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International Automotive Technicians Network
Prev Professional Automotive Repair Technical Discussions for February 19, 2014
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Open Help Requests for All Makes and Models
Help Request Answers
2002 Acura TL 3.2L Poor Idle Quality, Surge, MIL Lamp on VIN: 19UUA56772
HI every body and thanks in advance for your time and your information. I have in my shop this 2002 Acura 3.2 TL That customer doesn`t provided any information, other then check engine light on and erratic idle, also cuts out around 3000 rpm, acts like revolut... Trouble codes: P1259, P0336 (Ckp sensor 1 range/performance.)
2005 Audi S4 4.2L Poor Idle Quality, Misfire, MIL Lamp on VIN: WAUXL68E85
Hello all. This car was towed into us. P0346 code and all cylinders misfiring. did compression test and found the following results cyl 1 25 lbs cyl 5 60 lbs cyl 2 75 lbs cyl 6 75 lbs cyl 3 40 lbs cyl 7 70 lbs cyl 4 25 lbs cyl 8 85 lbs this is a 4.2 litre v8... Trouble codes: P0346, P0301, P0302, P0303, P0304, P0305
1991 BMW 318i 1.8L Drivers air bag VIN: WBAAJ9312M
we corrected the alignment of the steering wheel now the SRS lite will not reset ... cannot communicate with the SRS control unit. I tried our new launch pad... I tried a older Baum tool # W621300 that is just for that car ... we tried a new Maxi Das and one m...
2001 BMW 320i 2.2L cooling VIN: WBAAZ27201
this is a 2001 318i sedan,has dual fuel system fitted,have current code 279c am using das708 scanner,code says DME output stage thermostate map cooling,cannot find p code for this no,can a bmw tech tell me what this is thanks,
2007 BMW X5 3.0si 3.0L no communication VIN: 5UXFE435X7
I need to know where the aldl gets its power
2009 BMW X5 xDrive48i 4.8L no acceleration VIN: 5UXFE83559
vehicle will go into what feels like fail safe won't accelerate barely moves, happens every 200 miles or so, finally got vehicle to act up and saw two lights on dash (orange triangle with almost full circle arrow most of the way around it, orange brake light, ... Trouble codes: 11757 (2ded), 11570 (2d32), 2CF8, 2DF9, 2CFA, 5F77
1990 Cadillac Allante 4.5L Cuts out VIN: 1G6VS3387L
This old car's engine always stop silently after 5 minnute running. And start is no problem, and stop again after 5 min. E041 code is history code. After erasing the code, it never came back again. I checked hoses, wires, and grounds, but look so good. Please ... Trouble codes: E041 (Cam sensor circuit)
1996 Chevrolet Blazer 4.3L Mechanical VIN: 1GNDT13W2T
i began working on this truck a while back.when it came in it had low fuel pressure.i changed the pump.the problem that i am having is that in the morning after siting overnight.when you turn the switch on the fuel pressure will go to 55 pounds.check battery ....
2001 Chevrolet Suburban 1500 LT 5.3L Hesitation, Misfire, MIL Lamp on VIN: 1GNFK16T21
I have had intermittent problems with this truck for a while now. I have replaced the spark plugs and wires, done a complete fuel injection service, checked for vacuum leaks, checked compression as well as for possible broken tappets. The truck ran well for ab... Trouble codes: P0300 (Random missfire)
2006 Chevrolet Silverado 1500 LT 5.3L engine VIN: 1GCEC14Z56
Hello this truck has a misfire at idle on cylinder #1 and slight miss on cyl #8 at idle if the idle is raised to around 900 rpm the miss goes away looking at the miss on my otc scanner. I removed the valve cover on bank 1 and checked the valve springs looked ...
1998 Dodge Ram 1500 ST 5.2L Won't run O2 htr mon VIN: 3B7HC12Y1W
This truck came in with a P0500 code, no vehicle speed signal. Found a broken wire between the ABS module and PCM. Repaired that wire, now the speedo works, and code does not re-appear. The problem is that the O2 Heater monitor will not run. All the other mon...
