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International Automotive Technicians Network
Prev Professional Automotive Repair Technical Discussions for April 27, 2015
International Automotive Technicians' Network (iATN) - Members Only
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Open Help Requests for All Makes and Models
Help Request Answers
1991 BMW 318i 1.8L Hesitation, Misfire VIN: WBAAJ9310M
Car was towed into the shop. Car starts good. Idles good, but won't accelerate past 1500 rpm when cold. Pulled code 16. Checked circuits & wiring. While checking the vehicle running, noticed the car started accelerating good when engine was hot! After the engi... Trouble codes: 16 (Camshaft sensor)
2008 BMW X5 4.8i 4.8L A/C system VIN: 5UXFE83598
Customer states whining noise when engine at operating temperature mostly at idle or around 1000 rpm. Road test and verified noise. The noise is not very loud but noticeable. It sound like a bad belt pulley kind of chirping/whining noise. So I remove the alter...
1984 Chevrolet S10 2.8L Transmission VIN: 1GCCS14B7E
We got this vehicle in and it was slipping and grinding when going into gear. We installed a clutch kit and went to drive it and the transmission grinds when going into reverse. We warrantied out a slave and master cylinder that we had installed back in Octobe...
2001 Chevrolet Silverado 2500 HD LS 8.1L No shift
Hey Gents I have a 2001 chevy HD 2500 with a 8.1 liter that was brought to me with a complaint of no shift and delayed engagement of transmission! found the following codes po500, po507, po700, p1336, p1571, u1024 stored. I know the po700 and u1024 are trans ...
2004 Chevrolet Silverado 2500 HD 6.6L Misfire VIN: 1GCHK23194
I installed all eight fuel injectors due to excessive smoke. The truck ran fine just smoked. The truck came back after 1 week with a slight engine miss sometimes at idle. It seems worst when it returns to idle after a snap throttle. I also noticed a slight kno...
2005 Chevrolet Silverado 1500 5.3L air bag light VIN: 1GCEC19Z45
Old customer, new truck. This guy just bought a month ago. Air bag light comes on - may stay on a few minutes or a few days. Goes back off, then repeats itself. Ground wire under drivers bad, cleaned and repaired. No codes, doesn't affect running or anything, ...
2005 Dodge Ram 3500 SLT 5.9L oil pressure VIN: 3D7LS38C25
I have little to no oil pressure after a rebuilt long block was installed. I have gone back in and replaced the oil pump and pick up tube with cummins oem parts. I have removed and replaced the filter adapter gaskets with oem parts. That's the extent of my end...
2007 Dodge Charger 2.7L MIL Lamp on
This one is for you Dodge dealer boys. Got this 07 Charger 2.7 litre that needs new PCM. It came to me running no trans shift. PCM was determined to be the problem. When I went to progam the PCM with my StarMobile I noticed the PCM that was in it was a used un...
2010 Dodge Ram 2500 ST 5.7L Engine VIN: 3D7TT2CT2A
Hardest problem of this carrer. I am a tech of 15 years experience. i made a mistake: drom a magnet in a cylinder when replacing spark plugs. verry big conflict with the boss. It makes me forced to leave my job, but i have to finish this one. Removed the left ...
2002 Ford Mustang 3.8L vibration VIN: 1FAFP40412
Engine has a vibration that comes and goes when engine is not idling. Vibration feels like a driveline vibration, but car is sitting still. The engine mounts and harmonic balancer have been replaced by another shop. Removed transmission mount and lower transmi...
2004 Ford F-150 XLT 4.6L Misfire VIN: 1FTPX02534
Engine has slight misfire at 1500 rpm only when warmed up.miss seems to be less when cam phazers are unpluged.
2005 Ford F-350 Super Duty King Ranch 6.0L No Start VIN: 1FTWW32P25
Wanting to start gaining experience on these 6.0 Powerstrokes, so I have this for my first. Something I noticed almost right away is that someone has left bolts loose and missing from the valve covers, turbo hold down, FICM, EGR cooler, and other places. Truc... Trouble codes: P0404 (EGR Sytem malfunction), P0671 (Cyl 1 glow plug circuit), P2290 (ICP too low), P2291 (ICP too low while cranking), P012F
2008 Ford Expedition Eddie Bauer 5.4L No Start VIN: 1FMFU18538
Truck died them would not restart has spark,and fuel inj. Pulse will be checking compression
1993 GMC K3500 Sierra SLE 6.5L convertor seal VIN: 1GTHK34F1P
Hi all you tranny guys, was gonna bounce this one off you. Recently resealed transmission because customer had engine replaced and wanted transmission "gone through" while it was out. Resealed transmission and reinstalled. Had it come back with losing 4th gear...
