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International Automotive Technicians Network
Prev Professional Automotive Repair Technical Discussions for December 21, 2007
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Open Help Requests for All Makes and Models
Help Request Answers
2000 Audi A6 Quattro Avant 2.8L MIL Lamp on VIN: WAULH24B5Y
Vehicle has had two purge valves replaced by the dealer last summer. I replaced a defective purge valve and the LDP pump in October. I have smoke tested the evap system and the intake for leaks. None were found. I have tested the purge valve and found it to b... Trouble codes: 411 (Incorrect purge flow)
1991 Buick Regal 3.1L Poor Idle Quality, Hesitation, Stall VIN: 2G4WB54TOM
Vehicle came in cutting out at idle. I found many vacuum leaks including the t/b. I repaired all the vacuum leaks and checked it with my smoke machine. The vehicle actually seems to run worse with the leaks repaird. I would appreciate any help you can give me ...
1997 Cadillac Seville STS 4.6L Oil pressure warning VIN: 1G6KY5290V
Hi everyone. The oil pressure warning system is going of on this car for no apparent reason. I replaced the sender twice, the first time with a Carquest one the second with an OEM one. When that didnt work we put the manual pressure gauge on it and got fantast...
1999 Cadillac Catera 3.0L Poor Idle Quality, Hesitation, Surge, Stall, Misfire VIN: W06VR52R3X
hi , this car run bad cold , can't keep running cold, dies , popping in intake . just run poor . in open loop once goes in close loop car runs good . date are jumping so bad because it running bad can't get good reading . hope someone can help
1999 Chevrolet Astro 4.3L Hesitation, Stall, Misfire, MIL Lamp on VIN: 1GNDM19WOX
see previous Trouble codes: P0300
1999 Chevrolet Tahoe LS 5.7L Transfer Case VIN: 1GNEK13R1X
Hi everyone.This Tahoe came today with a clicking/grinding noise while driving heard at slower speeds 10-15 MPH.(customer thought it was brake noise).Upon further inspection with vehicle on lift and turning drive shaft by hand I can here what sounds like slapi...
2004 Chevrolet Aveo 1.6L intake? VIN: KL1TD62604
Hello all, First Thank you in advance and happy holidays. My question is that we have this 2004 aveo here with no start and coolant smell from exhaust, wondering because I see a plastic manifold could these have issues like the 3.8 liters or is this going to...
1995 Chrysler New Yorker 3.5L Fuel leak VIN: 2C3HC46F7S
What a week! I've got this 95 Chrysler New Yorker in with a fuel leak complaint. Easy to see, It's leaking out of the front fuel rails at the crossover pipe. Pulled rail, removed clips holding pipe in and found hard flatten out o-rings. These are probably abou...
1996 Chrysler Sebring LX 2.5L odometer display
This is my brothers car and I am trying to helphim long distance. He had the basic no odometer, no tach the chryslers seem to exhibit after time. He is a pretty good electronics guy so pulled the cluster and did the usual repairs to the solder joints. After re...
2003 Chrysler PT Cruiser Limited 2.4L MIL Lamp on VIN: 3C8FY68B73
i got a pt cruiser that keeps setting a code p0441 for evape purge solenoid performance the solenoid is working and all vacum lines are corect and conected this thing is driving me nuts any help is greatly apreciated Trouble codes: P0441 (evap purge solenoid performance)
1998 Dodge B2500 5.2L Poor Idle Quality, Hesitation, Stall, MIL Lamp on VIN: 2B7JB21Y3W
hey guys. i need some help with this one. this one hesitates and stalls at idle. has codes listed above. but the thing with this is that the voltage reading are fine at the sensors, but in the scanner readings, the data comes out like this. map voltage= 5.0v o... Trouble codes: P0108 (map sensor voltage too high), P0132
2001 Dodge Stratus ES 2.7L oil light VIN: 1B3EJ56U71
oil light on. checked pressure with gauge. 10 lbs. @ hot idle in drive (within specs according to dealer). Changed oil sending unit with dealer part. no change. Thanks to all who reply.