2003 Dodge Dakota SLT 4.7L Stall VIN: 1D7HG42N03
Help Dodge Techs!! This Dakota stalls intermittently at stops hot- we have never been able to duplicate concern. The customer states if he slightly taps the throttle when the idle starts to drop it will stabilize and continue to idle normally until he accelera...
2004 Dodge Intrepid ES 3.5L Display VIN: 2B3HD56M54
The desired temp display on the climate control head goes out after engine is started, it will stay on with the key in the run position, but goes blank after engine is started. The system works normal, can set the system to what you want just no temp display, ...
1988 Ford F-150 Custom 4.9L No Start VIN: 1FTDF15Y3J
Has injector pulse but no spark. Unhooked spout, still no spark. Coil has power on both sides and no pulse with test light while cranking.
1991 Ford Ranger Custom 2.3L performance VIN: 1FTCR10A2M
customer complaint is hesitation when hot falls on its face. checked fuel pressure 30 psi. o2 sensor checks bad no swing. leaning towards o2 sensor being the culprit. any suggestions would be helpful.
1999 Ford F-250 Super Duty Lariat 6.8L 2-3 shift VIN: 1FTNX21S6X
Thanks in advance for your help. This is a ranch truck, flat bed, has never seen the pavement, is not even registered. IT HAS 4R100 trans. Vehicle came to me from a friend who owns a transmission shop. He has 30yrs experience. But not internet savy & sends his...
2003 Ford Focus ZTW 2.0L Brake Pedal VIN: 1FAFP36333
hello I have a focus that when the brake pedal is depressed there is a vacuum leak sound heard in the area of the brake pedal.no noise is heard under the hood,only in the car.the brake pedal is very low.i am leaning towards the brake booster but wondering if a...
2004 Ford Taurus SE 3.0L Poor Idle Quality, Cuts out, Stall, Misfire VIN: 1FAHP53U14
Car was severely flooded. I replaced the spark plugs and replaced the oil. Car started right up and ran like a champ. pulled it outside to restart in the cold and that's when the problem occurs. Car will NOT act up unless the ambient temperature is extremely c... Trouble codes: P0300
2006 Ford F-150 XLT 4.6L engine VIN: 1FTRX14W86
Thanks ahead of time for taking time out for your input. This F-150 had an engine light on according to the customer it then started bucking then died. the codes are for the fuel rail sensor and all the injector circuits being open. I have no fuel obviously, a...
2010 Ford F-150 STX 4.6L Noise VIN: 1FTMF1EWXA
Customer brought truck in complaining that while cruising on the freeway, the engine suddenly developed a tapping noise. We verified that the noise was present at all engine speeds off idle, in park, neutral and in gear. We disconnected coil wires one at a tim...
2000 GMC Jimmy Diamond Edition 4.3L blower /headlights VIN: 1GKDT13W5Y
jimmy runs fine, no gas gauge, battery light on but charging ok abs light on , air bag light on blower motor runs with key off somtimes,secrity light on blinking but somtimes on stedy canot communication with all module,s all fuse,s ck good unpluged bcm stll s...
2004 Honda Accord LX 3.0L power steering VIN: 1HGCM66394
NEED SOME HELP HONDA GUYS customer brought this in stating original pump bearing problem so he installed reman pump an belt.Ok at highway speed hard to turn in parking lots. So he then replaced pump again,belt again,tensioner and pressure line with same proble...
2006 Honda CR-V LX 2.4L steering VIN: JHLRD68546
Vehicle has a severe torque steer problem. Sitting at a stop, with the steering wheel straight, upon hard acceleration, steering wheel will move 15 degrees to the right and the vehicle will pull right. The harder the acceleration, the harder the pull. Power br...
2002 Jeep Liberty Limited 3.7L engine VIN: 1J4GL58K32
I can drive this car for ten to fifteen miles or more with or without AC on and all at once the temp starts to climb. I removed the thermostat and that seem to delay the time it takes to get hot but it still gets hot. Customer told me after I did the Job that ...
