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Prev Professional Automotive Repair Technical Discussions for March 14, 2008
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Open Help Requests for GM
Help Request Answers
2003 Buick LeSabre Custom 3.8L engine VIN: 1G4HP52KX3
i replaced the engine in this vehicle because the last one was bad from no coolant after front end collision and the customer kept driving it.after installing the used engine i had it running for about 20 min and it ran great and then it started to miss very b...
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1998 Cadillac Seville STS 4.6L instrument cluster, a/c control head VIN: 1G6KY549XW
well everyone..here we go. this 1998 cad sts has no instrument cluster opperation or lighting. also have no dlc communications. speeddo and tach stuck in various positions. no climate control head lights either. we have a duplicate car here and have replaced t...
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1990 Chevrolet G20 Sportvan 5.7L Stall VIN: 2GBEG25K6L
about every 3 months this van stalls. No sputering/coughing just quits. Usually during slow manouvers (Ie parking lot manouvers or slowing for a turn) NO codes; has had plugs filters etc; ps pressure system ok; fuel trims ok; restarts without trouble; always s...
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1991 Chevrolet V3500 Silverado 6.2L frame VIN: 1GCHV33N3M
Hi everyone.I have recently purchased a fifth wheel hitch and I am looking for the best location in wich to mount.My truck is a crew cab dually 4x4 with an 8 foot box.My first idea from past expierience is to mount it 2 inches ahead of rear axle centre to prov...
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1994 Chevrolet C1500 Suburban Silverado 5.7L Excessive Emissions VIN: 1GNEC16KXR
Howdy Boys n Girls! My favorite customers in with a Sub that fail emissions, we put a converter on it 30k ago and now it looks lazy, the fuel trims are hovering about 104 long term. This all started when they started using Race Trac gasoline a couple of years ...
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1995 Chevrolet K1500 5.7L light burning VIN: 2GBEK19K4S
I want to thank you for any help you can offer me. This truck came in with abs light on. We installed our scanner and got three codes,abs module,dump valve and a solenoid valve code. We replaced the abs module and cleared all codes. We then test drove the truc...
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1996 Chevrolet C1500 4.3L Cuts out VIN: 2GCEC19W2T
Hello everybody, we could use your help. Pickup came in from another shop after they replaced the fuel pump relay for a no start condition. Soon afterwards (after truck was ok for a few days) truck started to misfire and cut out and stall occasionally. We solv...
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1996 Chevrolet K2500 Suburban LS 7.4L Excessive Emissions, Poor Idle Quality, Hesitation, Stall VIN: 3GNGK26J1T
This starts right up first thing cold when it get to operating temp. the idle rolls from 600rpm-1200rpm. At operating temp. once in a while it has a hard start problem. The STFT is 128, LTFT is about 132 on both banks. MAP is 1.99-2.17 volts MAF is 8.1-8.6 gls...
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2001 Chevrolet Lumina 3.1L elec.brake module VIN: 2G1WL52J01
abs light on full time no comunication at all with the scanner i tried to replace the brake module i also replaced the brake relay as well as the abs module after all this i still have no comunication at all .brake module has battery feed as well as ground .i ...
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2003 GMC Sierra 1500 SLE 5.3L MIL Lamp on VIN: 1GTEK19TX3
I have codes 461 and 463 fuel sender volts high the gas guage reads empty. I changed the fuel pump and sender assembly and for 10 mins the gas gague read full after turnning the truck off and restarting it the guage read empty. I let it sit for a while and the... Trouble codes: 461 (fuel level sender), 463 (fuel level sender volts high)
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2001 Pontiac Grand Prix SE 3.1L Hesitation, Surge, Cuts out VIN: 1G2WK52J21
vehicle stumbles on light acc.Power braking it runs great.Only accurs when front axle is turning.Oxygen sensor goes into open loop .runs great when stepping on the brake and immediately goes into closed loop.Thanks in advance if you can help
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Fixes & Summaries for GM
Fix/Summary Answers
2004 Buick Rendezvous CX 3.4L lock cylinder VIN: 3G5DB03E44
Thank you all who tried to help. We ordered the PS2 tool kit from A-1 Security Manufacturing (order was lost and it took 3 weeks) as recomendeed by 2 of you, but we have been unable to unlock with these tools. We pulled the plastic wing off and looked at the...
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1998 Chevrolet C1500 Cheyenne 4.3L No Start, Stall VIN: 1GCEC14W8W
Thanks to all who replied to my help request. Several replies suggested the vtd module may be bad so I rechecked power and grounds to the module, they where good. Next I check for power coming from module to passlock sensor,this is a red and white wire, and n... Trouble codes: P1626 (Pass lock data invalid).
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2004 Chevrolet Avalanche 1500 Z66 5.3L 4x4 VIN: 3GNEK12T14
WELL THIS TRUCK HAS BEEN OUT OF THE SHOP NOW FOR A COUPLE OF DAYS AND EVERYTHINGS WORKING FINE.THANKS TO ALL THE MEMBERS FOR YOUR INPUT. ALEX AT TRANSMAN SEEMS TO HAVE NAILED IT. THOUGH MY SYMTOMS SEEMED TO DIFFER SLIGHTLY, ALEX GOT ME ON THE RIGHT TRACK. AFTE...
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2005 Chevrolet Malibu 2.2L Hesitation, Misfire, MIL Lamp on VIN: 1G1ZS52F34
Well it seems to be the customr and myself were causing this code, the vehicle has an electronic throttle control so at the time of the misfire we were snapping the throttle which wouls cause the thottle plate to activate rapidly and then the map sensor and tp... Trouble codes: P106.
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1998 GMC Savana 2500 4.3L MIL Lamp on VIN: 1GTFG29W3W
Thanks for all of the replies. Several of you were right. The trick is to leave your foot on the brake through the entire procedure. I actually have ran into this problem before but I was burnt out on this job at that point. Again thanks for the help. Trouble codes: P1336 (Crankshaft position variation not learned.).
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2003 GMC Envoy SLT 4.2L 4wd VIN: 1GKDT13S43
THANKS TO ALL WHO RESPONDED IT WAS THE TRANSFER CASE GOT ONE WITH 40,000 MILES FOR 400. NOT BAD AND CUST HAPPY THANK YOU FOR THE REPLIES
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2000 Oldsmobile Silhouette Premiere 3.4L idiot lights VIN: 1GHDX13E8Y
Well, I must close this by request, but the customer went on vacation and has not yet returned. However, I am considering using a salvage yard unit for a repair attempt rather than busting the customers pocketbook on the hugely overpriced new components. One r...
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1999 Pontiac Grand Am GT 3.4L coolant VIN: 1G2NW12E3X
first thanks to all that replied. we removed oil sending unit and pressureized oil system no air in coolant. i have seen and done many intakes on gm vehicles. but never saw oil in coolant. we removed cylinder heads and sublet for pressure test. ok. replace all...
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2000 Saturn LS1 2.2L No Start, MIL Lamp on VIN: 1G8JU52F4Y
It ended up needing a coil and module assy. I was able to purchased he parts seperately, so I tried each part by itself. I did not get good spark until I used both parts. We did pull the valve cover, and everything looked ok with the chain. Thanks for the help
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