2003 Dodge Caravan SE 3.3L no crank no start VIN: 1D4GP25313
this van came in as a no crank no start. had no signal from relay to starter. tried to communicate with computer. would not access data. checked starter relay. had power to relay and had switched signal from ign. switch. is missing ground signal from computer ...
2006 Dodge Dakota SLT 3.7L MIL Lamp on VIN: 1D7HW42K66
truck has codes ste for all 4 o2 heater circuts p0031,p0037,p0051,p0057. truck is from body shop, was damaged in front. tested o2 heater resistance at pcm plugs, pin#s c2/17,c2/18,c3/9,c3/10, to ground, heater circut measured 4.3 ohms on each circut. spec says... Trouble codes: P0031, P0037, P0051, P0057
1987 Ford F-350 Custom 7.5L Cuts out, Stall VIN: 2FTJW35L4H
driving down the road this vehicle will intermittantly (town or highway) jerk a few times then stall. will not restart immediately. must pull over for 3 - 5 minutes. may stall a couple more times on way back to shop. we installed a clear fuel filter inline nea...
2000 Ford Ranger XL 3.0L Spark Knock VIN: 1FTZR26V7Y
Need help. I have been trying to get this ranger running right for some time now. I but it some to have a spark knock during accel. and when a load is put on the engine. Plus, in the moring when the truck is cold it sounds like a valve spring is making noise o...
2002 Ford Explorer XLT 4.0L transmission VIN: 1FMZU73EX2
This Exploder came in with electrical problems and missing gears 2,3 and 5. At first I thought it was the valve body gaskets. When I dropped the pan I found a broken intermediate band, the valve body gaskets are the new bonded to plate. I pulled the transmissi...
2001 GMC Sierra 1500 SL 4.8L Differential VIN: 1GTEC14V11
hello fellow techs . i have this gmc sierra pickup with broken rear differential gears . customer doesnt want to spend alot of money so they are looking for a used unit . this vehicle has 3.73 gears and is alot harder to find than the other ratios and more exp...
2003 GMC Sierra 1500 SLE 5.3L all gauges VIN: 1GTEK19T83
This truck came in with all gauges inop and the tach stuck at the top of its sweep. The ipc was sent for repair and the gauges repaired and new power supply installed . Now when started the gauges all work for a few secones to a few minutes and then they all c...
1994 Honda Civic EX 1.6L alternator VIN: 2HGE1128RH
I can't figure out why it won't charge any body has suggestion please advise me I really will apreciated all fuses ok no batt light illuminated ,
1973 Jaguar XJ6 4.2L Hood VIN: UD1L716178
Hello Jag Tech's. We have a strange one here. One of our customers is restoring this '73 Jag, and cannot get the hood open. It was sitting in a garage for 20years. The body is in perfect shape with no rust, but everything else bolted to it is seized and rust...
1999 Jeep Grand Cherokee Limited 4.7L hard shifting DTC set VIN: 1J4GW68NXX
The DTC that are set are PO715 PO731 PO732 PO733 P0734 P1790. My diagnois using the OTC(genisys I'm only limited to certain vehicles because of updates) has found that the RPM signal is right while driving it, same with the output rpm. The Turbine speed breaks...
2000 Jeep Cherokee Sport 4.0L instrument cluster VIN: 1J4FF48S6Y
The customer stated the dash would intermittently go out before evap replacement. Just did it a few times then it would be fine. I have a code P1687 No Bus message recieved from mechanical instrument cluster. I found that the right connector to the cluster has...
2003 Lincoln Navigator 5.4L seat heater VIN: 5LMFU28R63
I have one here that mitchell does not seem to offer help with regards to testing. I have checked fuses and power on the seat heaters and all is good. I called dealer and they stated that there is no heating element in this vehicle. Does this vehicle use coola...
1996 Mercedes-Benz S420 4.2L wont shift VIN: WDBGA43E3T
i am going to appologize in advance for the length of this forum, do to the work performed and the problems. when this vehicle come in a while ago. would not shift found the trans contr. mod. to be completely full of trans fluid. cleaned module performed trans...
