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International Automotive Technicians Network
Prev Professional Automotive Repair Technical Discussions for July 18, 2004
International Automotive Technicians' Network (iATN) - Members Only
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Open Help Requests for All Makes and Models
Help Request Answers
1991 Chevrolet Blazer Silverado 5.7L MIL Lamp on VIN: 1GNEV18K2M
hello out there-was hoping to get some help on this problem we have-we installed an engine in this vehicle and after you drive for about 10 miles especially up a hill the check engine lite will come and have a est circuit fault-the vehicle immediatly looses po... Trouble codes: 42 (est circuit fault)
1992 Chevrolet S10 4.3L No Start
Truck came in with fuel pressure dropping off to about 20 psi when trying to start I changed the pump and a small section of line. Fuel pressure now remains steady over 50 lbs Still no start condition remained I checked injector signal which is present while c...
1998 Dodge Ram 3500 8.0L engine
Truck came in with a ticking noise in the engine and a missfire. #7 cylinder missing. take out spark plug and plug is burnt. perform compression test - good compression. Take off valve cover, remove rocker arms and perform cylinder leakage test - large amount ...
1999 Dodge Ram 1500 Laramie 5.9L over head lighting VIN: 1B7HC1327X
hey techs,got this dodge truck tinted the windows,guess what now the radio and the interior lights don't work,go figure ever sense i worked on the truck.got power at the radio connector i'm thinking radio is no good.on the other hand the lighting im not sure a...
1996 Ford F-150 Eddie Bauer 5.8L abs VIN: 1FTEF14H1T
have a very low pedal problem.i have replaced rear brakes,2 master cylinders,rabs valve (per recent repair fixes).i have also removed the front calipers to gravity bleed more air out(per recent repair fixes).still low pedal.i've also experimented with the mast...
1989 Jaguar XJ6 3.6L Starter VIN: SAJKV1648J
Car drove in with a no a/c and no defroster. Checked a/c - low on F-12. Purged system and installed new reciever/dryer and converted to 134a. A/c compressor engages and I get cold low side hose, but still no blowers. Removed left blower box assembly and replac...
1991 Lexus LS400 4.0L No Start VIN: JT8UF11E5M
I am going to apologize up front for the long post but this is an involved one. Hope one of you Lexus techs can help. Vehicle was towed in - Customer states car had an extremely bad water leak - she was told it was the water pump and it would be expensive to r...

Fixes & Summaries for All Makes and Models
Fix/Summary Answers
1988 BMW 325is 2.5L Mechanical VIN: WBAAA1308J
Thanks to all for the help first off.About half the people said to get a new head and the rest said to have it welded.I ended up sending the head to Oregon to Aluminum head rebuilders to have it repaired.It looks great and you can`t even see where it was welde...
1989 Chevrolet Cavalier Z24 2.8L Poor Idle Quality, Hesitation, Misfire VIN: 1G1JF11W6K
thanks for all the help. However the cost of repairs so far exceeded the value of the car so they aren't going to fix it. Thanks for all the help. Trouble codes: 42 (est).
1998 Chevrolet Blazer 4.3L Alternator VIN: 1GNCS13WXW
Thanks for all who offered assistance and information. The major consensus by replies was that this vehicle will require a quality alternator, which most standard store alternators, will not suffice. As we found out ourselves. We were not given the time or o...
1993 Dodge Grand Caravan LE 3.3L Hesitation, Surge, Cuts out, Stall VIN: 1B4GH54R4P
thanks for all the advice guys. the customer has been driving the vehicle and living with the problem. the problem is very intermittent. but a couple of days ago the customer came in saying that he fixed the problem. the vehicle was now running very rough. he ...
1996 Dodge Ram 1500 5.9L Hesitation, Cuts out VIN: 1B7HC13Z6T
hello all Customer I had with this complaint decided not to have us pull off cat converter as most everyone of you had suggested was the culprit. We did not have any equipment to check the backpressure at our shop. He opted to pull truck out of our shop and do... Trouble codes: P0300 (Misfire detected), P0302 (Misfire 2 cyl), P0307 (Misfire 7 cyl).
1996 Dodge Caravan ES 3.8L blower VIN: 1B4GP549TB
The problem was not the ignition switch or the relay. The pigtail from the resistor was burned out at the area where it entered the main harness, probably from constant flexing at that spot. The fuse problem was not involved as I was trying to read a 1995 diag...
