercooler hoses are normal, but it sounds like your PCV system may be clogged as well. 0 % 34% of the time it's the Apr 26, 2013 · 2005 S60 2. Got me scratching my skull. by barnes89 » 08 Nov 2015, 17:16. Jump to Latest Follow 2001 Volvo V70 T5M purchased for $1,500 - The Daily 2018 Mustang GT M - The Canyon/Track Car Jun 6, 2010 · Poor engine idle d5. Rough Idle when Warm – V70. 2003 Volvo XC70. Surging/rough Idle *UPDATE*FIXED* XC90 2005. 3 T5 with 240K km and I absolutely love it. Local volvo specialist found lose clamp on some vacuum hose at rear of turbo, but still has issue. Jul 22, 2021 · Hello all, I'm writing this post because I am having some issues with my XC70, I recently replaced breather box after having issues with positive crankcase pressure as well as replacing the spark plugs and the car is now in limp mode and idling extremely rough. Nov 8, 2023 · Volvo cars with five-cylinder gasoline engines (V70 S60 S80) can suffer from rough idle and stalling problems. Jul 31, 2014 · 2004 XC70 P0132/P0134 alternating with rough cold idle. With AC off, the rough idle is bad enough that the engine starts to shake the car modestly; Rough idle is not Sep 12, 2013 · Greetings. By joining our free community you will have access to post topics, communicate privately with other members (PM), respond to polls, upload content Reasons a Volvo C70 Has Rough Idle. Join Date: Jun 2006. P2135 ECM-903C Throttle position (TP) sensor. I will have to call for a tow truck as it can't be driven to the local indy mechanic or the dealer because of this. Also when the RPM drops, the idle is rough. As soon as I registered it here, it developed what I could best describe as a hard surging idle. 5T AWD Crystal Green Pearl / Light Sand [240K] Bi-Xenon, LED Foglights, 07 Turbo and rear diff The most common reasons a 2009 Volvo XC70 has rough idle are a vacuum leak, an issue with the spark plugs, or a problem with the ignition coil. In this forum you'll find S40/V40-specific owners asking and answering questions on maintenance, ownership, repairs, tutorials and almost every do-it-yourself thing you can do to save money owning these Volvos. May 20, 2011 · Periodically, my car will have rough idle from 200-2000 rpm. 2004 Volvo C70 Rough Idle Problems. After a quick trip, it wouldn't start (this was after my 20 minute commute home, so car was hot). 347. Once the idle settles down (after maybe 5-10 seconds) at 900 rpm, its smooth. What does a Flashing Check Engine light mean P0301 to P0312 - Basic how to diagnose and fix May 22, 2012 · Rough idle leads to near stalling/stumbling Help, Advice, Owners' Discussion and DIY Tutorials on S40 and V40. When this code surfaces, your vehicle’s performance may suffer, potentially leading to issues with the variable valve timing (VVT) system. [img]o [/img] Have a 2001 v70 thats ran great since we bought it a year ago its got a new timing belt ,water pump, alt, batt, and jus recently had all the fluids changed the only thing that we havent done is change the spark plugs. Had that repair done. The check engine light was on, so I had Autozone run the codes. I have a 2006 Volvo V70 2. Asked by Visitor in Fredericksburg, VA on . Sep 15, 2013 · It's had a rough idle for a while but barely noticeable. What i've done: I cleaned the MAF with CRC and changed the filter when I thought it would fix the rough idling. Dec 30, 2020 · So, I read up on stalling and rough idle on MVS, Heat & AC, Volvo Repair Documentation, Volvo S70 & V70 1998-2000, Volvo XC70 & V70XC; MVS External Links. #10 · Jul 10, 2009. Also there sounds like a wobble or loose pulley when the car idles. 2001 Volvo V70XC. 5T engine perfect but vibrates at idle. ) and Jun 27, 2022 · Rough idle is most pronounced in park. Volvo Cross Country rough idle scanner stop safely struts stuck sunglass tail light removal tensioner throttle body tires transmission v70 xc v70 xc awd vibration Apr 12, 2021 · Welcome to the Volvo Community forums of the Volvo Owners Club. It starts, idles for about 10 seconds then starts to get rough and has poor throttle response. " The rps dip to around 500 and then right back up. 2001-2007 XC70 (V70XC) 2005 XC Mar 15, 2006 · The issue the V70 is now having is rough idle, stalling when left idling for a bit, and a likelihood to stall if you rev the engine quickly. Nov 8, 2015 · 2002 v70 Bad misfire and rough idle, cut out. Summary of symptoms: Rough Idle. I would try cleaning the MAF sensor to start, then clear the codes and see if they come back. P2188 indicates that the fuel system is too rich at idle. Rough idle on startup again but as soon as I started to drive, it was fine, throttle valve on scanner % changed as I changed accel pedal position. I've just recently purchased the above car with 86,000 miles. 