1999 Mercedes-Benz E300 3.0L Poor Idle Quality, Cuts out, Stall VIN: WDBJF25H3X
Let me preface this with the admission that my Mercedes diesel experience is very limited. Last week this car was towed in for a no start condition and a fuel leak. I repaired the fuel leak which was a leaking fuel shutoff valve and a couple of leaking hoses c...
2004 Mercedes-Benz ML350 3.7L Hesitation, Surge, Cuts out, Stall, MIL Lamp on VIN: 4JGAB57EX4
customer came in with a driveability problem. sometimes the car will stall. sometimes it won't even start. mil lamp on all the time and got code po335-crankshaft position sensor circuit malfunction and po456- evap emmission control system leak very small. i ha... Trouble codes: P0335
2000 Mercury Sable GS 3.0L Brakes VIN: 1MEFM50U6Y
This car was sold by a friend's wholesale lot that I do a lot of business with and I am trying to help them out with it. The complaint is the brake pedal will be hard and the car is very difficult to stop. It has almost caused a few accidents. The problem is v...
1998 Nissan Maxima SE 3.0L engine
this vehicle has a hard start all times. when i try to start it, some times it makes backfire sound in the intake and there was a code for the crank reference sensor.i have changed this sensor in the front of the crank and the cam sensor also. i have checked t...
1988 Oldsmobile Cutlass Calais International 2.3L Cuts out, Misfire VIN: 1G3NK14D2J
Merry Christmas or Happy ?. Cust brought in olds for hard start cold and missfire on accel. Starting cold it will pop in intake like a lean missfire. Checked fuel pres koeo 42 psi-held pres for 2 hours-lost 5 psi. Checked,no codes,all pids are good except for ...
1998 Oldsmobile Silhouette Premiere 3.4L Driver Information Center VIN: 1GHDX03E1W
Driver Information display--- code displayed on Did is no communication. Customer did try other DID and same results. I don't have tech2, OTC Genysis only covers Engine, ABS, and Trac. Lab scope on data line shows activity at DID, powers and grounds good. Do...
1996 Pontiac Grand Am GT 3.1L intake manifold gaskets VIN: 1G2NW12T6T
This may be a post that will have no definite fix to it, so read on with that in mind. I am thinking of buying a car really cheap for another home project $$$-maker, but I do not feel like taking on a really big project right now at home. Looking for some casu...
1996 Pontiac Grand Am SE 2.4L No Start, Poor Idle Quality, Stall VIN: 1G2NE52T3T
Only occasionally will start and die, or start run rough and die, then next start will run fine. When this occurs it is like a car that has water in the distributor cap, that is it will crank a long time and kick back like the timing is advanced 30 or 40 degre...
2001 Pontiac Grand Am SE 3.4L Brake Pedal VIN: 1G2NF52E71
Hey guys, I have a vehicle with a hard brake pedal, only on first brake application and it only happens every once in a while. The pedal is rock hard and the vehicle will not stop. I have only experenced the condition once, release the pedal and apply, the con...
1994 Saab 900 Turbo 2.0L shifter VIN: YS3AL4R700
Car came in to shop for ignition switch complaint.key would turn but sometimes would not start,switch felt like it was in a bind.removed housing and replaced ignition switch , lock tumbler assy ,and key.I also replaced linkage gears between switch and tumbler ...
2000 Subaru Outback 2.5L radiator VIN: 4S3BH6758Y
we just did a headgasket job on a 2000 subbie outback along with the timing belt water pump and thermostat also did have the heads machine and leak checked. upon start up coolant came gushing out of the radiator cap. that just happens on start up then quits an...
2005 Toyota Corolla CE 1.8L No Start VIN: 1NXBR32E25
hello guys i replaced the pcm now it cranks but no start wondering it need programming or something else once in while it seems like to start but not i know this car has transponder key any help will welcome happy hoildays thanks in advance
1998 Volkswagen Passat GLS 1.8L Cuts out, dies when cold VIN: WVWMA63B1W
when this vehicle is cold, at or below freezing it will start idle well then die in 10 to 15 second. injection pulse goes up around 20ms and vehicle wont even try to start. turn key off wait about to minute start and will try to hit on a couple of cylinder. Ar...
