Join Now
International Automotive Technicians Network
Prev Professional Automotive Repair Technical Discussions for February 17, 2012
International Automotive Technicians' Network (iATN) - Members Only
(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
2001 BMW 325i 2.5L MIL Lamp on VIN: WBAAV33461
I do not have a beamer scanner, read the knowledge base for the code it came in with and gave it a try, on the freeway, even after replacing the thermo code comes back after a few miles. sublet to reflash no change. radiator new, cap new, thermo assembly new.]... Trouble codes: P0128 (coolant thermo below reg temp)
2003 BMW 330xi 3.0L Surge, MIL Lamp on VIN: WBAEW53433
Car came in with hesitation and surge on acceleration. Had P0171 and P0174 stored and very high fuel trim values. After clearing adaptations, it runs good. Intake boots are good. Replaced oil separator and related hoses, Variable intake flap, fuel filter and M... Trouble codes: P0171 (B1 Lean), P0174 (B2 Lean)
2008 BMW X3 3.0si 3.0L MIL Lamp on VIN: WBXPC93458
I have this BMW and can not find any good information on mitchell on how to test the system or the components. I did see on the wiring diagram that the leak pump and E-Box fan are in the same system but cant even find any info on where these are located. Sorry... Trouble codes: P2402, 12145 (E-Box fan actuation above threshold)
1995 Buick Park Avenue 3.8L Cooling Systems VIN: 1G4CW52K5S
Hello all, and thanks in advance. As stated this is a regular customer of ours and we have done lower intake and new plenum less than a year ago. Car came back in yesterday with a radiator full of BROWN milkshake. The oil is about 2 quarts low on the dipstick....
1995 Buick Regal Custom 3.1L Cooling system VIN: 2G4WB52M3S
First, thank you for your time, car came in with overheating complaint. When started cold after about 5 minutes it starts blowing anti freeze into the overflow (radiator cap tests good). When we tested for a bad headgasket with hydrocarbon fluid it showed bad ...
1994 Chevrolet S10 Blazer Tahoe 4.3L fuel pressure VIN: 1GNCS13WXR
fuel pressure is fine while running and under load but goes down when the key is off
1996 Chevrolet K2500 Cheyenne 5.7L No Start VIN: 1GCGK24R5T
Customer called in for a tow. truck died. Assumed fuel pump so I took pressure guage with me. Excellent fuel pressure. Truck started so customer started for shop and truck died 100yds down the road. Towed into shop. Ran codes and got PO1345 but decided to chec... Trouble codes: 1345 (cam/crank corelation.)
2000 Chevrolet Monte Carlo SS 3.8L No Start, Stall VIN: 2G1WX12K0Y
i have this monte carlo that dies when you take the gas cap off while it is running we have put a fuel pump from the dealer, maf sensor OE, upper intake, fuel filter and it has no codes in it i have never seen anything like this before wanting to know if any o...
2003 Chevrolet S10 2.2L No Start VIN: 1GCCS14H43
Hello Techs. I need help and advise with the pick up, it acting unused way. The Pick up truck drove in for replace the front brake job and 2 front rotors, after finish the work try to move the vehicle to the parking lot, it start and shut off right away, it wo...
2004 Chevrolet Silverado 3500 LS 6.6L Engine Oil VIN: 1GBJK33114
Just drained the oil on this truck and it was way overfilled. Also very thin looking. I think its got diesel in the oil. Dont know much about these engines. Is this an injector problem or can it be something else?
2005 Chevrolet Uplander LS 3.5L MIL Lamp on VIN: 1GNDX33165
After a few weeks of driving the SES will set 420 as a Catalyst System Low Efficiency. I have checked back preshure (ok) and inspected with frontside of converter with bore scope (no problem). While watching the upstream and downstream O2s together the upstrea... Trouble codes: P0420
2007 Chevrolet Silverado 1500 Classic WT 5.3L MIL Lamp on VIN: 1GCEK19B17
Within 100 km, CEL 0n again, this time with both sensor codes. Is there any known pcm or extended harness issues known with this vehicle? Power is way down but seems to come back intermittently depending on throttle position. Do these codes cause the timing to... Trouble codes: P0327 (p0332-), P0332
2006 Chrysler 300 (Car) 2.7L MIL Lamp on VIN: 2C3KA43R16
Hi; Did an engine swap on a 2006 Chrysler 300. The CEL is illuminated giving me a code of P0052 (O2 SENSOR 2/1 HEATER CIRCUIT HIGH) I am having a difficult time diagnosing this because I cant find a wiring diagram that works for me. I am guessing here, but I... Trouble codes: P0052
1995 Dodge Stratus 2.4L Misfire VIN: 1B3EJ46XXS
I have been driven nuts with this. From what i see its isolated to coil pcm and wires but i know i have to be over looking something if you could help it would be greatly needed thanks christopher Trouble codes: 43 (Ignition coil drive 1)
1997 Dodge Dakota 3.9L Hesitation, VIN: 1B7GL23X6V
when driving and add gas there is a popping like a backfie
1999 Dodge Ram 1500 Truck 3.9L rear axle VIN: 1B7HC16XXX
Hey Techs, Got another Dodge with a mind of its own. We got the 99 RAM 1500 Base pickup truck in with a bad motor. I replaced the engine with a good used unit and she runs great. I rarely work on RWD stuff, since we mainly deal with Imports and Europeans. S...
