Join Now
International Automotive Technicians Network
Prev Professional Automotive Repair Technical Discussions for March 21, 2013
International Automotive Technicians' Network (iATN) - Members Only
Next
(Also Available: All, Asian, Chrysler, European, Ford, GM.)
Vehicle Owners: If you are seeking an automotive repair professional to service your vehicle, visit the iATN Repair Shop Finder.

Open Help Requests for All Makes and Models
Help Request Answers
1999 Acura TL 3.2L 1-2,2-3 flare neutral out VIN: 19UUA5648X
Somebody please help. This 99 3.2TL is at a transmission shop and has been for several months. I'm an electrical guy and they called me in because after rebuilding this unit several times and replacing it with used units twice, the thing has a variety of sympt...
View
2000 BMW 328Ci 2.8L fuel trim VIN: WBABM5344Y
Hello BMW Techs we did all the repairs as described above, cleared the codes and drove the car for 35 miles, then check for codes and the P 1189 code returned but did not turn the check engine light. I would like to know if I'm missing something on my diagnost... Trouble codes: P, 1189 (Fuel trim bank 2 exceeded)
View
2003 BMW 745Li 4.4L Poor Idle Quality, Misfire, MIL Lamp on
Hi everyone, I have this bmw 745li with 237k miles! It has a misfire on cylinder 4. It has new spark plugs and coils, which cured misfires on 2 other cylinders, but cylinder 4 misfire remains. I have swapped the injector with the adjacent cylinder and the miss...
View
2005 Buick LeSabre Limited 3.8L fuse 29 undrseat fusebox VIN: 1G4HR54K15
fuse 29 in usfb (15 amp ign switch)blows while driving down the road happened twice in 2 day seperation customer doesn't notice anything until realizes car is dead - ive checked wiring to ign switch, dim, rim, rcdlm, and even abs mod. cant find any bad spots d...
View
2007 Cadillac DTS L 4.6L Air Ride Level VIN: 1GEEH06Y67
This Caddi is a funeral coach - the air ride suspension is only on the rear & we do not have a wiring diagram that shows the air pressure sensor circuit in it. this car will cycle the air out of the rear when car is shut off. it will not raise the car when sta...
View
2006 Chevrolet C5500 Kodiak C5C042 6.6L Over revving VIN: 1GBE5C1206
While checking for the turbo position codes, the engine started over revving and bent push rods and broke rockers. The tech was using some cleaner to clean some carbon but was very slight amount. At the time we were assuming the cleaner did it. After repairing... Trouble codes: P003A, P2563 (boost control position sensor performance), P0565 (Cruise control switch circuit)
View
2006 Chevrolet Silverado 3500 LT 6.6L MIL Lamp on VIN: 1GCHK39D16
We have a "06 duramax vin code "d" lbz that we installed new head gaskets and cleaned the turbo unison ring. Since then, the turbo will not learn position. It will set a code p003a. We have removed the valve from the turbo and confirmed full range of motion of... Trouble codes: P003A
View
2006 Chevrolet Trailblazer LT 4.2L gauges VIN: 1GNDT13S96
the customer stated the door remote quit working,windows and locks also quit.now engine will not crank over and radio is off.ocasionaly radio will come on and starter will crank,engine will start.when running all gauges are down and bat light on.has a new ign ...
View
2008 Chrysler PT Cruiser LX 2.4L Wcm VIN: 3A8FY48B98
Hello techs! Here's a fun one for you Mopar guys, 08 PT at a shop where they changed out the WCM. I arrive to program it to the vehicle and after putting in the correct pin number I see it say "transferring secret key" for about a half second and then a messag...
View
2001 Dodge Intrepid SE 3.2L Right inner CV joint VIN: 2B3AD56J31
This vehicle was involved in an accident on the right front side which broke the knuckle, strut, pulled the axle apart, bent the sub frame and inner tie rod. I was unable to remove the inner CV joint housing from the transmission. I tried to pry it out, air ha...
View
2003 Dodge Ram 2500 Truck 5.9L four wheel drive VIN: 3D7KU28CX3
the service 4x4 light blinks all the time in four wheel drive. the four wheel drive works fine.it has a code p0839 4wd mode sensor high.i don't have the proper information,the flow chart is confusing and the wiring diagrams are terrible.i tried an encoder moto...