1999 Volkswagen Golf GTI 2.8L MIL Lamp on VIN: WVWDE31J6X
Hello VW Techs, Tis Vehicle came to our shop with the check engine light on and we found PO342 DTC in the Pc's memory. We checked the power to CMP sensor and we got 12 volts 5 volts in the other wiring and ground in the 3rd wire as expected. The customer has r... Trouble codes: P0342
2006 Volkswagen Passat 2.0T 2.0L Engine ID VIN: WVWEK93C86
Hello Fellow Techs. We are having a big trouble of locating engine number on 2006 VW Passat 2.0l turbo We must find this number in order to register it and get license plates. Can anyone give me detailed description of engine serial number location on 2006 VW...
1998 Volvo S90 2.9L MIL Lamp on VIN: YV1KS9604W
Hi This car failed california emission test because of MIL on (code P0455). I tested purge valve and shut off valve , seems to me good.( valve cost ~ $180.00/ea and up ) evap system all fuction s o.k. CP valve engaged after few min, with idle. gradualy up to ... Trouble codes: P0455

Fixes & Summaries for All Makes and Models
Fix/Summary Answers
1997 Acura TL 3.2L cooling VIN: JH4UA3645V
well, after bleeding the system, we had heat at all times, and no issues yesterday. we decided to go ahead and check for hydrocarbons with scope. no evidence of headgasket leak at this point, so we gave the car back to the customer after spending 2 days workin...
1992 Asuna SUNRUNNER 1.6L Poor Idle Quality, MIL Lamp on VIN: 2CKBE18U4N
thanks for all your advice guys. i decided to make my own ground. i spliced into the wiring harness and grounded with another ground at thermostat housing. vehicle runs ok with no engine lamp or driveability problems. customer will look for newer ecu ( he like...
2000 BMW 323Ci 2.5L vanos VIN: WBABM3349Y
1992 Buick LeSabre Custom 3.8L Poor Idle Quality VIN: IG4HP53L2N
Removed vibration dampner,found scrape marks on reluctor wheel,hitting slightly on one 18x reluctor blade.Straightened the one reluctor,replaced the crank sensor.Engine now had 6 firing lines not 9,also had one high resistant wire that I could not see before.
1997 Chevrolet C1500 Cheyenne 5.7L heater core, VIN: 2GCEC19R1V
Well I am going to go on the limb and say it is fixed. From the replies here is a general tally of what I recieved, hose restrictor problem at connecotr 5, door actuator 6, air in sytem 5 , heater core issue 1 and hoses either crossed or kinked 2. Here is the ...
2001 Chevrolet Prizm 1.8L fuel filler
Thank you gentlemen for all your input. If they gave the Darwin awards to spiders this one sure would have been a candidate. The problem turned out to be a spiders nest in what I would describe as the rear vacuum vent valve on the canister. This is the one...
2002 Chevrolet Impala 3.4L Misfire VIN: 2G1WF55E82
2003 Chevrolet Silverado 1500 4.8L MIL Lamp on VIN: 2GCEK19V43
Found CTS on bank 1 front internally cracked.Aslo ran instrument cluster test and the coolant gauge would not reset or move.Replace CTS and cluster all is well.I used the auto inginuity scanner. Trouble codes: P1115 (circuit intermitant coolant).
2004 Chevrolet Silverado 1500 5.3L fuel tank VIN: 2GCEK19TX4
thanks to everyone who replied. using the info that i recieved i did a process of elimination. i undid the evap line at the gas tank and tried it. worked great. i then undid the line after the charcole canister and it worked great. that left only the vent...