2001 Dodge Ram 1500 Truck 5.2L Poor Idle Quality VIN: 1B7HC16Y41
towed in no start,plugs gas soaked,1 litre of fuel in oil,dumped oil cleaned plugs engine started but ran rich improved slightly when warmed up,checked sync was at 20 had to pull out distributor set to #1,then was able to set sync to 0 ran perfect,road tested ... Trouble codes: P1391
2005 Dodge Grand Caravan SE 3.3L ABS module VIN: 1D4GP24R45
Hey everyone, Working on a 2005 Dodge Grand Caravan, vehicle was brought in because ABS warning lamp on. Noticed that no other lamps on( brake lamp, trac lamp). Scanned ABS module for codes and found no codes stored or active!, Checked wiring for damage or cor...
2006 Dodge Charger R/T 5.7L Misfire VIN: 2B3KA53H26
Help would be appreciated guys. I have one getting the best of me right now. The upstream 02 on bank 1 is stuck high so computer is leaning that bank out excessively causing misfires across the board. Voltage readings on scan tool are the same with it plugged ... Trouble codes: P0032, P0300
1979 Ford F-350 Ranger 7.5L wiper motor VIN: X35JKEE310
Hello there I have this old pick-up here and the cust said the wiper motor stopped working. He brought the truck and a new wiper motor to me and asked for me to put it in. I did and made sure I marked the wires in the connector to make sure they go back in the...
2001 Ford Escape XLS 2.0L Shifting VIN: 1FMYU02B71
Transmission will not shift into 2nd gear or reverse intermittently. After shifting through other gears, 2nd and/or reverse can be shifted into. Problem occurs with or without engine running. Problem occurs with clutch engaged or disengaged. Holding the clutch...
2002 Ford Windstar SE 3.8L oil in coolant jug VIN: 2FMZA524X2
we have cleaned and flushed coolant system 3 times and oil keeps coming back in overflow jug
2002 Ford Ranger Edge 4.0L starter VIN: 1FTZR45E32
Hopefully this will be good for a laugh. I checked the archives and found no similar problem. The vehicle came in with a locked up engine about 2 months ago. We were able to get the engine freed up and then started. It ran long enough for us to determine that ...
2003 Ford Windstar 3.8L alternator VIN: 2FTZA54453
thanks in advance... this veh came into shop no charge.. alternator no output.. we replaced battery and alt with reman unit.. veh towed back in with alt light on.. we replaced alt again with new motorcraft unit... veh has come back in multiple times with same ...
1995 Geo Metro 1.3L lifters
This metro has a rattling noise caused by valve lash clearance. Vehicle was run for 20 minutes after the head was replaced. Four of the lifters were not pumped up so we replaced them. After running the engine, again, for 20 minutes it still had two lifters not...
2000 GMC C3500 Sierra SL 5.7L Exhaust VIN: 1GDJC34R7Y
Not really a repair question but more of a parts supply issue. This cab and chassis C3500 has a bad rear cat. I attempted getting an aftermarket from my supplier but the only thing that is right is the gasket. Called the dealer and the only thing available is ...
2001 GMC Sierra 2500 HD SL 6.6L Hydro Boost VIN: 1GTHC23141
Good morning, my customer stated that after making a hard left hand turn he began to hear a noise when ever he turned the steering wheel or pressed on the brake pedal. This 6.6 L Dura Max diesel has a Hydro Boost system. After a while the noise disappeared, bu...
2003 GMC Sierra 1500 SLE 5.3L compressor clutch VIN: 2GTEK19T13
Truck came in with no compressor clutch engagement. Compressor, clutch, drier, orifice, all new. Tech grounded clutch manually, clutch now engaged, will not disengage. Temperature changes in both zones, (automatic air), compressor stays engaged even with switc...
