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International Automotive Technicians Network
Prev Professional Automotive Repair Technical Discussions for October 6, 2014
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Open Help Requests for All Makes and Models
Help Request Answers
1991 BMW 750iL 5.0L Poor Idle Quality, Misfire VIN: WBAGC8314M
Hi all, I have this problem car 750 v12. The car came in running in limp mode and misfiring. It was running on most cylinder except cylinders 9 and 12. You could not drive it over 25mph and it would not rev past 2500. I figured it would still rev and drive wit...
2004 BMW 525i 2.5L Surge, MIL Lamp on VIN: WBANA535X4
Customer came in with check engine light and stated that the vehicle ran rough. Was unable to duplicate running rough condition. Had code 28B6 Inlet camshaft mechanical fault. Customer returned 1 week later, installed rebuilt VANOS unit to address DME code. Cu... Trouble codes: 28B6, 27A0, 2F9A, 28C4, 28C3
2002 Cadillac Escalade 6.0L Hesitation, Surge, Cuts out, Stall, MIL Lamp on VIN: 3GYEK63N52
been around and around with this vehicle. completely intermittant. when backing up or driving forward when coming to a stop, vehicle will intermittently stall. Trouble codes: P1515 (Throttle actuator position performance), P0106 (Map Sensor performance)
2003 Chevrolet C4500 Kodiak C4C042 8.1L Speedo VIN: 1GBC4E1EX3
PCM got replaced now speedometer is not right off by 10 to 15 miles. I have reprogramed it and still is off. You can install the old one and works fine but you have to jump the starter to get it to run. Put the new one in and starts with key but the speed is o...
2011 Chevrolet Express 1500 LS 5.3L Spark knock VIN: 1GCSGAF40B
GM techs I could use your help. The van came in with complaint of noise under load. Vehicle was cold when I started testing and had no noise. At about 160 degrees I could get small spark knock while brake torquing. As it heated up it got a lot worse and I noti...
1997 Chrysler Concorde LX 3.5L Misfire, Poor Fuel Economy, MIL Lamp on VIN: 2C3HD56F6V
thanks in advance this concord came in with a water pump pouring tour down and found motor block craked got a junk yard motor and put it in now it has a miss idle under load and driving st and lg term fuel adapt 24.8% maxed out checked egr apply vacume and mot... Trouble codes: P0171 (system to lean), P0174 (right bank to lean)
1998 Dodge Ram 2500 5.9L Shift Points VIN: 1B7KF2368W
I replaced the transmission in this vehicle and the customer returned it saying it "wasn't shifting right". When I asked what he meant he just kept repeating that it wasn't shifting right. I test drove and datalogged the vehicle several miles and never noticed...
2008 Dodge Ram 2500 SLT 6.7L Transmission VIN: 3D7KS28A08
Lost communication with TCM while at our shop. The TCM is located on right side firewall with a C1 and C4 connector. Not on left end of dash like Shopkey says. The wire schematics don't match the module on the vehicle at all. Wanting to perform circuit tests b...
1999 Ford F-250 Super Duty Lariat 6.8L Coolant VIN: 1FTNX21S0X
Hello wonderful IATN and people, I have this 99 F250 pick-up that pushes water into the oil continuously. It does not get oil into the water ever. This is the original complaint and we have not been able to fix this thing. We have replaced the head gaskets, (w...
2000 Ford Mustang 3.8L Stall VIN: 1FAFP4045Y
need help ford experts on this electronic returnless fuel system. customer says engine intermittently almost stalls at times. has a code for lean on oxygen sensor. was about to sell a b1s1 oxygen sensor but I tested fuel pressure and on my gauge at idle is 30p... Trouble codes: P1131
2003 Ford Windstar LX 3.8L Transmission VIN: 2FMZA51413
I have not been able to duplicate concern but customer states this Windstar has a delayed engagement/transmission slip cold, getting worse as the weather gets colder. No codes test drive OK, checked direct hit info no TSB's. Any info on known issues or what to...
2008 Ford E-350 Super Duty 5.4L memory steer VIN: 1FTSS34L48
hi everyone I have been working on this car for a couple days and have not been able to solve this issue. the van originally came in with the memory steer problem I am the second mechanic to work on it a fellow employee had already replaced the gearbox for thi...
