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International Automotive Technicians Network
Prev Professional Automotive Repair Technical Discussions for October 14, 2007
International Automotive Technicians' Network (iATN) - Members Only
(Also Available: All, Asian, Chrysler, European, Ford, GM.)
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Open Help Requests for All Makes and Models
Help Request Answers
1996 BMW 750iL 5.4L no start VIN: 2B4WN336EG
this car will not start. checked injector pulse, and fuel pressure, spark, both ecm's (2 sided system), and i get some firing randomly, and only once in a blue moon. im stumped. customer states that the transmission was rebuilt, and he drove it home. after tha...
2000 BMW 323i 2.5L MIL Lamp on VIN: WBRAM3332Y
This vehicle, intermittently, causes the cruise control & the radio to not work. At this point, the MIL light comes on. If the vehicle is then turned off...wait a few seconds & then restarted...everything works again. The code that keeps coming up is #45...thi... Trouble codes: 45 (steering wheel interface monitor)
1991 Buick Park Avenue 3.8L Excessive Emissions, No Start, Poor Idle Quality, Hesitation, Surge, Cuts out, Stall, Misfire VIN: 1G4CW53LXM
Hello everyone,I have this Park Ave here and its doing wierd things.It came in as a no start and after leaving it overnight it fired right up.Figured it was the module because it would buck and surge when hot and stall and not startand start and run fine when ... Trouble codes: 41 (cam sensor)
2000 Buick Regal GS 3.8L Cuts out, Stall, MIL Lamp on VIN: 2G4WF5515Y
Car cuts out or dies intermittenly cough, spits, sputter, black smoke have replaced the mass air flow sensor and the throttle position sensore due to the codes it is setting but this has not help the problem and if raise the rpms to 2000 the car will die out c...
1979 Cadillac Seville 5.7L Misfire VIN: 6S69B99472
Hello IATN members. First time asking for help. I am helping a fellow tech to get some information we are not able to find locally. We know this caddy needs injectors and an ECU. We can't find any info for the resistance for the injectors. 2 of them read appro...
2003 Chevrolet Silverado 3500 6.6L Hesitation, Engine Noise
This Duramax Came in with a "smoking" and "knocking" complaint. Scan tested and found P1093 "Fuel Rail Sensor" code. Engine also has a very noticeable knocking noise in the engine, not a fuel knock but a mechanical knock at idle and while driving, if i remove ... Trouble codes: P1093 (Fuel Rail Pressure)
1996 Chrysler Sebring LX 2.5L Cuts out, Stall VIN: 1GT456U789
anyone with any noledge on these cars help thanked ahead of time.ive change everything but distibuter (cam sensor biult in).thanks mopar!im woundering if this is it i dont want to throuigh another part at this and it not be it im third machanic and dont like j... Trouble codes: P1296
1986 Ford LTD Crown Victoria LX 5.0L Surge, Cuts out, Misfire VIN: 2FABP43F3G
car idles ok and has good power at wot but when at a cruise and tip in throtle gets a popping in the intake and miss.this car is driving me crazy so any help would be appreciated.thanks in advance.
1998 GMC K2500 Sierra SL 5.7L Poor Fuel Economy VIN: NONE VINR
shop says knock sensor is at fault after 2 weeks of testing . no codes, only drivability isssue is noisy(lazy) lifter since engine rebuild . has anyone else ever seen a knock sensor pass all tests and yet cause this problem shop says lifter is not causing this...
2000 Honda Civic Si 1.6L Surge, Cuts out VIN: 1HGEM1151Y
during high engine rpm 5k to 8k, without cat or (burned out)this engine spools up to 8k without hesitation. no surge no resistance to accelerate. when new cat is installed (factory honda) the engine lacks power and surges when trying to accelerate past 5k rpm.... Trouble codes: P0420
1996 Mercedes-Benz S420 4.2L MIL Lamp on VIN: WDBGA43E3T
Hello guys, Here again I need some help.I've got this MB S420 came in for MIL on and P0410 Secondary air injection system . Air pump tube removed to inspect ,did not find no restrictions or leaks,cut off valve did not worked -replaced. Oxygen sensors were laz...
1991 Pontiac Sunbird LE 3.1L Poor Idle Quality VIN: 1G2JB51T2M
Hi everyone.I have my brother in laws Sunbird for a few days to see if I can find the problem.It started a few months ago with a rather high but steady idle speed (1000-1200) when hot.Then it started getting higher each time it is started.Today it was idling a...
1991 Toyota Camry DLX 2.0L Starting VIN: JT2SV21W3M
this is an intermittent crank, but no start. when cranking, i have spark, fuel pressure, fuel injector pulse. vacuum at cranking is about 4"hg. checked timing at cranking and found it at about 5 deg. without shorting the actual timing check pins. after dist. w...

