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Prev Professional Automotive Repair Technical Discussions for April 7, 2009
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Open Help Requests for GM
Help Request Answers
1996 Buick Park Avenue 3.8L alarm VIN: 1G4CV219TH
last week this car came in and we found that the key fob he had was inop the only thing it would do was work in paniac mode. would lock our unlock also wound not open trunk. we went and got a new fob and had it programed. he came back today and is still having...
2000 Buick LeSabre Limited 3.8L blower motor VIN: 1G4HR54K9Y
module replaced twice both times the fan will work for up to a month than quits also if you unplug the module the fan will work again i have had dealer look at it they just wanted to replace the motor and module agian has had factory parts my scanner will not ...
1976 Chevrolet Malibu 5.7L electric windows VIN: 1D37V6R415
Customer has a vey nice car but would like his windows to work. just one day they would not operate. Fuses test good, circut breaker in fuse box is hot. The master switch has no power to it. At left kick panel there is a 3 prong relay with 12volts on the orang...
1991 Chevrolet Camaro RS 3.1L No Start, Stall VIN: 1G1FP23T4M
this car is creating a problem for us... it has spark, fuel pressure, and a weak injector pulse, but yet will not start. i do not want to start throwing parts at this vehicle but yet that is what seems to be happening. we replaced some bad tune up parts first....
1995 Chevrolet C2500 Cheyenne 6.5L Poor Idle Quality VIN: 1GCGC29FXS
Now engine is replaced vehicle still has same problem. You step on throttle and engine goes up to 5000 rpm and stay there untill computer shuts it down or key is turned off. scan data for injector pulse width is 1.95 koeo 2.20 koer. NO matter how fast engine r...
1995 Chevrolet Astro 4.3L Forward gears VIN: 1GBDL19W9S
Hi guys, Another tranny amateur mucky-ing up the waters here. I would appreciate any advice. Rebuilt the 4L60E. Customer came in with no movement in any gears (maybe a slight nudge in reverse). Fluid was burnt. Inspected all internal components, replaced all...
2002 Chevrolet Cavalier 2.2L Cooling Systems VIN: 1G1JC52462
hello all, help!! we have this cavalier that runs about 220-230 deg. and fan stays on.On the block side of the thermostat coolant is 200 deg. and radiator side it is 110 deg. And there is very little heat coming from radiator. Replace thermostat 3 times with d...
2001 Geo F250- 4x4 7.3L Steering VIN: 1FTNF21F51
I have serviced this truck since new. Just came in today with a darting condition. It has had no recent repairs. Had a power steering pump for no brakes a year ago. If driving at slow speeds about 30 it will quickly turn to the left. The truck does not slow do...
1996 GMC Jimmy 4.3L Surge VIN: 1GKDT13W9T
thanks in advance guys, i am going crazy with this one. no codes and very intermitant.vehicle will start hunting like starving for gas rpm start bouncing from 1000-2000. slow almost to a stop and vehicle will drive normal again.customer states most often comin...
1987 Pontiac Bonneville LE 3.8L stuck in 2nd gear VIN: 1G2HZ5130H
no 1st gear, starts in 2nd gear, will not upshift at all no matter what speed or engine rpm. Reverse is good. I rebuilt it 5000 miles ago for worn out 4th gear. When i tore it down everything looked remarkably good. It really is a little 88 year old ladies car...
2001 Pontiac Bonneville SE 3.8L Interior lights VIN: 1G2HX54K81
This one is getting the best of me, I have a 2001 Boneville that has intermittant interior light operation, Most of the time if you open the doors the lights do not come on, If you use the dash switch they work fine. I see the RIM controlls this, The RIM will ...
2002 Pontiac Firebird Formula 5.7L MIL Lamp on VIN: 2G2FV22G02
Hello out there, have a issue with secondary air pump bank two code, we swapped o-2 sensors, replaced air pump, tested check valves and hoses, and it still comes back with p1416, fuel trims look good, what am I missing? Trouble codes: P1416

Fixes & Summaries for GM
Fix/Summary Answers
1991 Buick Regal Custom 3.1L headlights VIN: 2G4WB54T2M
It is fixed. About 8 guys replied saying to look for a bad ground. several said a headlight switch. some said the multi-function switch is common. Dan [...]. from Texas wins the kewpie doll here. He proposed a bad fusible link and gave me some wiring help out of ...
1999 Cadillac Catera 3.0L Hesitation, Misfire VIN: W06VR52R1X
Thanks to everyone for your help. The fuse was good and I found that the heater wire to the O2 sensor had been cut about 3 inches about the plug. I fished the harness up into the engine compartment and fixed the wire. Thanks again to everyone offering their he... Trouble codes: P0155 (Bank 2 O2 Sensor 1 heater circuit failure).
2002 Chevrolet Corvette Z06 5.7L temp VIN: 1G1YY12S52
Thanks all you guys who reply. what i learn that it nomal condition, coooling fan does comes on at 230 deg. with a/c off gauge goes to 20 deg and when fan comes on goes back to 220 deg.with a/c on fan stays on and gauge stays at 220 deg.
2002 Chevrolet Trailblazer LS 4.2L Poor Idle Quality, Stall VIN: 1GNDT13S32
I replaced the throttle body and did the idle relearn The truck works great now Thanks for all the helpfull replys
2004 Chevrolet Silverado 2500 HD 6.0L No hydroboost assist VIN: 1GCHK23G84
Well guys i hate to close one with out an answer but i really dont have one for this truck. Some suggested that it was the power steering pump which we replaced with an aftermarket. We replaced the hydroboost with a GM unit still no change, check for binding p...
1995 GMC C3500 Sierra SL 6.5L No Start, Cuts out VIN: 1GDKC3AFXS
Hi again. I have fixed this one. Thanks for all the replies. First off, my cts readings were erroneous. I had read in the archives about the same problem and a few had tried different scanners and read correctly. I have three scanners in the shop, a Solus Pro,...
2005 GMC Envoy SLE 4.2L head VIN: 1GKDT13S15
yes all bolts were oem yes the treads were tapped no they don't bottom out there is 1/2 in. more in the block yes yes the bolt holes were cleaned and dry i also cut off the washer to see if the bolts can get locked up no they can't the thread is m11/2.0 so i a...
2002 Pontiac Grand Am SE 2.2L Poor Idle Quality, Stall
Thank you to those who replied to my request. Everyone was of the same opinion that I should check the timing chain. I had already done all my basic checks and was leaning towards the chain but it is nice to here from someone who has already been there. So af... Trouble codes: P0300.
2003 Pontiac Vibe 1.8L No Start VIN: 5Y2SL62843
ok thank you all what it was is that the connection in the under hood fuse panel small black/white wires connector was not seated all the way in to fuse panel and the cover for fuse panel would push the harness opening the connection thats why it wouldnt act...
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