View
2005 Dodge Ram 1500 Truck ST 5.7L transfer case VIN: 1D7HU18D35
Vehicle here from insurance company. Do not know complete history except truck was in accident and part of the repair was a l/f axle and a transfer case. Truck was brought in here in oct 12 for transfer case issue. All we found wrong was the l/f axle installat...
View
2006 Dodge Charger R/T 5.7L Transmission Fluid Check VIN: 2B3KA53H16
We need to know where to get a stick to check the fluid and/or an alternative method. Thanks, Jack [...] Advanced Engine Exchange www.advancedengineX.com
View
2006 Dodge Stratus SXT 2.4L MIL Lamp on VIN: 1B3EL46X06
We have this 06 Dodge Stratus, the Mil comes on with dtc P0128, we replaced the t/stat, code came back about a week later, replaced heater core due to slight restriction, poor heat, and flushed the cooling system, light came back on about 2 weeks later. The co... Trouble codes: P0128 (coolant temp too low for closed loop)
View
2009 Dodge Grand Caravan SE 3.3L Transmission VIN: 2D8HN44E19
Hi techs: we have this 2009 dodge caravan with a four speed transmission. The problem we are having is that while driving in town or on the highway the transmission downshifts on its own, you could be doing 110kms and hour and it will go in to 2nd gear and you...
View
2009 Dodge Ram 3500 Truck SXT 6.7L 4th-5th-6th gears VIN: 3D7MX49L49
This one came from a transmission shop that is owned by a good friend of mine-best tranny man in town, we help each other out all the time. He sends things my way when it looks like harness or computer problems. But this 68rfe does not make any sense. This thi...
View
2000 Ford F-150 4.6L No Start VIN: 1FTRX18WXY
Vehicle came from another shop, thay replace PCM for no communication to PCM, dash milage goes blank and theft light flashing. After PCM was replaced vehicle ran fine for three weeks. Customer said he hit rail road tracks and vehicle died. Exact symptoms, Othe... Trouble codes: U1262 (SCP data fault on J1850 Bus), U1147 (SCP data fault for vehicle security)
View
2000 Ford Expedition XLT 5.4L Poor Idle Quality, Hesitation VIN: 1FMPU16L7Y
having code po174 and po156, both relating to bank 2. ive checked for vacuum leaks with a smoke machine, i also removed the elbow behind the iac to look visually for a cracked line. cannot seeem to find any vacuum leaks. Trouble codes: P0174, P0156
View
2005 Ford Taurus SE 3.0L Poor Idle Quality, Misfire VIN: 1FAFP53U55
This car is making me go gray quickly! We initially got this car in our shop around 63,000 miles. We did a full tune up (plugs, wires, and fuel filter) as well as intake gaskets. I don't have what the codes were then, but I would assume lean and misfire. That ... Trouble codes: P0300 (Random cylinder misfire), P0316 (Misfire detected on startup)
View
2006 Ford Crown Victoria LX 4.6L Surge, jerking VIN: 2FDFP74W46
Hey guys. Thanks in advance. I have this car in here for a very intermittent "jerking" while cruising at highway speeds. I know these 4.6L have a problem with COP so I scoped all 8 and didn't see anything wrong. All burning within 1.3 - 1.8 ms. I have not ha...
View
2007 Ford Focus SES 2.0L Power steering VIN: 1FAHP31NX7
Customer brought car in complaining of power steering not working. Found p.s.fluid leaking from the resivour cap. We replaced the power steering pump and the problem continued. We found some posts about replacing the resivour under a TSB from Ford, so we repla...
View
2010 Ford Fusion Sport 3.5L no fluid to lf VIN: FAHP0KC8AR
Please any ideas I'm stumped
View
2001 GMC Yukon XL 1500 Denali 6.0L Mil VIN: 1GKFK66U11
Truck came in with the complaint of dying at signal lights. I noticed that the "Check Engine" light would be on when I turned the key on and would be off when running, but when I stopped the truck and turned the key back on, no "Check Engine" light. I plugged ...