2006 Hyundai Accent GLS 1.6L MIL Lamp on VIN: KMHCN45C56
Looking for some insight on this one. This car runs fine, has good power. The only issue is the MIL and code P0068. I have scoped the MAF and TPS together, they are tracking each other normally and there are no drop outs or glitches on either signal. The PCM h... Trouble codes: P0068 (MAF to TPS correlation error)
2000 Jaguar XKR 4.0L No Start VIN: SAJJA42B2Y
Car has sat all winter with float charger on it. Customer tried to start car and it would crank but not start. It was towed in. Car will crank, has great fuel pressure, but no spark. P and N light up on shifter, red wire has power, black has ground, yellow has...
2005 Jaguar XJ8 4.2L timing chains VIN: SAJWA79C25
ok so we replaced the timing chains tensioners and vvt carriers and actuators on this 05 jaguar xj6 with the 4.2 v8 about 5 months ago and it has came back in today with a rattle on start up cold there has only been 3k miles put on car however i did find out t...
2007 Jaguar XJR 4.2L No Start VIN: SAJWA73C87
This Jag only has 25k miles and was the same owner for the past 4 years. The car was running fine but occasionally had these messgaes showing (the Config C is new) a Config C code flashing on the cluster, along with limiter not available, Cannot apply parkbrak...
2010 Mazda 3 S 2.5L RF Tone Wheel VIN: JM1BL1S6XA
This car is flagging a C0033 RF Tone wheel. Code description says "This sensor is a Hall-Effect type switch that measures vehicle speed by measuring a RELUCTOR WHEEL located at each wheel." I do not see a reluctor wheel or a tone wheel. Believe this is the typ...
1998 Mercury Grand Marquis LS 4.6L Pats VIN: 2MEFM75WXW
Very intermittent no start on this 98 Grand Marquis. It will only act up after sitting. No start condition. Theft light blinking rapidly, fuel pump running constantly with key on only. If I keep trying it over and over, it will finally start and never act up a...
2005 Mercury Mountaineer 4.0L Misfire, MIL Lamp on VIN: 4M2ZU66E85
hey everyone, got a problem child here. 2005 Mercury mountaineer came in with a P0304(cylinder 4 misfire detected), p0316(engine misfire on start up). Originally came in about 2 weeks ago with these codes. spark plugs look new. Replaced coil pack and wires. Ca... Trouble codes: P0304, P0316
1995 Nissan Sentra 1.6L Mechanical VIN: 1N4AB41D9S
Hi folks, have this Nissan Sentra that the owner said was having a problem starting. He said that the starter would grind sometimes. The way he described the sound was what I thought was the starter grinding on the flywheel, but every time I got into the vehic...
2001 Nissan Maxima GLE 3.0L Surge VIN: JN1CA31D91
Vehicle came in with just a P0505 and idle would not move, ran ok, struggled a little in drive with A/C on. Found IAC shorted, visual inspection showed burnt spot in PCM. Replaced IAC and had PCM repaired. Now all I get is a idle surge, 1500 - 2200 rpm. Do idl... Trouble codes: P0505
2005 Nissan Sentra 1.8L Surge, Cuts out, Stall VIN: 3N1CB51D55
car came in with codes for cam and crank shaft sensors replaced sensors cleared codes starts and idles fine until vehicle warms up then will start to surge also when you start to move the accelerator pedal vehicle will cut out accelerator sensor1 reads .77 vol...
