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Prev Professional Automotive Repair Technical Discussions for November 10, 2006
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Open Help Requests for GM
Help Request Answers
1990 Buick Skylark 3.3L Cooling Fan/Engine VIN: 1GYNM1YN0L
Hello All, have a puzzling problem with this vehicle. This engine seems to hold the heated coolant apparently too long. I know, you'd think a thermostat would solve the problem, but it has not. I have replaced this thermostat about 4 times within the last year...
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1993 Buick Century Custom 3.3L Poor Idle Quality VIN: 1G4AG53N6P
customer complaint is that when driving at 70-80 kmph and releases the throttle the car maintains that speed and if the vehicle is shifted in neutral the rpm stays around 1200 rpm.we have scanned it and found that the desired rpm(at operating temp ) is 700 rpm...
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2001 Buick Century Custom 3.1L Stall VIN: 2G4WS52J01
I have this Buick that sometime dies when driveing and when you pull to the side of the road it starts right back up and runs good, sometimes it will it will pick it self up before you get pulled to the side of the road. then other times it will die and take a...
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1995 Chevrolet P30 5.7L 2/3 shift limp mode VIN: 1GBHP32K5S
hi guys thanks for reading,,, truck came in stuck in 2nd gear ( limp mode ) dropped pan and replaced 2/3 shift solenoid , replaced brake switch,, cleared codes and road test,, everything ok dokey,, customer came back next day and said was doing same thing,, as...
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1996 Chevrolet Blazer 4.3L abs system VIN: 1GNDT13W8T
I'm having a problem with ABS code C1245. My scanner read out says "RF channel will not move" I've checked the 1996 dealer service manual and it only list two digit codes. I also checked a 1998 dealer service manual which lists four digit codes but there's no ...
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1997 Chevrolet Malibu 3.1L ride control VIN: 1G1ND52M9V
This vehicle stiil has very hard suspension can not push vehicle down while pushing up and down on car .Continually waers out struts within 3000 miles. Can not find problem; any ideas?
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1997 Chevrolet Corvette 5.7L Magasteer 2 VIN: 1G1YY22G4V
Hi Corvette guys: This car runs and steers fine. The only indication of a problem is the Service Vehicle Soon that appears on the IP shortly after the steering wheel is turned after start up. The code C1281 is set. I have been through the diagnostic procedu...
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2000 Chevrolet S10 2.2L master cyl VIN: 1GTCS1456Y
this truck in really wierd if your going forward brakes are fine every once in awhile pedal goes to floor but if you are in reverse the pedal goes to floor all the time. I was told that there still might be air in controller that I need to go out and slam the ...
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2000 Chevrolet Tracker 2.0L Speedometer VIN: 2CNBJ13C8Y
Speedometer and odometer are inop. This vehicle has been in a frontal impact accident. It has new hood, fenders & grill. Pulled test proceedure from Shop Key and all tests were good. Looked at VSS output with Tech 2 and it tracked MPH correctly. Tested wiring ...
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2003 Chevrolet Impala 3.8L Starting VIN: 2G1WF52E63
car came in as a no crank, would start if i pulled out one of the bcm fuses, (thts how i got it in the garage) i installed a new ign. switch, ( mounted in the dash, not the column) i turned on the ign. switch to do the relearn 10 min. at a time for three times...
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1999 Oldsmobile Bravada 4.3L heater VIN: 1GHDT13W1X
This bravada will not heat. It has an automatic temp control system. The heater core flows good, but the blend door will not move. Tested the wiring at the back of the control head going to the motor and did not get any voltage change, put used head in and whe...