View
2006 GMC Envoy Denali 5.3L Misfire
hello everybody a little help please before i go any further 2006 5.3 gmc envoy misfire cyl 1 installed compression gauge and cranked over first pulse it read 110psi released pressure and tried again got a reading of 0psi removed valve cover to observe no loos... Trouble codes: P0301
View
2007 GMC Yukon XL 1500 SLE 5.3L rear lift gate VIN: 1GKFK16377
The rear lift gate will not open on this vehicle. There is no power at the fuse. If i supply 12 volts at the fuse it will open. What is causing no power to the fuse? Also the rear doors will not unlock with remote. Fronts will. Not sure if the two are related ...
View
2010 Honda Civic LX 1.8L Tpms VIN: 2HGFA1F58A
Vehicle came in with TPMS light on. Had 4 codes, for low pressure and 38-1(tire numb 4 press sensor signal failure). We replaced tires and sensor number 4. We verified which sensor was numb. 4 by matching number with scanner id.After replacement we relearned s...
View
1997 Jeep Grand Cherokee Limited 5.2L No Start, Stall VIN: 1J4GZ78Y3V
After installing complete exhaust system, customer drove vehicle for 130km and brought vehicle back stating that it had slowly lost power then shut down and would not restart until cooled down. test drove vehicle, could not recreate problem but noticed that CA...
View
1999 Land Rover Range Rover SE 4.0L Air Suspension VIN: SALPV1242X
Hello, we have this 99 Range Rover which is sitting on the bumpers. Neither of my scan tools will help, and nodata hasn't been much help either. We repaired the RR air tube, which had a big hole in it. I can disconnect the tubes from the control unit and apply...
View
2004 Lexus RX330 3.3L check engine light VIN: JTJGA31U94
After replacing belt I drove the car 40 plus miles and it ran like a champ,but as soon as the customer gets in to leave of course a check engine light comes on.Pulled back into shop immediately and pulled codes P0016 and p0018. Camshaft correlation bank1 senso...
View
2003 Mazda 6 S 3.0L Poor Idle Quality, Surge, Cuts out, Misfire, MIL Lamp on VIN: 1YVHP80D53
Hello and thank you in advance. Basically im trying to ignore and inevitable here and hopefully understand what went wrong. I just replaced the cylinder heads on this engine (my first set)and now i have a terrible idle quality and low vacuum. everything points... Trouble codes: P0340, P0345
View
1990 Mercedes-Benz 500SL 5.0L directional lights VIN: WDBFA66E4L
If the directional (combi) switch is turned on directionals are inop, if you turn on the parking lights or the head lights the directionals will work, IF you briefly turn on or off the hazard lights, the directionals will also work - New combi switch and new...
View
1996 Mercedes-Benz S320 SWB 3.2L automatic transmission VIN: WDBGA32E5T
The transmission goes into gear & moves normally for 20 feet then it feels like it is in neutral & won't move foreward or backward, If i turn off the ignition & then restart the car it will go into gear again until it goes about 20 feet & then neutral !
View
1996 Mercedes-Benz S320 SWB 3.2L automatic transmission VIN: WDBGA32E5T
The transmission goes into gear & moves normally for 20 feet then it feels like it is in neutral & won't move foreward or backward, If i turn off the ignition & then restart the car it will go into gear again until it goes about 20 feet & then neutral !
View
2001 Mercedes-Benz ML320 3.2L abs, esp VIN: 4JGAB54EX1
We have a 2001 ML320, that has a chronic C1025 stop lamp switch fault code. The client will at random times have the bas/esp warning lights come on. The fault code is always C1025 for a stop lamp switch circuit. We have fixed many of these with stop lamp switc...
View
1990 Nissan 300ZX 2 2 3.0L No Reverse VIN: JN1RZ24A9L
okay guys I got this 1990 Nissan 300 zx none Turbo automatic transmission.I got this transmission replaced 5 to 6 months ago.. with the used unit. the car was driven less than 1800 miles. now is back with no reverse. all forward gears are okay but no reverse. ...
View
2005 Nissan Frontier LE 4.0L Coolant temp VIN: 1N6AD07W75
Greetings and TIA. Customer requested thermostat replacement, which we did - NAPA 180 OE spec. Vehicle still does not come up to temp. Currently 28f ambient. Coolant temp on scan tool 152f after idling 30 minutes. Coolant level is fine. Coolant temp guage is l...