0 % 30 % of the time it's. . Common Repairs. Ran a couple of errands. Everyday I start the car and drive to a friends house 15 Dec 31, 2020 · Volvo / XC70 / 2003 / rough idle repair cost ; Rough idle repair cost . cold here but the car was sufficiently warm and has been running well. Help, Advice and DIY Tutorials on Volvo's extremely popular car line -- Volvo's 1990s "bread and butter" cars -- powered by the ubiquitous and durable Volvo inline 5-cylinder engine. The most common reasons a 2007 Volvo XC90 has rough idle are a vacuum leak, an issue with the spark plugs, or a problem with the ignition coil. 21 % of the time it's the. warm weather, cold engine vs. Year and Model: 1998 V70 GLT. When driving there is no issue whatsoever. Feb 27, 2021 · I have an XC70 with 185k on the odometer. May 15, 2014 · 2001 volvo rough idle to stalling out. Fillied up tank with Costoc premium. Sounds like it may be a gear shifting issue, but when I'm in Oct 20, 2005 · When fuel pumps fail, they usually just quit with little or no warning. Hooked up scanner, took for a drive. 5T AWD Crystal Green Pearl /Charcoal [240K] Mud Guards, 05- Wiper Arms, 305mm brake upgrade, Full LED Exterior snap 2003 XC70 2. The most common reasons a Volvo XC70 has rough idle are a vacuum leak, an issue with the spark plugs, or a problem with the ignition coil. This will go on for a minute or two and then run like a champ. 5T w 167k miles that was kind enough to give me a check engine light the other day. Vehicle = 1999 C70 LPT 160,000 miles. Aug 27, 2022 · XC70 is having a rough idle. May 22, 2019 · Once I got the car in the US (early June), I noticed when starting the car on a cool or cold start, the engine would momentarily rev around 1,200 - 1,500 RPM and the idle would be a little rough. It feels like the car is not running on all five cylinders. We were recently given this car from my in-laws. Hello all. If not, It might be time for a new one. The most common reasons a Volvo C70 has rough idle are a vacuum leak, an issue with the spark plugs, or a problem with the ignition coil. Oct 2, 2015 · 1711 posts · Joined 2015. She tried driving and the car would only go about 10 miles per hour. Foot is on brake (thankfully) and then while in park the idle will stay okay for a minute, then it surges slightly. 40 % of the time it's the. Nov 3, 2016 · I need some help trying to figure out an idle issue with my 2001 V70 2. Front O2 sensor was replaced a year ago, the rear is original (I think). This should solve the stall / idle problem. In January of 2012, it started surging a bit at idle. by Mihcaelmcmillan95 » 08 Feb 2013, 02:31. Driving up the street it had a bit of hesitation and then once you got on the road, it's fine. I left it at the airport for a couple days came back I checked the oil which was just a bit low and added some. 2013 3. - Replaced MAP sensor (used) May 4, 2011 · 2001 V70 XC AWD Sudden idle surge P1171. fully warmed up, driven daily vs. '98 S70 T5. 2003 XC70 Surging Idle. It almost stalled 3 minutes later. If you don't feel like doing that get a new plug/coil from volvo, forget the aftermarket shit. sitting for a week, etc. Cleaned the throttle body when I had it all apart for the PCV service. Mine were vibrating at 100k and slowly got worse until I replaced them at 128k. The total cost of repair including parts was 500 euro. 4t 2001 model. I first started noticing it, like you, when accelerating at near highway speeds. Mine actually says Fuel pump relay on it. About 10,000 miles ago I started to have this problem. No smoke at all start idle or driving. it has had a complete service including a fuel filter. Sep 29, 2013 · Hi I have a 2001 Volvo xc70 2. You can even hear this. It wasn't really noticeable on the tach, but you could hear it. So, the rpm's are at around 800rpm and it starts fluctuating 600-900rpm's (only when the engine is hot, no problem when the engine is cold) Jun 25, 2010 · Check that the pressure regulator is working and pull its vacuum line to make sure no fuel is leaking past. Vacuum Leak. V70 idle problem update. Lumpy