2001 Honda Odyssey EX 3.5L MIL Lamp on VIN: 2HKRL18661
We just did a transmission swap, prior trans had no reverse, all went well, without any issues, upon starting and running , abs, tcs, brake light stay on. We have used the snap on solus scanner and gone completely through the reset procedure, the lights will n...
1999 Isuzu VehiCROSS 3.5L remote entry VIN: JACCN57X9X
I have a vehicross that needs a second {clone} remote entry key fob programmed.Does anyone know the correct procedure??? Do I need a factory scanner to accomplish this task?
2006 Jeep Wrangler Unlimited 4.0L Electronic VIN: 1J4FA44S36
Hello fellow techs the dealer brought this one to our shop to get it fixed. I cleared the codes and took out to drive. didn't make it out of the parking lot before it set the P0935 line pressure sensor circuit high fault and went to limp in mode stuck in secon...
2006 Land Rover LR3 SE 4.4L no start VIN: SALAD25496
The car will start and run for about 3 seconds then shuts off. when the key is in the II position the hazzard lights are flashing all the time except when its in the off position,from what I have read the car is in crash mode. Also read it might be the.fuel cu...
2008 Land Rover Range Rover HSE 4.4L MIL Lamp on VIN: SALME15478
hi iatn members i have land rover that has po171 p0174 replaced mass air flow sensor(oe) smoked test,propane test , disabled egr and plugged the ports and smoked test , clean throtle body and still got these codes coming back fuel presure in specs (70psi) fuel... Trouble codes: P0171, P0174
2005 Mazda 6 S 3.0L Axles VIN: 1YVHP81D65
I have a Mazda 6 in the shop that has had a vibration just over 35 km per hour, and usually in second gear under load. The vibration feels like a bent axle, but the axles were replaced and there is no difference to the symptom. The front end is checked and is ...
2004 Mercedes-Benz ML350 3.7L Fuel guage VIN: 4JGAB57E34
Vehicle came in with erratic fuel guage operation. When inop, guage would stay at empty with no low fuel level lamp illumination. Customer stated that guage would always start working when refueling vehicle. I noticed that sometimes I could make the guage clim...
2004 Mercedes-Benz C240 2.6L Coolant VIN: WDBRH61J54
This car came in for just regular service and maintenance. Upon inspection we had found aluminum flakes in the coolant reservoir. We are in the process of replacing the water pump but once removed we found no scoring or any sort. Has anyone seen aluminum flake...
2000 Mercury Grand Marquis LS 4.6L Poor Idle Quality, Hesitation, Misfire VIN: 2MEFM75W4Y
customer came in with check engine light on. scanned and found cyl 4 misfire. pulled the plug and saw the plugs were brand new, i swapped the plug, and coil from cyl.4 to 3 and cleared the code, drove it and again detectected a misfire. checked again and it wa... Trouble codes: 304 (cyl 4 misfire)
2005 Mitsubishi Endeavor LS 3.8L No Start VIN: 4A4MN21SX5
Vehicle was towed into shop for no start. Found code p0513, communication from immobilizer unit to ecm. Checked wiring and connections at both ecu's. No problems found. I hit the column a couple times and it started. Now it starts every time. Also the code has... Trouble codes: P0513
2001 Nissan Pathfinder SE 3.5L low power
hey everyone i got a problem with a nissan. It lacks of power at higher rpm 3500+ just wont go like its restricted. you would not be able to pass a vehicle if you had a mile to do so. felt like plugged exhaust so we dropped it maid no difference. checked MAF i...
2004 Nissan Altima S 2.5L Speed sensor VIN: 1N4AL11E34
Got another good one here. This car came in with an intermiittent false ABS engagement with no ABS light turning on. On test drive, the RR sensor would drop to zero every now and then and the other 3 would read the vehicle speed. I pulled a code 32 for Right R...
2001 Oldsmobile Alero GX 2.4L Hesitation, Stall, No MIL after stall VIN: 1G3NK12T11
Typing for my brother, Fred. We thought we had this problem solved with the ignition switch (see related history). The car ran fine for several miles before the stall occurred again. The engine will abruptly stall on a snap throttle. Sometimes, it will only st...
1976 Toyota Land Cruiser 4.2L carb pop VIN: FJ40213992
Hi Guys This truck has an after market MSD-A6, part #6200 ignition module, and a holly model 2300 2 barrel carb. It came in back popping through the carb pretty bad. Lots of soot. I rebuilt the carb, but it looked pretty clean, and the passages were not clogg...