2011 Ford F-350 Super Duty King Ranch 6.7L oil in coolant VIN: 1FT8W3BT2B
Vehicle came in with oil in coolant. At least six quarts oil transferred into cooling system. Removed oil cooler as normal cause of this condition. Pressure test oil cooler off vehicle and not leakage between oil ports to coolant ports or coolant ports to oil ...
2008 GMC Acadia SLE 3.6L Unknown VIN: 1GKER13738
got this Acadia in that boss recharged about a week ago.Front pannal discharge in middle duck wont go below 60f rear will go down to around 45f too outside vents near doors blow warm.evacd system pulld vaccume recharged with 2.32lbs of refrig r134a,still same ...
2009 Hyundai Sonata GLS 2.4L MIL Lamp on VIN: 5NPET46C29
hi all i have a 09 sonata that keeps tripping p0106 and p0132 codes we have not been able to duplicate the problem at the shop, customer says car will run very rough and chug then light comes on but this only has happened when customer has car scan data shows ... Trouble codes: P0106, P0132
2004 Kia Sorento EX 3.5L Steering gear VIN: KNDJD73394
Car came in with power steering leaks. We found the high pressure hose leaking and some fluid in the boots. Replaced rack wit Maval rack from W/Pac and replaced with OE hose. Now when the car is first starts everything works great but after driving for about 1...
2000 Mazda Protege DX 1.6L wheel bearing
Months back, customer came in explaining that he had previously installed L/F wheel bearing,now it is noisy and loose. We have done the second and third wheel bearing. This will be the fourth, scheduled for later in week. The second had came loose? and we over...
2008 Mazda MX-5 Miata SV 2.0L Preignition VIN: JM1NC25F18
Mazda techs, I have a 2008 Miata 2.0 that under snap throttle or under load has a spark knock. Vehicle came in with an overheating issue caused by a faulty head gasket, we replaced the head gasket aligned the timing with crank shaft holding tool and cam shaft ...
1995 Mercedes-Benz C220 2.2L Surge, VIN: WDBHA22EXS
Vehicle belongs to an older woman who keeps car well maintained. Vehicle will intermittently exhibit loss of power while cruising or under acceleration. Feels like vehicle is starving of fuel. I replaced fuel filter could not blow through it at all. Thought I ...
2004 Mitsubishi Endeavor Limited 3.8L Install VIN: 4A4MN41S34
Putting this back together and the mechanic who took it apart is not around right now. Trying to figure the wire routing for the crank sensor.we see where the lower mounting hole is but can not figure the upper or which way it goes around the water pump. Simpl...
1976 Nissan 280Z 2.8L Cuts out VIN: HLS3028259
I'm looking for insight from anyone with past experience with the z cars as I am having difficulity finding good tests and specs for this car. Car returns after stitting 4 years with the same problem it was stored with. Vehicle owner is ready to restore it a...
1999 Subaru Legacy L 2.2L No Start VIN: 4S3BK4359X
This car is a crank no start condition. the check engine light does not illuminate and no communication with a scan tool. Power and ground okay at DLC. I replaced the main EFI relay (brown relay under dash drivers side) I have pinned out the ECM I have power, ...
1997 Toyota 4Runner Limited 3.4L theft system VIN: JT3HN87RXV
Anti-theft system randomly goes off at inconvenient hours in middle of night or when sitting in parking lot at work during day. Occurs 2-3 times per week. VERY limited information available through ALLDATA or Identifix on this sytem. Have sent library requests...
2009 Volkswagen Jetta TDI 2.0L MIL Lamp on VIN: 3VWPL71K59
This issue is persistent in the fact that we have done all work related to the repair of this problem. This engine has 2 pressure sensors. One on the back of the engine and one on the shock tower right side. Both of these sensors have been replaced. We also re... Trouble codes: P047B
1996 Volvo 960 2.9L ac VIN: YV1KS9605T
Vehicle came in for no a/c and then replaced hi pressure switch on condenser all appeared ok at time of releasing and came back next day with complaint of flashing a/c lamp and no heat. Pull codes and retrieve 111 and system working ok untill move left dial of...

Fixes & Summaries for All Makes and Models
Fix/Summary Answers
2007 BMW 328xi 3.0L driver's door window VIN: WBAWC33557
well,the car is fixed and everyone is happy.before I tell what was wrong I had a couple of thoughts to share with the younger guys and let them know what to look forward to when the years go by. Back in the day a job like this would come in and I woul...
2004 Dodge Ram 2500 SLT 5.9L No Start VIN: 3D7KU28C44
The fix was after removing the integrated power module under the hood, found the wire coming from fuse #20 was corroded / broken. Repaired wire ipc came to life and truck starts and runs fine. Thanks everyone.
