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Prev Professional Automotive Repair Technical Discussions for June 27, 2010
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Open Help Requests for All Makes and Models
Help Request Answers
1997 Cadillac Seville SLS 4.6L EBCM module VIN: 1G6KS52Y7V
Fighting Trac light. Codes I am Chasing: PO1571, C1277. They deal with the tourque request form the abs computer to the pcm. At first, I had 200Khz, erractic ( 200 to 0) on the request circuit. ( the Orange/ Black wire.) Wiggling the wire harness caused it to ...
1996 Chevrolet C3500 Silverado 6.5L Starting VIN: 1GBKC34F7T
Hi guys, this truck is our ramp truck we bought it this past spring. It has 240k miles on truck but motor has been replaced at some point ,not sure of mileage on motor maybe 50-60k miles? Just a guess. Anyways when the truck is hot and you shut it off it will ...
1997 Chevrolet K1500 Suburban LS 5.7L Transmissioj VIN: 1GNFK16R0V
We are not a trans shop and place that rebuilt unit states there is nothing wrong yet vehicle clunks and shutters going in and out of over drive also will not :"kick down' into passing gear solus scan shows operating normally. Any help would be greatly appreci...
2000 Chevrolet Express 2500 LS 5.7L No Start VIN: 1GCGG25R94
Hi every body. Thanks in advance for your help. I was called to helpwith this problem. This is a van towed from one shop, to this one. It was about a bad engine. When they were ready to fire up the engine after installation of a different used engine, it crank...
2001 Chrysler PT Cruiser Limited 2.4L no clue VIN: 3C8FY4BB61
There is a distinct groan from the front of vehicle every time you start forward from a dead stop. I'm pretty sure it's from the right side but may be more towards the middle. It goes away with in 2 feet and happens only from dead stop. I've been through the a...
2002 Dodge Ram 1500 Van 5.9L Air Bag Light VIN: 1D7HU18Z52
Truck came in with no park/tail lights, problem was power distribution box (fuse/relay box)that was replaced with new oe part along with new oe front control module. Took car of light problem but now air bag light is on ?? check for codes with geneysis and no ...
1998 Ford Mustang 3.8L cooling fan VIN: 1FAFP4041W
fan speed does not change when commanded from low to high with scan tool. am not sure this system has two speed functionality for the cooling fan since there are only two wires going to the fan connector. hope somebody can help verify if this system is or is n...
2004 Hyundai XG350 L 3.5L Air bag light VIN: KMHFU45E74
Has anyone tested this system and could give me some advice on what I should do to make the light go off or does anyone know what the bag ristance should measure of how to test it. Thanks for any help. David
2003 Mazda 6 S 3.0L Timing marks VIN: 1YVFP80D63
This car was bought at an auction knowing it has multiple issues. While checking for correct cam timing I can not determine the correct markings. Alldata and mitchell are vague. Surprise...surprise. I tried to get on the Mazda service information website and i...
1995 Mercedes-Benz SL320 3.2L MIL Lamp on VIN: WDBFA63E7S
Greetings, This car has code 024 O2S 1 G3/2 sensor cold - / / -. According to the WIS, the heater circuit is turned on by the HFM control unit via relay K35. The heater circuit wire from K35 goes though connector X35/15 then to the oxygen sensor 1. When testi... Trouble codes: 024 (O2S 1 G3/2 sensor cold)
2002 Mercedes-Benz c180 komp 1.8L timing chain VIN: WDC2030462
Hi all, i have a 2002 c180k that has misfire code on cylinders 1,2,3,4, knock sensor and p2054 cam codes,p2002 tps, p200a maf. i removed valve cover to find inlet cam appers to have moved 3 teeth and exhaust 1 tooth, when the motor runs it is very noisy. 1. do...
1999 Pontiac Bonneville SE 3.8L Stall VIN: 1G2HX52KXH
I have driven this car on long test drives, over 30 miles without any sign of a problem. This car will stall on the customer at random. Hot, cold, low speed or high speed. I could use any suggestions. I have inspected connectors, pulled wiring, tapped on senso...