1999 Dodge Ram 3500 5.9L No Start, died while driving VIN: 3B7MF3668Y
i did take the gamble & replaced the injection pump & it fixed the truck-did not replace the supply pump because the owner told me he had that replace 6 months earlier-i think that is why the injection pump went out because of the old supply pump. sorry it too... Trouble codes: P1688, P1689.
1999 Dodge Intrepid 2.7L water pump VIN: 2C3HH56U1X
first of all, i need to apologize for having posted my help request for this job before i actually worked on the vehicle - one member of the group was disappointed that i didn't follow the posting guidelines - truth is, i didn't really read the guidlines thoro...
2000 Dodge Ram 2500 5.9L starter
most replies said ignition switch and thats what fixed it. thanks to all.
1992 Ford F-150 Custom 4.9L Trans shift VIN: 1FTEX150Y0
First of all I want to thank all 7 people who replied. Most replies suggested checking for rubs or breaks in harness either near the steering shaft or cab attach points for pinching. Also, a good idea is that if the fuse in the underhood fuse blows you will ha...
1999 Ford Windstar SEL 3.8L Hesitation, Surge, Misfire, MIL Lamp on VIN: 2FMZA5349X
thanks to all techs for replies that was it upper intake removed & sure enough egr ports was pluged .cleaned put back together problem is fixed. thanks to all that responed dale;travis;bruce;sean & all others & to iatn Trouble codes: P0305.
2000 Ford Mustang 4.6L Excessive Emissions, Poor Idle Quality, Misfire, Poor Fuel Economy, MIL Lamp on
Thanks everyone for the great information . I was very glad to see that some of you fellow techs felt the same as I in regards to working on a car with an altered emissions system . I just didnt spell that out in the help request . But what I did do was to sho...
2000 GMC Sierra 1500 SL 4.8L Misfire VIN: 2GTEK19V9Y
Hello and thanks for the sugestions. The cat on the left side was plugged. Not sure why or what happened first though. (Chicken or egg?) I will check the injector circuits after I fix the exhaust. (there was some missfire on no 1 as well but 3, 5, and 7 were w... Trouble codes: P0300 (Random Missfire), P0305 (Cylinder 5 Missfire), P0307 (Cylinder 7 Missfire).
1988 Mercury Grand Marquis 5.0L Hesitation, Surge, Misfire
well fellas turned out to be pcm. I checked out every possible thing that was suggested,fuel pressure,fuel volume,pip signal etc... I finally found bad signal,ground side to injectors replaced pcm and seems to be running ok and has not returned. one week so fa... Trouble codes: 41 (lean exhaust), 91 (lean exhaust).
1995 Mercury Mystique GS 2.5L Surge, MIL Lamp on VIN: 1MELM65L2S
Hi have not fixed the car yet customer called has not yet returned to my shop to attempt the fix called but she has not come in yet. thanks for all the great advice I hope it solves the problem. Bob [...] Trouble codes: 332 (not enough EGR flow).
1989 Pontiac Grand Prix LE 3.1L radio VIN: 1G2WK14TXK
thanks for the info after actually finding the radio attach a temp ground wire to it and no whine. Installed a good ground wire and it is up and running again thank you all.. Joe
1993 Pontiac Bonneville SE 3.8L No Start VIN: 1G24252L4P
The car is still not fixed! BUT it will be done! Here is what I know factually: NO injector control signal, all other inputs are good. I have power at the injectors. Good fuel control signal to pcm from icm(purple/ white wire). Good crank siganl to icm, did no...
1994 Saturn SL2 1.9L Transmission VIN: 1G8ZJ557OR
Hello everyone and thanks for the help on this one. We removed the upper shifter housing and found two of the shift forks caught partially engaged. We were unable to find any problems with the the shifter cables so we were convinced there was just enough wear ...
1990 Volkswagen Jetta 1.8L Excessive Emissions, Poor Fuel Economy VIN: WVWPA01G1L
Well repairing intermittents is always a test of patience but wow!!,IATN really did point me in the right direction.Special thanks to Gerald from WI,Joshua from MA,Jeffery from MN,Glen fron CA and John,Byron & Rick fron Ontario.I went directly to the HO2 senso...
2000 Volkswagen Passat GLS 2.8L anti-theft starter interlock system VIN: WVWND23B5Y
Hi, The Passat is fixed. Thanks to Byron and David [...] who both told me to look carefully at the interior light assemblies including the dome and trunk lights for the source of the short. It was indeed in the dome light and when I took it down and shook it ...
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