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2000 Oldsmobile Silhouette Premiere 3.4L MIL Lamp on VIN: 1GHDX13E6Y
Alright,here we go.Customer states that when under load check engine light comes on.Found codes listed above.Freeze frmae data showes both codes set with engine conditions as follow!..71% throttle,73 mph,temp 194f,engine load 79%,eng rpm 3954..Test drove under... Trouble codes: P0131 (low voltage bank 1 sensor 1), P0137 (low voltage bank 1 sensor 2)
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1997 Pontiac Grand Am SE 2.4L passkey system VIN: 1G2NE52T9V
After replacing lock cyl. from dealer due to inop keys, relearn procedure fails to work. Mitchel says, to start car and after it stalls leave ign. on until theft system light stops flashing (approx. 10 minutes) then turn ign. off. This is supposed to be the ex...
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2000 Pontiac Grand Am SE 3.4L MIL Lamp on VIN: 1G2NW52E64
We're pulling our hair out on this one. C/E light will immediately light when monitors reset. As told in related repair history, the system has been tested and possible sources of leak worked on and subsequently ruled out.This last round we found a gouge in th... Trouble codes: 0440 (small leak in evap system)
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Fixes & Summaries for GM
Fix/Summary Answers
2002 Buick Rendezvous CX 3.4L Air bag VIN: 3G5DB03E32
A BIG thanks to all that replied. The fix was a new clock spring assembly. This also took care of the lack of control problem the customer was having with the radio control switchs in the steering wheel. Seems everything travels through the clock spring unit. ...
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1982 Cadillac Cimarron 1.8L speedometer VIN: 1G6AG69G6C
I had already removed inner cable and lubed prior to my post, but the responses from a few others as to companies that make cables were very helpful. James [...] recommended Auto Tech in Tucson. Their web address is www.speedometers.com, phone number is 1-800...
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1986 Cadillac Fleetwood 5.0L Charging VIN: 1G5DW69YXG
Thanks for all the help. One of you told me to check to see if I could spin the alternator by hand so I did and I could. So we investigated further. We found that the water pump was bad causing us not to get enough tension on the alternator as well as making t...
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1991 Cadillac DeVille 4.9L veh speed inc by it VIN: 1G6CD53B6M
A dumb mistake is what caused this. When I checked to see if the throttle was against the throttle stop screw, it was. What I failed to notice was that someone had turned in the throttle stop screw, so that the throttle plates were open at idle. I guess the pc...
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1994 Cadillac Fleetwood 5.7L starter VIN: 1G6DW52P9R
sorry about delay,the car is fixed but the customer has not picked it up yet,i have been driving it to lunch everyday,it does not have problem anymore,anyway the cure was the body control module in the trunk,replaced it once because of testing to verify failur...
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1995 Chevrolet Camaro 3.8L Poor Idle Quality VIN: S4S2152003
Thanks for ALL OF THE RESPONSES, The problem ended up being the coil pac, I recieved alot of good tips on fuel pressure regulators, injectors etc, but being as the only way to get this car to stop acting up was to turn it off and then back on we were leaning t...
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1996 Chevrolet Blazer 4.3L Shift Motor?? VIN: 1GNDT13W9T
I recieved 3 replies on this one, one with fail safe test procedure - if you are getting power to the motor, disconnect the battery for couple of minutes and if motor works perfectly now you have a bad motor - but make sure your transfer case shifts manually f...
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2004 Chevrolet Trailblazer EXT LT 4.2L Poor Fuel Economy, MIL Lamp on VIN: 1GNET16S94
Sorry about the delay in closing this help request. It took a while to come up with the fix and I wanted to be sure it was not going to come back. First of all I wanted to let everyone know that this model vehicle does not have a MAF sensor or spider injector ... Trouble codes: P0131, P1133, P0171, P0172.
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2005 Chevrolet Silverado 3500 6.6L No Start VIN: 1GCJK33275
Tahnks for the replies, I think William from Michigan was right on. It looks like we just had to let it purge itself. Customer has had it for 2 days now with no further problems
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2001 Saturn SL1 1.9L Cuts out, Stall VIN: 1G8ZH54831
Well sometimes the thing that makes most sense is overlooked. As I said car had the same symptoms as the first breakdown that the fuel pump fixed. Guess what? The fuel pump fixed it again. Yep a defective OE pump from the dealer. After checking all grounds inc...
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