2002 Mercedes-Benz C240 2.6L Poor Idle Quality VIN: WDBRF61J82
unstable idle. poor acceleration. no codes. smoke test no vacuum leaks. dropped front exhaust to check for clogged cats. no difference. fuel pressure ok. spark out of coils. injectors clicking. scan data.cylinder #4,ionic spark current o. cylinder #5a o. 5b sh...
2000 Nissan Xterra SE 3.3L MIL Lamp on VIN: 5N1ED28T6Y
I was curious if any of you Nissan guys have ran into where all o2 sensors have heater fault codes as well as a knock sensor code. All codes return after clearing & 2 starts. I'm looking for comon issues with these before I start to dig into this diagnostic. T... Trouble codes: P0325, P0135, P0141, P0155, P0161
2004 Nissan Xterra XE 3.3L Stall VIN: 5N1ED28T44
This POS came in as a crank no start. The truck originally had 65 psi fuel pressure. I put a new pump in it and pressure jumped to 100 psi. I then put a Nissan fuel pressure regulator, which sucks BTW, and pressure dropped to 35 psi with the engine running. No...
2007 Nissan Altima S 2.5L Hesitation VIN: 1N4AL21E07
Hello to all. This Altima came to us from auction and during recon, we found the transmission had numerous codes. Sent it to the transmission shop and had it repaired. After the vehicle sold, it returned with an intermittant loss of power from a stop with no c...
2004 Pontiac Grand Am GT 3.4L Excessive Emissions, Poor Idle Quality VIN: 1G2NW52E74
Quick question, rich condition on a 2004 Grand Am (3.4). Got the car today half hour before closing put a battery in it and just happened to notice LTFT at -29% - no SES - no codes (YET). Pulled the fuel pressure regulator vacuum line - no change, no signs of...
2006 Pontiac Grand Prix 3.8L MIL Lamp on VIN: 2G2WP55276
Customer came in with CEL on found P0172 and performed basic checks found fuel pressure and volume to be normal all engine data looked normal, ECT was correct and HO2S was switching rapidly and would go low and high when induced. The LTFT however would be -20/... Trouble codes: P0172 (Rich limit reached bank 1)
2008 Porsche Cayenne 3.6L ignition VIN: WP1AA29P38
vehicle was towed in for a no start dim has ignition lock fault flashing ignition switch turns on and I tried to scan but the vehicle will not put out any information my question is ,,, is the immobilizer locked out or is there a repairable fix without se...
2005 Saab 9-3 Aero 2.0L steering VIN: YS3FH49Y95
hello. i need some help on this one.once in a while the steering shakes. it feels like it is computer controlled. thought maybe steering angle problem or wheel speed sensor. thanks
1999 Toyota Tacoma DLX 3.4L Misfire VIN: 4TAWN72N7X
Under load we have a misfire on cyl. 3 and 4 (codes:PO300, PO303, PO304). I have replaced the air filter, fuel filter, and MAF sensor. I have moved the coils and plugs on both cyl. with no change. I have cleaned the throttle body and checked for vacuum leaks a... Trouble codes: P0300, P0303, P0304
2004 Volkswagen Jetta TDI 1.9L Lifter
Vehicle brought in for timing belt service. BEW type engine, with cam actuated injectors. Technician noted that engine seemed louder than normal. Customer stated that he has owned the vehicle for 2 years now and he thinks it always sounded this way. I did find...
1993 Volvo 240 2.3L engine performance VIN: YV1AS8807P
ran fine for about a month or 2 then started having issues. servicing for engine when in shop was: head gasket(was leaking), cap, rotor, plugs, throttle cleaning, flame trap cleaning, new crank sensor, timing belt and front engine seals, air filter, check valv...
2004 Volvo XC90 T6 2.9L MIL Lamp on VIN: YV1CZ91H24
Volvo techs - HELP ! One of our best customers bought this beautiful XC 90 even after we told him we don't work on Volvos. Now we HAVE to fix it for him. He bought the car at a Volvo dealership and has the service records. Most recent record shows that the cy... Trouble codes: 0014 (Exhaust cam timing)

Fixes & Summaries for All Makes and Models
Fix/Summary Answers
2003 Acura MDX Touring 3.5L tranny or differential VIN: 2HNYD18663
The fix was the tranny. I finally took a trip long enough to verify the fix. All of a sudden it started to slip in reverse so I had no choice but to do it. Now the bumping is gone and it shifts much better. While driving under the same conditions as before, t...