2004 Chevrolet Aveo LS 1.6L suspension VIN: KL1TJ62654
Cust. never returned. Had replies to disconnect stabilizer links and drive Will try if cust. returns
2002 Chrysler Town & Country EX 3.8L rear lift gate motor VIN: 2C8GP74LX2
Thanks for all the help!! I replaced the rear latch and it operates perfectly, whether its inside warm or outside cold!! Happy Holidays! Steve
2001 Dodge Grand Caravan Sport 3.3L Poor Idle Quality VIN: 2B8GP44381
1997 Ford E-350 Econoline 5.4L Mechanical VIN: 1FDKE37L2V
I have received an abundance of help from all of you. I'm in the process of doing some of the testing which requires some time. I would like to thank everyone who responded to my question.
1999 Ford Ranger XL 4.0L 4WD/Lo VIN: 1FTZR15XTB
I am ready to post a fix on this one. The original problem was no 4wd at all. As stated earlier I had replaced the shift/encoder motor, which enabled the 4wd-Hi. I then replaced the GEM Module with a used unit. This turned out to be the problem. I had earlier ...
1998 Honda Accord LX 3.0L shifts VIN: 1HGCG2249W
I changed the fluid,Replaced it with honda fluid! Everything seems to be allright. Going to let customer have car back. THANKS for help!!!
2004 Honda Accord EX 2.4L Radio Code VIN: 1HGCM56834
The fix for this was very simple, and I thank the IATN techs for their much appreciated help. The trick is 1)Radio off, key off. 2)Key on, Radio still off, 3)Hold down the #1 and #6 preset buttons, while at the same time, turn radio on. 4)The radio give a "...
1999 Isuzu Rodeo LS 3.2L dash gear lights VIN: 4S2CM58W0X
Thanks to all that replied. I am going to close this post due to the fact the selling dealer has just now authorized replacement of the trans control/alarm control unit and I am afraid the part/avilable shop time will be past my one month point on the post and...
2003 Jaguar X-Type 3.0L No Start VIN: SAJEA51D53
This one is fixed,jason and brad got it right and i never would have figured it out with out there help.the car cranked just fine but the batt wasnt putting out enough amperage to fire injectors or coils.after installing a new batt the car starts and runs grea... Trouble codes: P0335.
1991 Lexus LS400 4.0L MIL Lamp on VIN: JT8UF11E6M
Most everyone that replied indicated that the problem was due to a defective 02 sensor, however as I had said in my original post I had allready tracked the problem down to the ECT sensor due to the -40 degree value noted on the scan tool. My original post no... Trouble codes: 25 (fuel/air ratio).
2003 Lexus GX470 4.7L ride height VIN: JTJBT20X53
Thank you for the input, the vehicle arrived yesterday and upon inspection it was found that the air spring on the RR had folded over and ruptured when the vehicle was lowered back down, due to the air spring detaching from its lower perch. This is why you sho...
1996 Mazda 626 LX 2.5L Monitors not run VIN: 1YVGE22D0T
Hello Everyone: Well I have just finally gotten those monitors to run a few minutes ago. There were two things that may have something to do with getting them to run. By the way, I have run $70.00 worth of fuel through this thing to get to this point. Afte...
1985 Mercedes-Benz 380SL 3.8L No Start, Misfire VIN: WDBBA45C8F
Thanks for all the replys. I wanted to make sure it was fixed so I waited for the vehicle to get some mile on it. I replaced the coil and rotor with oem bosh parts all seems to be ok. Thanks again for all the help. John
1988 Mercedes-Benz 300TE 3.0L Excessive Emissions, Poor Fuel Economy VIN: WDBEA90D7J
This car turned out to have a bad oxygen sensor. I don't why, but for some reason I go stupid and forget to check basics on some of these old European cars. Thanks for all the help. Glenn
1992 Mercedes-Benz 500SEL 5.0L Timing chain tensioner VIN: WDB140051X
Thanks to all that replied. Everyone suggested replacing the tensioner. New tensioner installed. Engine rotated safely. Job completed.
1999 Mitsubishi Diamante 3.5L No Start VIN: 6MMAP47P8X
Thanks for all the help. It turns out that the fuel pump just would not run when cold. That was a first for me. Another fuel pump and car has been going fine for a few days now.