Fixes & Summaries for All Makes and Models
Fix/Summary Answers
1990 Audi V8 Quattro 3.6L No Start VIN: WAUKE5443L
It was the crank sensor. I replaced it still had same problem. Then put it in the speed sensor position and problem fixed. Thanks to all that replied. And special thanks to Jake. Dan
2001 Audi A4 1.8L Engine VIN: WAUZZZ8EZ1
Hi all. Many thanks to all who replied. As I said in first post everything you need to start an engine was there! Spark,injector pulse,fuel,compression,volts,ecu test, Any way after more interrogation of customer initial problem was non start & no firing a...
2001 Cadillac Catera 3.0L MIL Lamp on VIN: W06VR54R41
This problem was track down to the ECM. I did the 30 sec thing see "view reply". I discharge the ecm by dicconnecting the battery overnight with lights on. I check the trottle plate for binding - ok.I had a caddi tech came over with his tech 2 and he tried to ... Trouble codes: P1526 (Minimum Trottle position not learned).
1991 Chevrolet C1500 Cheyenne 4.3L Hesitation VIN: 2GCEC19Z3M
Hello. Sorry for the delay to post a fix. But This vehicle is two hours away from me and just had to wait a little longer. I found a throttle body injector gasket leak and going into the throttle plates when acceleration. Producing a rich mixture. Replaced tha...
1994 Chevrolet Caprice Classic 5.7L ecm VIN: 1G1BL52POR
Thanks for the replies from douglas [...]. All the relies were appreiciated and very helpful. Douglas said that ...
1996 Chevrolet C1500 Cheyenne 5.7L Surge VIN: 1GCEC19R3T
replaced the stanard cap with a delphi ignition cap. wire conections were not a sure grip. tc was working properly. did not have a big problem with egr, cleaned it like new again. thanks for your imput it was helpfull.
2001 Ford Taurus SE 3.0L Hesitation, Cuts out, Stall, Misfire VIN: 1FAFP53261
sorry for the long wait! changed the flex fuel relay on this one to start and it still didnt fix the problem. we decided to replace the fuel pump and that did it. i still dont understand when the fuel pump pressure droped down to 13psi and you shut the car off...
2001 Ford Focus LX 2.0L No Start VIN: 1FAFP3432Y
Sorry I finally got confirmation from the customer that the vehicle was fixxed by a new pcm. I sent it to a dealer. thats to all who replied and I checked and preformed all tests that was sent. The pcm was not producing what the cam sensor needed to produce a ...
1998 Jaguar XK8 4.0L Transmission, differential VIN: SAJGX2244W
This car was a real puzzle. While driving the noise seemed to be coming from the bellhousing of the transmission. Because it seemed to happen only in lock-up we replaced the converter to no avail. Figured out that the noise was actually happening in fourth ...
1987 Jeep Wrangler Laredo 4.2L NO 1st, 3rd or 5th gear VIN: 2BCCL8149H
Thanks to all who took the time. I should have mentioned that this was an AX15 transplant. It had the Peaugot BA10 originally. It started out that the roll pin on the reverse rail was sheared.I replaced that and from there, had nothing but problems. Anyway , I...
1997 Lexus SC300 3.0L MIL Lamp on VIN: JT8CD32Z3V
Thanks to everybody for the excellent responses!!! I waited until this customer drove the car for a while (and the MIL stayed off) before closing my post. Many techs (Rod [...] among them) pointed toward the vacuum transducer or... Trouble codes: P0401 (EGR Flow Insufficient).
1999 Mercury Villager Estate 3.3L MIL Lamp on VIN: 4M2XV11T7X
Well, i,m soory guy,s , i waited2-3 wks. for the villager to come back in, never showed, even had 2 appointments. Her is what i learned from keith,mike,and james,the villager is basically a nissan quest,eitherway these have a couple pattern failures, 1stthe h... Trouble codes: P0135, P0325, P0141.
1981 Nissan 280ZX 2.8L Poor Idle Quality VIN: JN1CZ04S2B
I purshased a smoke machine and found vacuum leaks otherwise I would never have seen. Runs great now, but still cold natured the first minute or two. Thanks to all for your help.
1992 Nissan Sentra E 1.6L front seal VIN: JN1EB31P3N
Hi all: The customer has not returned with the vehicle, as he is attending college on another community. He will bring the car back at his next convenient time. I have, however, gleaned a lot of valuable info on this little car and shall affect repairs when i...
2005 Saturn Ion-2 2.2L power steering VIN: 1G8AJ52F55
Well guys heres's what happened, for it's fixed I replaced the colum.The reason I had those other problems I updated about can only be attributed to over reacting.I'm not sure wht I couldnt get the scan tool to read, the Snap-On was not can updayed, but the Ge...
2001 Volkswagen Jetta GLS 1.8L oil pressure VIN: 3VWSD29M71
Thank you all for your responses. The problem ended up with an easy fix. I put in a new pick up tube. The oil pressure now is perfect. The pick up looked ok on inspection but it didnt allow the oil to flow. I just wanna add to be careful with the viscocit...
2002 Volkswagen Golf GTI VR6 2.8L Misfire VIN: 9BWPH61J62
another shop did replace the clutch and the 6 spark plugs, and this misfire hapend after, so there was nothing wrong with the ignition or fuel system, and there was no code's. I did the thottle relearn and every thing was fine. thanks for all who did reply
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