1998 Volkswagen Jetta Wolfsburg Edition 2.0L MIL Lamp on
This car has 10.34 volts @ the #2 pin were it should have 5v reference? I've checked for shorted wires none found .removed pin 44 @ pcm green/white and i've got 10+ volts @ pcm. tried another pcm same thing!Has any of you vw techs seen this before? Trouble codes: P0341
1999 Volkswagen Passat GLS 1.8L alternator VIN: WVWMA63B4X
Vehicle came in not charging, another tech diagnosed bad alternator based on testing with VAT 40, Tech put on 2 Bosch Alternators neither would charge. Vehicle was passed to me. I went thru pinpoint testing the charge circuits, even providing a case griound to...
1991 Volvo 740 2.3L drivetrain VIN: YV1FA8846M
Hi, this volvo has me scratching my head. Came in for a noise when first driven a high piched howling . so I replaced the center support bearing on the drive shaft. noise is fixed.I made sure to index the shaft to keep it in phase and marked the flanges so its...
1994 Volvo 850 2.4L Poor Idle Quality, Hesitation, Stall VIN: YV1LS5521R
car towed in no start. had no spark so put new coil/ignition module assy. car starts now and will run fine if held over 2000rpm. if let to idle it will hunt and eventually die out. i noticed that the check engine light will flicker then it will stumble during ...
1999 Volvo S70 2.4L abs VIN: YV1LS55A9X
Hey guys.this s70 non turbo non trac 2wd that is kicking my butt. I had wheel left front wheel speed sensor code and a throttle unit failure code, they come back symptoms present other than re-occuring mil ets and abs lights on.replaced sensor, cod...

Fixes & Summaries for All Makes and Models
Fix/Summary Answers
1999 Acura TL 3.2L Mechanical VIN: 19UUA5651X
Vehicle is fixed, thanks for all of the replies. Rodger from Ohio was correct, the rear calipers were installed on the wrong sides so the bleeders were not on the top. This caused air to be trapped in the calipers and cause a low brake pedal. After the caliper...
2006 Audi A6 3.2L stereo VIN: WAUKH74F86
I am sorry that I don't have a fix on this car. The suggestions for water damage were very good but we did not find any evidence of that. I was not sure how to make a fibre optic loop and should learn more about that. Ultimately we sent the car to the dealer ...
2003 BMW 745i 4.4L Excessive Emissions, Misfire, MIL Lamp on VIN: WBAGL63413
i have fixed this vehicle but admit that it does not make sense. I talked with the customer about the fact that we could not program a new VVT module and he wanted me to go ahead and get one. I installed the new module, cleared the codes and the car ran perfec... Trouble codes: 2852 (variable valve gear reference sensor bank 1), 2862 (variable valve gear voltage supply bank 1), 2863 (variable valve gear voltage supply bank 2), 2865 (variable valve gear in limp home).
2007 BMW X3 3.0si 3.0L MIL Lamp on VIN: WBXPC93457
found rodent damage at leak detection pump,repaired evap fault replaced t-stat(heart surgery),repaired coolant fault waiting to see if ews code returns Trouble codes: 2EF5, 2A13, 2F4A.
2005 Buick Terraza CXL 3.5L steering VIN: 5GADX33L25
Sorry I could not fix this one atleast not yet. Told the cust about what it could be and he said ill just live with it for now. The problem got better after a long drive but he took it and I havn't heard or seen him since the day I posted my question. Thanks f...
1999 Chevrolet Astro 4.3L MIL Lamp on VIN: 1GCDM19W1X
2005 Chevrolet Trailblazer LS 4.2L Starting VIN: 1GNDT13S45
I would like to thank everybody that took time to read and post. I did indead find a shorted wire like most said. I cant believe how much stuff is powered off a 10amp fuse. Everything from the brake lamp switch to the insterment cluster to the pcm to the start...
2005 Chevrolet Silverado 2500 HD 6.0L Poor Idle Quality, Poor Fuel Economy, MIL Lamp on VIN: 1GCHC24U85
Joshua, that's why I unbolted the exhaust at the manifolds. The PCV hose and evap are the only vacuum points on this engine. Kent, that will not work on any of these newer engines. 10 years ago that would have worked so, that is why they changed it, that made ... Trouble codes: P0101.
2005 Chevrolet Silverado 2500 HD LS 6.6L Hesitation VIN: 1G45K563G5
thanks to the five techs that replied to so after installing the new ficm and disconnecting the battery i was able to final get the code to clear i believe it had something to do with the after market programer that was on it however after i cleared the code ... Trouble codes: P1296 (p1296 injector circuit high to low current transition time bank 2).