2002 Subaru Impreza WRX 2.0L Hesitation, Cuts out, Misfire VIN: JF1GD29672
Unplugging MAF sensor makes it run normally, tried a known good OEM MAF with no change. It would seem that it still has a bad MAF but a total of three new have been installed with zero change. Trouble codes: P0171 (System lean), P0301 (Cyl 1 misfire), P0302 (Cyl 2 misfire), P0303 (Cyl 3 misfire), P0304 (Cyl 4 misfire)
2009 Subaru Outback 3.0 R Limited 3.0L Misfire, MIL Lamp on VIN: 4S4BP85C29
Car came in with misfire codes only on bank 2, test drove, could not duplicate misfire, no other problems found, cleared codes, came back after a month or so with same codes, removed front plugs on both banks and they are almost new and the correct type, still... Trouble codes: P0302 (Misfire Cylinder 2), P0304 (Misfire Cylinder 4), P0306 (Misfire Cylinder 6)
2003 Toyota Camry SE 2.4L MIL Lamp on VIN: 4T1BE32K13
vehicle came in with replacement 02 sensor customer's son had installed. we found copper never seize in the electrical plug. we cleaned connection and cleared codes. code returned after several days of driving. replaced o2 sensor with cali emissions o2. we cal... Trouble codes: P0031
2011 Toyota RAV4 2.5L front brakes VIN: 2T3BF4DV1B
this one makes a lot noise when releasing pedal with suspension loaded as in stoping on an incline worse when cold
2002 Volkswagen Passat GLX 2.8L MIL Lamp on VIN: WVWRH63B42
Flat ass stuck! i have this 2.8 vw passat that i have replaced both camshaft chains, phasers (dealer) and sensors on this car and i keep getting -25 on bank 2 at idle. I removed the valve cover and checked alignment and all looked good. I set the chains up wit... Trouble codes: 17755 (Camshaft position sensor 2/ engine speed sensor incorrect correlation), P1347 (Camshaft position sensor 2/ engine speed sensor incorrect correlation)
2004 Volkswagen Passat GL 1.8L Vibrates VIN: WVWMD63B74
Hello and HELP! I have this 2004 Passat 1.8 Turbo that has me mystified. It will not set any trouble codes but the thing vibrates at idle and under acceleration like its out of balance. The vehicle has pretty good power under acceleration and pulls pretty goo...
2005 Volkswagen Touareg 4.2L RF Headlamp VIN: WVGZM77L45
Thank you for your time. The right front headlamp assembly on this thing has an intermittent failure. When it has the failure, none of the lights in the fixture work. What I've found is that there's a loose connection where the fixture goes into the connector....
2005 Volkswagen Beetle GLS 1.8L no communication VIN: 3VWCD31Y95
I have no communication with any modules. I have power and grounds at my DLC. On pin seven {the reference wire} I only have .8 volts. I suspected a bad module so I tried unplugging each module and retesting. After unplugging each module I still had no communic...

Fixes & Summaries for All Makes and Models
Fix/Summary Answers
2007 Audi A4 Quattro 2.0L Mechanical VIN: WAUDF78E97
Well... thanks for all the relies. Unanimous verdict is that the rings are bad. The owner is talking to Audi NA to see if they will help him out on the repairs. Meanwhile, I disabled the PCV system and the car has close to 1K miles on it since it left here and...
2009 Audi A4 Quattro 3.2L Parking brake module VIN: WAULK78K89
Thank you all for the helpful replies. Thanks Robert for informing of the parking brake test procedure. It took about 5 tries to perform the test with the snap on verus but eventually got the parking brake motor to extend. Thank you all
2007 BMW 760Li 6.0L Misfire, MIL Lamp on VIN: WBAHN03507
Pressure damper vent valve was defective allowing fuel into the evap purge solenoids,also replaced plugs and 4 coils, cleaned carbon from intake valves. Trouble codes: 0029C, 29CD.
1989 Buick Riviera Luxury 3.8L Cuts out, MIL Lamp on VIN: 1G4EZ11C3K
The vehicle is fixed. I like to send my thanks to Jason from South Carolina, and Rick from Ontario who guide me in the right direction. I removed the ECM to see if I could find any thing burned, and I find none. I reinstall the ECM, start engine, decided to ho...
1997 Chevrolet Monte Carlo LS 3.1L collasped fuel tank VIN: 2G1WW12M8V
YES my car is fixed. the fuel tank sensor causing all my problems. just got done driving it across a couple of counties with data in hand - all readings are great. venting and purging perfectly - luckily I hade several of these sensors in my spair parts bin. g... Trouble codes: P0440.
2004 Chevrolet Aveo 1.6L MIL Lamp on VIN: KL1TD52654
seems like ground wire worked could not find old gound installed new ground from battery to head and battery to body after this was able to reset crankshaft learn checked speedo ring on differential suspect faulty speedo thanks for the help Trouble codes: P0300, P0700, P1781.
2005 Chrysler Sebring Limited 2.7L MIL Lamp on VIN: 1C3EL65RX5
We continued driving the vehicle once the customer dropped off completed registration paperwork as the tags had expired. the problem is still present and I haven't had much time to continue diagnosis of the problem. If the car was actually running this lean, w... Trouble codes: P0171 (System too Lean Bank 1), P0174 (System too Lean Bank 2).