1997 Nissan Maxima GLE 3.0L tcm VIN: JN1CA21D7V
i have replaced the ecm and right now the vehicle is fine but im not sure if it is completed .as soon as the customer returns from vacation i should know.
1987 Oldsmobile Delta 88 Royale Brougham 3.8L No Start, slow to fire up VIN: 1G3HY5137H
Yes it is fixed! The ignition module fixed the no start and after lots of follow up testing on the long crank, We did nothing to fix this. It takes more than a second to fire, and one of you said that was normal for that year etc. Thanks and Merry Christmas Trouble codes: 43 (EST failure).
1999 Other European 355F1 3.5L Mechanical VIN: ZFFXR48D00
Thanks to members who replied. It appears that clutch life is a function of how the car is driven with some owners reporting reasonable lives of over 70,000km. My next challenge will be finding a scan tool that can talk to these cars. Thanks to iATN I may h...
2001 Toyota Camry LE 2.2L MIL Lamp on VIN: JT2BG22K91
this one is fixed . replaced the o2 sensor with a factory one and all is well . thanks again for all the replies . Trouble codes: P0171.
2005 Toyota Tacoma 2.7L battery light VIN: 5TENX22N55
The alternator had to be replaced,the regulator was bad as far as the light staying on.Thanks to Santiago [...] you read my mind,that is exactly the procedure I took before hand.Than...
2001 Volkswagen Beetle GL 1.8L MIL Lamp on VIN: 1VWDC21C01
Thanks for the multiple suggestions. We tried them all. ...additionally we replaced the ECU, O2 sensor, Cat, air pump, combi valve, mass airflow sensor, cleaned the throttle body and readapted and cleaned the head ports. We got it to past the test but the c... Trouble codes: 16795 (P0411 035 Sec.Air Inj.Sys - Incorrect flow detected).
2002 Volkswagen Beetle GLS 1.9L Dash Air Flow VIN: 3VWCP21C12
We found out that a TSB concerning vent flow was not properly done. Redid the TSB, and showed the customer with an airflow meter her car, compared to another VW we just happen to have in the bay beside her's convinced her that air flow is now proper. There wer...
2002 Volkswagen Jetta GLS 1.8L MIL Lamp on VIN: 3VWSE69M52
Thanks for all the help from everyone. We were diagnosing the rear oxy sensor. The vehicle came back in this morning and we tested the front oxy sensor. The sensor had an open heater cicuit. We replaced the front oxy sensor and all seems to be fine. This is th... Trouble codes: P0030 (B1 Probe1 heating circuit).
2003 Volkswagen Jetta TDI 1.9L No Start VIN: WVWSP61JX3
Well we definetly have located the problem after many hours of research and after performing many test and consuling with many techs Paul from Washington advised to check fuel quality again,Vehicle did have gasoline added to fuel system even thogh appeared to ...
2003 Volkswagen EuroVan GLS 2.8L No Start VIN: WV3AB47063
Well, with the information we received, which suggested Crank Position Sensor as well as a post from Gene which I will include, we decided that both us and our customer would be better served if he took it to the dealer. He said he would let me know what was ... Trouble codes: P0010 (Camshaft Actuator Circuit Bank 1 Position A), P0753 (Solenoid A), P0758 (Solenoid B), P0763 (Solenoid C), P0768 (Solenoid D), P0773 (Solenoid E).
1999 Volvo S70 2.4L dashboard` VIN: YV1LS55A9X
Thanks again to all who responded. Everyone had great insight into exactly what I was up against. I ended up calling up peter at Sweedish car clinic in CA.He explained in perfect detail how it's done. After removing the top pad,passenger air bag,and glove box ...
1999 Volvo V70 X/C AWD 2.4L Electronic VIN: YV1LZ56D4X
The only way that i could get the dampers to program was to install ECC controller into another vehicle and program to that controller and then reinstall ECC back in to problem vehicle,then eveything was ok,untill i tryed to reset dampers again just to see wh...
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