idle from cold. Pop the cover off and you'll see it in there. Although not exclusively limited, the most likely cause of this problem might be a failing Volvo Electronic Throttle Module (ETM). Always on start and when cold. Spark Plugs. I purchased a somewhat dead but very clean appearing 1998 s70 turbo several weeks ago. It's not violent at all, but it is noticeable through feel (the steering wheel is the most noticeable), and I can also hear it clearly. Location: Isle of Skye. The next symptom is “hunting at idle. I can see movement in the upper torque mount if I push it back and forth. it was pricey at 90 euro an hour but well worth it. But this morning it was particularly rough. I wonder if a software update was installed on the car between the time Rough idle then dies after first warm start. 125,000 miles on it. Jul 5, 2011 · Rotten egg smell, rough performance. by Silver1962 » 04 May 2011, 16:36. Took it to repair shop (not a Volvo specialist) and was told it might be the power steering fluid needed changing. May 18, 2024 · Hello all, I have a 2006 XC70 that we love except for a few very annoying (terrifying to my wife) issues. Replaced MAF, reset the computer and back to original problem. 1992 - 1997 850, including 850 R, 850 T-5R, 850 T-5, 850 GLT 1997 - 2000 S70, S70 AWD 1997 - 2000 V70, V70 AWD 1997 - 2000 V70-XC 1997 - 2004 C70 Jul 2, 2021 · I have a 1999 Volvo C70 2. Feb 22, 2015 · Join Date: Dec 2004. Car is idling rough at idle when it's cold. Something else. It presents itself as almost a buffeting of air pressure within the cabin. Apr 13, 2019 · 2006 Volvo XC70 I have run into an issue that has me completely stumped. This is my second volvo I bought within a year of purchasing my first. - when warmed up, a whining noise from the engine (like a continuous alarm siren) Jul 1, 2023 · The P0027 code affects several Volvo models, including the XC90, C70, and XC70. There's (4) T25 Torx screws holding the cover on. I have a 2001 s60 with 170,000 miles on it. Unplugged battery just to try. Leaking Gaskets and Seals. If it's not put back on properly in general, the computer should compensate for the excess air flow, at the trade off for a loss of power (another generalisation). My daughter has a 2021 XC40 and it does not exhibit this behavior. 4t has a very rough idle when starting. Location: Hartford, CT. 20 % of the time it's the. Apr 20, 2006 · 6 posts · Joined 2006. P0101 is a MAF sensor code, I believe. 4 20V petrol non-turbo 02reg 185k. Ecm 6665 Glow plug relay. P0123 ECM-9150 Throttle unit, potentiometer 1 Signal too high. My wife started up her 2006 XC70 last night, it had a rough idle and reduced engine performance message. the car is and has always been serviced by volsa every 12k without fail from new its covered 77k,no loss Sep 16, 2020 · 8. Started to smell rotten egg, sulfer smell like a bad cat. 03-18-2011, 01:18 PM #3. Car revved up and ran fine. Mar 18, 2011 · 689. My name is john I am a new volvo owner and in love. You are currently viewing our boards as a guest which gives you limited access to view most discussions and access our other features. Also, encountered on 3 random occasions, the car just Jun 13, 2021 · Last Online: May 1st, 2023 20:08. checked the codes. After 2min the idle smooths out. May 11, 2014 · Complete loss of power, stalling. No change, car still running rough / misfiring. 5 t it's rough at idle sometimes the mass airflow sensor code is coming up and it says that it's running lean 2007 XC70 (Cross Country Jun 4, 2022 · My 01 V70 2. Location: wakefield. I am having issues with rough idle and car goes into limp home mode Model 1999 Volvo s70 100k miles I bought a obd 2 code reader and it is throwing codes P0645 P1620 P1081 P1026 P1031 P1017 P1021 P1026 P1031 I am using the action cp9125 reader is there a conversion from p codes to Volvo dtc codes? I read on the forum that the maf may be the issue. by Revolvor352 » 16 Apr 2016, 00:30. If you rev it, it is not 100% smooth. When it does that rail pressure goes from 350 000hpa to 400-450 000hpa. Jun 28, 2012 · start up issues. Have had an interesting thing come up on my XC70. 2006 V70xc, 90k, original owner. Ignition Coil. symptomps: - very rough idle, hesitation at the set off. Venitian Red / Beige. Jun 29, 2005 · Forum Rules. The idle smooths down and feels normal once the RPMs settle down around 900. 