View
2008 Pontiac G6 GT 3.9L forward gears VIN: 1G2ZH36158
Customer brought me his car says pulled up to a stop sign and car would not move unless he puts shifter in manual mode car drives fine in manual mode has good reverse. no forward gears if in drive. think I have electrical problem not sure. one other guy on her...
View
1989 Toyota Pickup DLX 2.4L Surge, Poor Fuel Economy, low power VIN: JT4RN01PXK
Vehicle idles normal,19"vacume, under regular acceleraion it lags back until 3/4 throttle then acts like mass air sensor door swings open and gives more fuel. Tested mass air,installed used sensor,installed reman sensor-no change. Checked fuel pressure while d...
View
1998 Toyota Corolla CE 1.8L MIL Lamp on VIN: 2T1BR18EXW
This car consistantly sets a P0171 after a day of driving. There are no drivability symptoms but the long term fuel trim at idle is around 18.8 and while driving it will go as high as 29. We have checked it for vacuum and air leaks and found none warm or cold.... Trouble codes: P0171 (Bank 1 too lean)
View
2001 Toyota Sienna LE 3.0L Unwarranted ABS activation VIN: 4T3ZF13C41
Thanks for the read & advice in advance! During medium to hard braking conditions the ABS has unwarranted activation @ speeds above 10 mph. During light brake conditions it brakes normal. I am unable to get scan data for the sensors or ABS itself. I'm looking ...
View
2007 Toyota Camry XLE 2.4L MIL Lamp on VIN: 4T1BE46K87
Harness from ECU to sensor has been ohmed out and is perfect. No other symptoms, ie, engine misfire or stumble. Freeze frame data shows that code sets at under 20 mph at full operating temp. Hard acceleration to 5K rpms shows no problem and does not set a code... Trouble codes: P0335 (Crank Postion Sensor A circuit)
View
2004 Volkswagen Beetle GLS 1.9L all VIN: 3VWCR31C84
thanks in advance to all, dont shift properly and feels like it is in 2 gears at same time p0756 is solenoid #2 open or short to ground,p01707 is interferance in mechtronic control module, harness is in good condition out side the trans, has any one seen this...
View
2004 Volkswagen Jetta TDI 1.9L no start VIN: WVWSR61J54
Customer stated they wanted the timing belt replaced because of the mileage. Also wanted some catch up maintance. (oil change,fuel filter,coolant flush.) removed timing belt, and cam gear, crank gear, to replace seals. I did use the propper tools to hold the c...
View
2006 Volkswagen GTI 2.0L MIL Lamp on VIN: WVWFV71KX6
Vw tech, please help. Car came in 3 times in last 6 months. Customer complant hard [...] fuel up gas, nozzle just keep clicking plus check engine light on with a p0441. Everytime we remove the purge valve and fuel will leak out all over the place. We replace purg... Trouble codes: P0441 (Evap emission control system incorrect flow)
View
2000 Volvo S80 2.9 2.9L No Start, Misfire, MIL Lamp on VIN: YV1TS94D4Y
Customer did not operate vehicle for 3 months. Vehicle just gets started and let run for 30 minutes once a week to keep the battery going. Car was towed into our shop. Vehicle started but ran extremely rough and dies out. Vehicle would barely want to restart a...
View
2001 Volvo V70 X/C 2.4L Engine VIN: YV1SZ58D31
Drove 3 miles last night, stopped at traffic light and steam rolled out from under the hood. Engine was extremely hot and temp gauge on dash read all the way cold. Let it sit for for 45 minutes and added water to the coolant reservoir and the coolant seemed to...
View
2005 Volvo S80 2.5T 2.5L abs VIN: YV1TS59205
This is the later model brake control module, not like the older ones with a high failure rate. The car has the ABS light on. Scanned code BCM-0070 with my CS2000 tool, it is for "Power supply for pump motor-Faulty signal". I do not have VIDA, but I would like...
View

Fixes & Summaries for All Makes and Models
Fix/Summary Answers
2008 Audi A4 Quattro 2.0L Poor Idle Quality, Hesitation, Surge VIN: WAUDF78E68
Hello everyone: Thanks for all the replies. this is a common issue on the 2.0 FSI engines, so common there is a warranty from audi. The surge and poor idle is caused by the crank breather valve failure, as all the replies suggested. Some techs also recommende... Trouble codes: 16891 (Idle air control system rev/min higher than expected), 18619 (system lean at idle), 18711 (intake air leak).