2005 Acura TL 3.2L MIL Lamp on VIN: 19UUA65655
Well, i'm going to call this one almost fixed :-) After cleaning the injectors 2 separate times, the trims did come down, not to where i would like them to be but enough to clean smog test and PCM to be in control. While cleaning injectors, one of the AFS se... Trouble codes: P0171 (Lean Bank 1), P0174 (Lean Bank 2).
2008 Audi A6 Quattro 3.2L Excessive Emissions, Poor Idle Quality, Misfire VIN: WAUDH74F78
Responses were thta injectors are common on these vehicles. Suggestions were to scope the incector ground wire using a low amp clamp at the ECM since the wires are not accessable under the hood. This was more than we wanted to attempt so once we pulled the in... Trouble codes: P2006, P119A, P0303, P130A.
1994 Buick Park Avenue 3.8L Poor Idle Quality, Stall, MIL Lamp on VIN: 1G4CW52L4R
Thanks to all who replied. I put a new GM ECM in this vehicle & the codes were gone. I still had a torque converter code that would not go away but the customer was not concerned with that. I replaced the plug wires & fuel filter also. Car ran great. Thanks... Trouble codes: P0321 (p0341-), P0341.
1996 Chevrolet Tahoe LS 5.7L Low Pedal VIN: 1GNEK13R9T
Ok so this one is fixed. We replaced both front calipers and that did not help anything. So I'm a little perplexed as to why the pedal would move/not move when front brake lines were pinched off. Like most of you said there may have been trash in the ABS pu...
2000 Chevrolet Blazer LS 4.3L No Start VIN: 1GNCS13WXY
Hi gang. I really appreciate all the responses to this issue. First thing this morning, I pulled out the RPT distributor and warrantied it out. I discovered when the replacement RPT distributor went back in, the rotor actually advanced just a little bit. I hoo...
2010 Chrysler Sebring Touring 2.7L Blend Door VIN: 1C3CC4FD6A
Heater core was plugged. Replaced it and flushed out the system. Thanks to all who offered information.
2002 Dodge Intrepid SE 2.7L Engine VIN: 2B3HD46R42
Well, this one is going to the dealer. Thanks for all the responses. Ive replaced PCM, I have removed cleaned and checked every connection in relay/fuse under hood panel. Ive checked all grounds and I have checked every plug in connector that I could possibly ...
2005 Dodge Grand Caravan SE 3.3L No Start VIN: 1D4GP24R25
Well this ones fixed, some of you's said that it had to be a wireing issue because of the horn circuit not haveing anything to do with the PCM, and I had to agree, changed the PDC, no difference, again checked power and grounds to PCM, traced wireing from melt...
1995 Ford Ranger Splash 2.3L chime VIN: 1FTCR10A9S
Advised customer of possible bcm customer elected to live with the problem. Most comments rec ignition key switch but the lock cylinder and the clock spring were new and not causing the problem.
2003 Ford Excursion Limited 6.8L Head lights VIN: 1FMNU43S03
Thanks for all the replies. We replaced the headlight switch and had our service writer drive the vehicle for 3 days with no concerns. Returned vehicle to customer and checked back with him 2 weeks later, has no issues or concerns with headlights at this time...
2003 Ford Taurus LX 3.0L Hesitation, Cuts out, Misfire, MIL Lamp on VIN: 1FAFP55283
Hello Friend Thank you all for all the great reply, well this one is gone, after cleaning the MAF and a good tune up, which was real bad the same problem and code come up,i check for fire on the coil #2 cylinder none was there when the engine mess up, after c... Trouble codes: P0316, P0302, P0171, P0174, P1401 (DPFE Circuit to hight Voltage this code came after replacing the DPFE Valve because of a broken Vaccum line in the ValveTune).