2009 Dodge Charger SE 5.7L MIL Lamp on VIN: 2B3KA43TX9
Thank you to everyone that replied, the chain was indeed one tooth off, we reset the chain and all is good, thanks again. Trouble codes: P0016 (crankshaft/camshaft timing misalignment B1S1), P0014 (bank 1 camshaft 2 position target performance).
2007 Ford Fusion SEL 3.0L starting VIN: 3FAHP02177
Hello and thanks for replies. Not conclusive however. The radio seems to be a likely suspect but we feel we ruled it out with draw testing. Also the alternator was mentioned but we ruled it out as well. The customer was going to pursue an aftermarket radio, so...
2005 Jeep Grand Cherokee Limited 5.7L Battery VIN: 1J8HR58295
Thank you for all the replies. Turned out to be a bad SKIM module. It was not letting parts of the CAN go to sleep.
2005 Kia Sedona EX 3.5L cylinder head end caps VIN: KNDUP13195
I found an oil drain hose under the cylinder head under the crankshaft was plugged with debris that I guess was from lack of regular oil changes. anyway cleaned it out and it fired right up. am now finishing the cleanup. gary... written by sam - any mechanica...
2006 Land Rover Range Rover HSE 4.4L Misfire
Replaced intake gasket and helped but still has slight miss at idle .Customer decide to pick it up and bring back later for more diagnostics.
2008 Lexus RX350 3.5L Hesitation VIN: JTJHK31U28
found bad crank sensor,replaced with oem returned to customor and have had no comback or conplaints in passed 3weeks.thanks for the help and information
2005 Mercedes-Benz CL600 5.5L Coolant VIN: WDBPJ76J35
Thank you to all who replied on this vehicle. Customer has taken car and says he will return at a later date for further diagnosis. Appreciate all your help and will let you know what I find should we see this vehicle in the future. Thanks again, Dave
2006 Pontiac Grand Prix 3.8L distance to empty/fuel guage VIN: 2G2WP55216
thanks for all the help everyone this one is fixed for what ever reason I reprogramed the pcm with the same calibration and gas gauge returned to normal and everything is working normally car has been shipped and has been gone for more than a week
2003 Toyota Matrix 1.8L Hesitation, Cuts out, Stall, Dies in Drive VIN: 2T1KR32E63
This was a weird one for me. Checked resistance as per the diagnostic tree and resistances were good. Grabbed my power probe and for the heck of it checked to see what was on the wire both sides disconnected and there was 4.78 volts. So the wire somewhere w... Trouble codes: P0770 (p0773-), P0773.
2008 Toyota RAV4 2.4L Mechanical VIN: JTMBD33V28
HI Joe from Texas hit it on the head Decouple overrun pulley on altenator by removing the belt engine still had vibration but not as bad by replaceing the altenator the vibration was acceptable
1995 Volkswagen EuroVan Camper 2.5L Poor Idle Quality VIN: WV2EE0709S
Well it seems to be time to break out the labscope, and check all inputs to see if pcm is indeed controling the iac. The owner declined any further repairs.Thanks for all your input. Trouble codes: 523 (intake air temp), 519 (map), 758 (secondary air injection).
2006 Volkswagen Golf GTI 1.8T 1.8L Poor Idle Quality, Misfire, lean VIN: 9BWDE61J86
Thanks to everyone for the help...I ended up taking the pcv valve off and found out it was getting stuck intermittently so we replaced it and no more misfires on start up!!! It wasn't good the first start up but after the second one it has been good for a coup... Trouble codes: P0300, P0301, P0302, P0303, P0304, P0171.
2006 Volkswagen Jetta 2.5 2.5L Unknown VIN: 3VWRF71K26
This is a tough one. Believe or not when vibration happen, we jack up the engine, vibration gone & misfire counts gone on scanner. We end up replace the right side engine mount. Customer drove the car for 3 days, no more complaint. We call this one fix, thank ...
2009 Volkswagen Passat Komfort 2.0L engine VIN: WVWJK73C09
thank you all the people out there who cares,got my ass kicked the rear problem was electrical sub harness lower left hand side was not clipped in all the way,got fooled by different spec readings for oil pressure,the oil icon would not light the dashboard unt...
2002 Volvo V70 X/C 2.4L Loss of power VIN: YV1SZ58D62
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