2005 Chrysler Town & Country (Van) Touring 3.8L acutuators VIN: 2C4GP54L35
This fix for this was in the rear mode door driver actuator. Because of this I was getting the front "recirc overcurrent" code that was active at all times. Everything can be tested at the a/c heater control head. Early on I ohmed out all 6 (4 front and 2 in ...
2000 Ford Ranger XL 4.0L head gaskets VIN: 1FTYR14X3Y
Thanks for replies had crack in head at cylinder 5 area but was affecting cylinder 6 some travel eh?
2008 Ford Crown Victoria Police Interceptor 4.6L MIL Lamp on VIN: 2FAHP71V18
1994 GMC Sonoma SL 4.3L Ecm/Iac VIN: 1GTCS14Z3R
After vehicle returned with a code indicating prom error, we bought a used PCM and used the prom from it in our new PCM. the vehicle returned again two days later with the same concerns. We checked our notes and realized that code (prom error) did not happen...
1995 GMC G2500 Vandura 5.7L not shifting/lite VIN: 1GDEG25K8S
customer brouhgt car back yesterdy for us to look it over again all is well 2 weeks ago we found broken wire behind battery box connecter was brokken when the customers son replaced the battery and never told us problem started after that thank youm to all who...
2000 Honda Accord EX 3.0L Poor Idle Quality, Surge, Poor Fuel Economy, MIL Lamp on VIN: 1HGCG1659Y
hi. everyone. thanks for your reply. we found problem. first, misfire and egr codes were fixed by cleaning egr port plugged by carbon deposit. After, the problem which we asked for help-vacumm leak, haunting idle-was fixed with smoke machine. It is throttle b... Trouble codes: P0300, P1492, P0401.
2000 Jaguar S-Type 3.0L Ball joint VIN: SAJDA01C5Y
Thanks to everyone for their input. We opted to replace the steering knuckle with ball joint just to be on the safe side.
2003 Jaguar S-Type R 4.2L Ecm VIN: SAJEA03V23
Sorry for the delay in posting, the car left the shop 2 weeks ago and I wanted to give it a little time just in case there were any issues. Well, I am assuming no news is good news! I got 3 replies from IATN members: The first one instructed me to use "...
2003 Jaguar S-Type R 4.2L MIL Lamp on
We have finished working on this car, We took the throttle body and egr off and fixed the booster pipe to the throttle body by tapping a thread and install a brass fitting, we sealed up the leaking egr body, our fuel trims are still high at 20% but the check e... Trouble codes: P0171 (Lean), P0174 (Lean).
2002 Jeep Liberty Sport 3.7L hvac VIN: 1J4GL48K92
top cover of heater box was broken thanks for all ur help
2006 Jeep Liberty Sport 3.7L Abs Module VIN: 1J4GL48K46
Thanks all for info, did find out that otc scanner was the problem after using a new snap-on solus, found left rear wheel speed sensor malfunction, and repaired broken wiring. Thanks again!
2002 Lexus RX300 3.0L MIL Lamp on, p0440 VIN: JTJGF10U02
hello again, this thing is fixed. Richard from Florida was right on the money. The roll over valve had a very small crack in it. the sad part is, that I had checked the fuel tank with the smoke machine while i had it out and found no problem. After reading Ric... Trouble codes: P0440.
2002 Mercedes-Benz C240 2.6L steering VIN: WDBRF61J72
thanks for replies,switched tires with another car problem solved.had balanced and inspected but still could not see any defect. remounted, wobble returned. replaced tires. good to go
1996 Plymouth Grand Voyager 3.0L heating VIN: 2P4GP2430T
thank you everyone for all your help. after trying all that was suggested, ex: ck for head gasket issue, back flushing heater core, i put a new heater core in the vehicle, ran it, got all the air out, and heat has been working fine now for 1 week. thanks again...
1999 Volkswagen Beetle GLS 2.0L engine VIN: 3VWCA21C4X
Well I am embarrassed to be posting this but for the sake of being honest here it is. First I want to thank everyone who replied with excelent suggestions. As I mentioned in my post the cam sensor was bad, so I replaced both sensor and cam gear. Car ran with n...
2010 Volkswagen Passat CC Sport 2.0L Alternator bracket VIN: 3VWHL7AJ5A
Just got done dealing with the adjuster. Pissed off the body shop but think he will understand where I came from. Adjuster came in said bracket pays 1.2 hours and car is already somewhat apart so all he could pay was .75 hours. I proceded to show him the repla...
Prev (Also Available: All, Asian, Chrysler, European, Ford, GM.) Next