2004 Ford Escape XLT 3.0L no crank and fuel pump runs whenever key is on VIN: 1FMYU93174
Doesn't look like I'm going to get to fix this one. Customer doesn't want to spend very much, with the amount of rust on this vehicle. I still can't figure out why I had no scanner communication with with none of the modules except air bag. The pcm and instrum...
2007 Ford F-550 Super Duty Lariat 6.0L No Start VIN: 1FDAF56P87
Finally replaced all 8 injectors and truck ran must of had enough fail to cause a no start condition.
2003 GMC Envoy SLT 4.2L Air suspension VIN: 1GKDT13S33
Thanks for all the replies, we ended up converting to coil springs. One thing we did notice was when we removed the air bags we found a pin hole leak on the very top of the one bags. We checked multiple times for leaks and never found one but as soon as we rem...
2003 GMC C4500 Topkick C4C042 6.6L Cuts out VIN: 1GDE4E1103
IT'S FIXED!!! What had happened was that the truck had been hit in the front and repaired at the body shop. When it was put back together, the kid couldn't see the coolant sensor that is made into the bottom of the coolant tank! He zip tied the "extra" conne... Trouble codes: P0540 (Intakr air temp).
2000 Honda Civic EX 1.6L No Start VIN: 1HGEJ8642Y
Please forgive me for this late closed. the car is fixed the problem was the coil and i recommend to the customer that he should replace the whole dist. so we did and car has been gone for 4 days, and again Thanks to all for your help.
2004 Isuzu Rodeo S 3.5L Poor Idle Quality, Hesitation, MIL Lamp on VIN: 4S2CK58Y44
My customer has decided to just put new converters on it in order to get through the emissions test and sell the car soon. The old converters weren't plugged, The fuel trims were okay on one side ant the other skewed. If customer had the guts to go further, I'... Trouble codes: P0420, P0430.
2004 Jaguar S-Type 3.0L Noise VIN: SAJEA01TX4
Thanks for the replies. I smoke tested the intake manifold but did NOT find any leaks. This issue only appears to happen when the outside temp is below about 10 or 15' and it has been warmer here recently. I did find some staining on the lower intake manifold ...
2002 Jeep Liberty Limited 3.7L engine VIN: 1J8GK58K42
well i got this one fixed. odered replacement balancer and installed vibration is history. old balancer looked just fine and timing mark on new balancer was in same relation to keyway as old balancer but holes drilled in outer ring were off by about 90 degrees...
2002 Nissan Pathfinder SE 3.5L Poor Idle Quality, Stall VIN: JN8DR09Y52
thanks to all for the help .The rebuilt computer was the problem put nissan computer in problem solved . Trouble codes: P0506.
2007 Nissan Versa SL 1.8L No Start, Surge, Cuts out, Stall, Misfire VIN: 3N1BC13E27
Unfortunately, the customer is tired of paying to have the contaminated fuel removed and wants to get rid of it but not onto someone else. Not sure what she plans on doing. Boy I wish we could have come up with the answer to this one! This one will haunt my dr... Trouble codes: P0300.
1996 Oldsmobile Cutlass Supreme 3.1L powersteering pump VIN: 1G3WH12MXT
I just got a new power steering pump and replaced it,now the car is fixed and the door.Thanks to everyone for the advice.see you soon.
2006 Saturn Ion-2 2.2L instrument cluster VIN: 1G8AJ55F46
Thanks to all who replied.After checking all powers and grounds,scaning the bcm and no comunications with the cluster,this problem wound up being a bad cluster.
2006 Toyota Tundra Limited 4.7L Charge Gauge VIN: 5TBDT48126
Thanks to all Who Replied. cleaning the throttle body and learning idle fixed this one. thanks for your time. Ralph [...]
2000 Volkswagen Passat GLS 1.8L Srs VIN: WVWMA23BXY
Thanks to all the tech who reply for SRS help FIX. We did check all the connections at SRS diagram and found loose contact under kick panel,secured and cleared all SRS faults,drove the car for two days and no fault and no SRS light on anymore. Thanks.
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