9
2001 BMW 325Ci 2.5L convertible top
Many thanks to Robert, Chuck, Dave and especially Robert from California for the extra effort. I'm not a BMW guy, and always run from convertible top problems as a rule. So put the two together and I'm outta here! This car belongs to a used car lot and I was ...
4
2003 BMW 325i 2.5L noise VIN: WBAAZ334X3
We found this to be the converter clutch. we drained the transmission fluid and used an additive as recommended by ZF, and as the car was driven the problem got better and better and the additive worked it's way through the system - thanks for the help
4
2005 BMW X5 3.0i 3.0L comp VIN: 5UXFA13585
All replies said an inop cooling fan will keep the ac from coming on. The cooling fan is bad. Customer undecided about repairing. I will repost if he decides to fix it. Thanks
8
2004 Chevrolet Silverado 3500 6.6L cooling system VIN: 1GCJC33124
thanx for all the replys. i removed and dissassembled the oil cooler and found a spot on one of the gaskets that appeared to be leaking. i dont know why it smelled like diesel fuel but after some disassembley i found that it would be very unlikley to get fuel ...
14
2001 Chrysler PT Cruiser 2.4L No Start, Cuts out, Stall VIN: 3C8FY4BB71
Most replies asked me to take a closer look at the pcm connector, but they must have missed in my post that i said i had cleaned the connector and wiggled the harness with no change. Because when i last looked at this car there was no problem i decided to reas...
4
2004 Dodge Ram 1500 Truck ST 5.7L starter / ignition/ lighting VIN: 1D7HA16D54
After waiting several days to receive a new fuse/relay box from the dealer, we installed it and that fixed all the lighting issues with this truck. Thanks guys for all your help.
5
1993 Ford Mustang LX 5.0L Surge, Cuts out, Stall VIN: 1FACP40E5P
Sorry everyone, I couldnt get this guy to bring it over to hook up the scope and breakout box. I know we would have found some kind of harness/connection problem since he has shot gunned every other part under the hood. But his response was "I'll just jerk it ...
24
1997 Ford Windstar 3.0L No Start, VIN: 2FMDA51U8V
After changing the fuel filter that was partially clogged and cleaning the t-body/IAC van hasn't had symptoms of a no start. Thanks for the help
7
2002 Ford F-550 Super Duty XL 7.3L MIL Lamp on, no start hot VIN: 1FDAF57F52
Fix for this vehicle was to replace the High pressure pump, intermittently this was loosing pressure hot, problem was by the time hoses were removed and test fittings were installed on the previous testing the pressure was there, cold i would see 2100 lbs comi... Trouble codes: P1211 (ICP below/above desired pressure).
8
2007 Ford Mustang GT 4.6L MIL Lamp on VIN: 1ZVFT82H27
First off thanks to everyone that replied. The fix ended up being a computer reflash by Roush. Apparently it is a know problem and once we reinstalled the computer the check engine light stayed off and the monitors set. HOWEVER...the readings were still the sa... Trouble codes: P0171.
13
2008 Ford E-350 Super Duty 5.4L Misfire, MIL Lamp on VIN: 1FTSE34L08
Thanks to all of you for your input. We swapped the ignition coil to cylinder #4 (after #5 in firing order) and the vehicle runs and drives good. No DTC's. You can hear some timing chain slap so I'm sure that the timing chain is stretched causing the incorrect... Trouble codes: P0305 (Misfire Cylinder 5).
20
2004 GMC Canyon SLE 3.5L MIL Lamp on VIN: 1GTDT19644
Ended up being a glitchy MAF sensor,just happened to catch it,grams went from 6+ to low 4s,when it went to the low 4s...long term dropped to +3. Thank you all who replied :-) Jim
6
1996 Honda Civic EX 1.6L headlights VIN: 1HGEJ8148T
thanks for everyone with all the help, i changed the alternator and cleaned the ELD with electric cleaner and it fixed my issue, i initially tested the voltage on the alternator with no lights on or any major electrical thing on,soon tested my alternator with ...