2016 Chevy Cruze Premier. Finally got it to start, but with a really rough idle, wouldn't go past 15mph, thankfully I was only 4 blocks from my house. Hello all, I recently acquired a 2002 V70 base model for the princely sum of $600 Canadian dollars. Replaced the radiator, hoses, most of the filters, new oil and new coolant. Aug 23, 2010 · The last few weeks I've had a high pitch whinning noise from the engine. Once even slightly warm it idles fine. Since I last posted this problem I got the car sorted by the Volvo dealers. by callahanoffroad » 18 Feb 2019, 13:09. I also think it might be ancient engine mounts. It seemed to cure the problems and all was well until about a week or so ago. by nicksorg » 12 May 2016, 15:28. Nov 24, 2010 · 777. 11-24-2010, 11:33 AM #4. 2. If the car starts and idles better with the sensor unplugged it is probably a bad MAF. Nov 7, 2019 · The rough starting also occurs with a hot engine, though without the high idle, which is normal on a hot engine. Feb 18, 2024 · 2001 xc70 rough idle. We found oil downstream from the turbo and figured that wasn't good. December 31, 2020. I unplugged the power to the TC Valve and no change. Can this cause the car to idle rough May 15, 2017 · 2004 XC70 2. Okay I'm pulling my hair out here. 0 % 34 % of the time it's the. I know if I was going to get an xc I should have shied away from the '01 but shes mine now and with new ,coils plugs, trans flush, servo update, water pump, turbo, and upper engine mount. I have an 2007 XC70 that we have owned since new. Feb 18, 2019 · Another cold start rough idle post. This means that, when you experience symptom #1 above, but are now stopped at, say, a traffic light, you’ll sometimes see the idle speed fluctuate slightly. The fuel pump relay is hidden in the fuse box up by the windshield wiper. 0 % 34% of the time it's the Feb 26, 2015 · Idle Vibration. Needs a PCV system replaced which i haven't gotten to due to expenses. 15 % of the time it's the. Vacuum Hoses. Hi all. ”. 1994/5 Volvo 850 non turbo, manual transmission. It's in the air tube between the air filter and the throttle body. Intermittent when hot. checked the glow plugs number 5 no worky. Also double-check/replace all your vacuum lines, etc. No hesitation through the range. Automatic transmission. Whenever I am in the process of slowing down from any speed, when I hit 5-7mph, the rpm's just drop and go down to about 500 rpm, and the car shudders. I have tried to pin point under what conditions the idle worsens (ie: cold weather vs. Then returns to 350. At startup, whether the engine is cold or warmed-up, the car has a irregular and somewhat rough idle. I know early d5`s suffered from injector probs my car is a 2004 oct facelift model. . Today I was driving more spiritedly than I perhaps should have and did a 0-100 acceleration with full throttle. No check engine. I dont know if you can help but my d5 runs rough on tickover a local garage says MAFF sensor Northampton diesel say injectors. It drives great and I have no problems other than this. More recently it misfires and belches out smoke when started from cold and won’t accelerate smoothly until warmed up. I've just bought a 2002 NA 2. Felt like I was running on 4 cyclinders when I accelerated. Worn drive axles will cause vibration under acceleration as well. Oct 29, 2022 · Then eventually I got my first CEL and codes are: P0638 ECM-91A7 Throttle unit Faulty signal. by jeljm » 26 Apr 2013, 03:11. Another symptom is when cranking the engine (both cold or hot), sometimes the starter is fighting against what seems like a strong kick back. Owner said radiator was cracked and leaking. Jan 1, 2019 · by MilesM » 02 Jan 2019, 03:14. by br0dy519 » 04 Jun 2022, 03:03. I drove it from Florida to Connecticut 3 weeks ago. Does it cold and hot and doesnt matter with weather, maybe a slight bit worse if its warm outside. Check (or replace) your airbox (from MAFS) to turbo inlet hose, check connections for looseness, etc. I also checked the oil which was quite low so I just topped it up again. The Volvo Cross Country Resources. I have a 1998 Volvo S70 GLT with 185K miles on it. Aug 14, 2012 · Help, Advice and DIY Tutorials on Volvo's extremely popular car line -- Volvo's 1990s "bread and butter" cars -- powered by the ubiquitous and durable Volvo inline 5-cylinder engine. Take some Electro cleaner or MAF cleaner and spray the inside of the valve, Then blow it out with air. 08/01 Build Date. pn ql nv wg yv ff ze tc mt vp