1992 Dodge Dakota 3.9L Poor Idle Quality, Hesitation, Stall VIN: 1B7GG26X7N
thank you all for your responses and info. sorry i had been working this inbetween as there wasnt a huge rush on this, but i got back on it this weekend.as i said before timing appeared to be close and another shop had replaced the distributer.after reading yo...
2001 Ford Explorer Sport Trac 4.0L Poor Idle Quality, Misfire, MIL Lamp on VIN: 1FMZU77E51
2003 Jaguar S-Type 3.0L Unknown VIN: SAJEA01TX3
The chiming as some said is due to the airbag system which is setting 3 different codes one of which is saying there is no bulb in the dash. The clunk is from the recirculation door...haven't gone in to determine what needs to be done.
2006 Jeep Commander Limited 4.7L Final Drive Module VIN: 1J8HG58N96
Thanks for the help. It turned out that the FDM corroded internally. I located the FDM under the driver's side rear seat and found the terminals to be corroded right at the point they exit the module case. I attempted to clean both connector and Module but the...
2004 Lincoln Town Car Ultimate 4.6L monitors won't run VIN: 1LNHM83W94
Checked the DPFE PID as Timothy mentioned and it was stuck @ .012 so I replaced the EGR module and 20 minutes later the monitor set and the inspection was complete. Thanks to all. Seth
1998 Mercury Grand Marquis LS 4.6L No Start VIN: 2MEFM75WXW
thanks for all the help but I still did not figure out that one its too random and the customer don't want to spend any more money so its standby for now thanks again
2009 Mini Cooper S 1.6L Stall, Misfire, Hard Start after sit VIN: WMWMF73539
Thanks to all who replied. The fix was to replace the high pressure fuel pump located on the end of the cylinder head. I was reading pressure coming into it, but had no way to test output pressure.
2007 Nissan Armada SE 5.6L MIL Lamp on VIN: 5N1AA08C37
This one is fix.After reciving all the replies we went back and Ck the timing again and found it was off one tooth so we went and get a new chain and put the new and the old chain side by side and notice the chain stretch like 1\4inc we install the new chain a... Trouble codes: P0335 (Crankshaft Position Sensor Circuit).
2006 Pontiac Solstice 2.4L high idle VIN: 1G2MB33B16
Tried to road-test vehicle, and it continued to set the DTC which after reprogramming the vehicle didn't come on. But the MAF code kept popping up and after reprogramming vehicle also replaced the MAF connector and the MAF sensor and the vehicle had no codes a... Trouble codes: P0122 (Throttle Position Sensor 1 circuit low voltage), P0223 (Throttle Position Sensor 2 circuit high voltage).
1966 Rolls Royce Silver Shadow 6.2L Excessive Emissions, Poor Idle Quality
Well I need to close this help request due to IATN time limit. I decided not to touch the carbs on this thing. The answers and help I obtained from others is that this carbs are really a specialty item. I have worked on many carbs but nothing like this. The ve...
2006 Saab 9-3 2.0T 2.0L Surge, Misfire VIN: YS3FD49Y16
At this point customer has picked the car up and not brought it back. I have not been able to verify the baro reading at KOEO because I don't have the car here. If and when I do I will post my results. Thank you all for taking the time to respond to my request...
2004 Toyota Sienna LE 3.3L brakes VIN: 5TDZA23C84
Removed wheel, Removed wheel speed sensors and found wheel speed sesnsors gunked up with metal. Cleaned off and ran continuity check at connection. Continuity within normal range. Checked that wheel speed sensors were measuring wheel speed when turning the whe...
2002 Volkswagen Jetta GLI 2.8L MIL Lamp on VIN: 3VWVH69M92
thank every one I am sending this vehicle to the dealer, thank for all the replies
2000 Volvo V70 2.4L Exterior lights VIN: YV1LW61J8Y
I'm calling this a fix. The car has not once kept any lights on after key is removed since replacing the 4-way flasher switch. I have no idea how a defective switch could have caused the problem. Any ideas appreciated. Thanks to all who responded.
2004 Volvo V40 LSE 1.9L vvt cam actuator VIN: YV1VW27544
thanks everyone that replied. ordered tool kit on amazon $97 delivered in two days worked perfect.
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