20
2010 Infiniti G37 X 3.7L Noise VIN: JN1CV6ARXA
Thank You for all the help the dealer cleaned the injectors under warranty and said the problem was carbon come to find out the vehilce was a rental and I am sure not maintained right.
5
2009 Jaguar XJ8 L 4.2L readiness moniters VIN: SAJWA79B49
Steven got it coasting for 30 sec was the fix I needed but it sure did upset the drivers behind me .Thanks to everyone that took the time to send help
5
1996 Jeep Cherokee Classic 4.0L Starter VIN: 1J4FJ68S3T
It was the yellow wire going to the starter from the key. It was spliced into by the alarm installer. We also spent a lot of time ridding this old jeep of this alarm because it had it's tentacles in several other systems as well. Thanks to all who responded.
9
2001 Kia Optima SE 2.4L Hesitation VIN: KNAGD12611
i had couple of problems. first i was chasing a po171 lean exhaust. that turned out to be junk fuel pump. actually i put four pumps before i got right pressue. three after markety. and the one that fixed it came from dealer. then i was still chasing 171. that ...
5
2006 Mini Cooper 1.6L MIL Lamp on, No throttle response VIN: WMWRC33546
THANKS Matthew from Nevada I DID TEST FOR OUTPUT FROM THE DRIVER AND I WAS ABLE TO TO SEND THE COMMAND. SO I REMOVED THE THROTTLE BODY AND OPENED UP THE ELECTRONICS SIDE AND FOUND A BURN SPOT ON THE CIRCUIT BOARD. REPLACED THE TB AND ALL IS GOOD NOW. THANKS EV... Trouble codes: 1617 (Control unit h- bridge driver).
3
2003 Oldsmobile Alero GL 3.4L Starting VIN: 1G3NL12E73
Thank you to all who replied. Your input was greatly appreciated. Patrick, from Illinois, hit the nail right on the head. The AC-BFC fuse was blown. Replaced it and it went from a no-start condition to firing right up. Thanks, Patrick!
12
1985 Saab 900 Turbo 2.0L Noise VIN: YS3AT36L8F
Well the transmission shop did find problems with the torque converter and a bad seal. Was going to replace the flex plate to be safe but that part is no longer available. Once the transmission is back and all is well I will update this post. Thanks to all tha...
9
1986 Subaru XT GL-10 Turbo 1.8L No Start VIN: JF2AX75B2G
this car is fixed. thank you for all your replies, as most said to check grounds. which i did, then i checked them again and found some more under rear seat as Andy from WA stated, but no voltage drop (.012MA). it ended up being #4 injector shorted, yes the...
7
2000 Toyota 4Runner Limited 3.4L MIL Lamp on VIN: JT3GN87R2Y
THANK ALL OF YOU FOR YOUR HELP THE OE CONVERTERS WERE NOT A OPTION AT THIS POINT I BELIEVE THAT THERE IS SOMETHING WRONG WITH TOYOTA'S ECM PROGRAMMING. AFTER LEAVING THE NEW (REAR) O2 SENSOR IN IT HAS BEEN TWO WEEKS AND THE CODE HAS NOT RETURNED. IS IT POSSIBL... Trouble codes: P0420 (Catalyst System Efficiency Below Threshold Bank 1).
26
2001 Toyota Corolla CE 1.8L MIL Lamp on VIN: 2T1BR12E71
Well, we finally got this monkey off our backs (I hope). Basically, I pulled the oil pan and replaced the rod bearings. the oil pressure came up higher and all has been happy so far. Thanks for everyone's input Trouble codes: P1349.
5
2004 Toyota Tacoma 3.4L transfer ase VIN: 5TEWN72N44
Hi Group I called all data support and they did not show labor for r&r the rear cover. The job was really easy. I charged the customer r&r transfer case plus the time it took me 2.5 hr to replace that cover.He is happy.
4
2006 Toyota Tundra SR5 4.7L No Start VIN: 5TBDT44146
Yepp,the tech who did the tbelt tried to do more by doing less.He did not remove cam sensor when installing water pump resulting in pinching wires between backing plate and water pump.Moral of the story remove cam sensor it takes 10 seconds and would have save...
7
Prev (Also Available: All, Asian, Chrysler, European, Ford, GM.) Next