2005 Saturn Ion-1 2.2L Stall VIN: 1G8A152F65
We had the trans apart on this car to fix a noise concern. After installation, the engine stalls at idle after stopping. This happens until the car is completely warmed up. We thought the problem may be the TCC solenoid or valve body, so we replaced the soleno...
2008 Saturn Vue XE 3.5L Brake Pedal VIN: 3GSDL43N48
This is my friends wifes car towed it in it would not move under its own power to even load on rollback, its like it was stuck in gear. Customer stated that they hears a noise then the brake pedal went to floor, after i got it back to shop the car moved fine d...

Fixes & Summaries for All Makes and Models
Fix/Summary Answers
2005 Acura TL 3.2L Misfire VIN: 19UUA66235
Well i did the valve adjustment and tightened the head bolts and still the same thing. The valves were a little loose but not much. Looks like im going to let the car sit for a couple days and than take the head off to check what is in there. I also did pressu...
1996 BMW 328i 2.8L Convertible Top VIN: WBABK8324T
It appeared the consensus was a failed microswitch. Despite the fact all switches changed state at different positions of the top/cover. I had asked to go further, explaining to the vehicle owner that this was a "semi-auto" top and that it didnt go all the way...
2005 Buick LeSabre Custom 3.8L Starting VIN: 1G4HR54K05
Thank you for the many replies. I am waiting for this customer to return. I have offered him a loaner car. Some mentioned the cylinder lock may be at fault. We have changed many of the locks but it normally does not kill the AC panel and radio. I may try one a...
1989 Cadillac DeVille 4.5L Hesitation, Cuts out, Misfire, Poor Fuel Economy VIN: 1G6CD515XK
well first off thanks to all that replied and your help is always appricated. And the repair was a ignition coil. even though it never showed anything wrong with it. it was breaking down on medium accel and cruise with a slight load. and even though under full... Trouble codes: 37 (mat circuit shorted), 40 (p/s switch circuit open).
1997 Chevrolet Cavalier 2.2L Engine VIN: 1G1JC1242V
Cleaned MAF sensor and it seems to have fixed the engine. It has been running much better. I will find out when I go to the track this week. Thanks for all the replies and advice. You can see the car in action by looking me up on youtube @ renniweht. Thanks ag...
1999 Chevrolet Malibu LS 3.1L MIL Lamp on VIN: 1G1NE52J4X
Unfortunately, I have yet to fix this car. It's almost like pulling teeth to get the car back to the shop. I had a lot of good replies, and when I get car back, I will unbolt intermediate pipe from Cat to muffler and try to roll a golf ball through it, as this... Trouble codes: P1133 (Pre-Cat Insufficient Switching).
2005 Jaguar S-Type 3.0L Starting VIN: SAJWA01U25
I would like to say thank you to everyone that sent a reply. Some mentioned that a module may not be going to sleep, some mentioned the ignition lock may be keeping modules awake. First I will say that even though I kept the vehicle several days, I was not abl...
2002 Lexus LS430 4.3L Starting VIN: JTHBN30FX2
Well I have to admit I do not know yet whether or not it is fixed but it has not had the starting problem for awhile, we put in a starter relay this time. It is a hard one to figure out.
2006 Other GM coverall van 6.0L No Start VIN: 5B4KPD2U36
well it turns out that another tech in the shop had switched the CKP connector out with one from a 6.0L in a pickup truck. I had to switch terminals A and C around, wire colors were the same, but where the 12V ref was on the 6.0L P/U connector, the signal wire... Trouble codes: P0315 (CKP System Variation not learned).
1997 Plymouth Grand Voyager SE 3.3L Cluster Temp Gage VIN: 1P4GP44R0V
Thanks to Brian in South Carolina. I found the problem was a bad connection at pin #26 of the PCM (Tan w/Black) wiring loom. The previous owner was a shade tree and had removed the PMC and when reinstalled the commector the wire pin was pulled out. I also had ...
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