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International Automotive Technicians Network
Prev Professional Automotive Repair Technical Discussions for July 27, 2005
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Open Help Requests for GM
Help Request Answers
2005 Cadillac CTS V 5.7L tire pressur VIN: 1G6DN56S05
We replaced 2 front tires on this cts V it came with goodyear run flats, but the customer did not want them any more so we installed toyo t1-s 245-45-18. Now the issue when he starts driving the tire pressure sensor start going off in the rear 1st then then fr...
1991 Chevrolet Topkick 427CID Poor Idle Quality, Hesitation, Stall VIN: 1GD57HAM3M
Hello techs, I have this Topkick in my shop which came in with fire damage at the passenger side of the TBI. As GM was unable to supply a new harness, I ordered and installed new plug ins for the EGR, TPS, IAC, Temp sensor and OP sensor. These units were all r...
1995 Chevrolet Blazer 4.3L Cuts out VIN: 1GNDT13W4S
Hi guys, This Blazer has a severe bucking/cutting out only when under load. No problem cold and idles just fine hot. EGR desired and actual 0% at idle and up to 70% under load hot. It came in with no code but was able to set 32 after much testing while power b...
1995 Chevrolet C3500 6.5L inaccurate speed VIN: 1GBDC34A9S
This truck was brought to me in pieces. It was a 350 gas truck. All that was left was a 1998 6.5 diesel and 4l80e transmission on the back of the bed. I have since installed the assembly and made it run with a '98 dash harness, cluster etc. My problem is that ...
1996 Chevrolet K3500 Silverado 5.7L Fuel gauge VIN: 1GBJK34R1T
Hey Guys. We've got this Chevy thats a real problem. Came in with inop fuel gauge and tranfer pump not functioning. Found bad transfer pump (Replaced) Replaced front tank sender assy (No change) When you turn key on gauge will register for approx. 15 seconds t...
2001 Chevrolet Express 3500 5.7L Starter VIN: 1GAHG39R21
The van came in with a no start problem. I finally got it to happen. The van will no crank. Tested ign. switch and almost got to test all the wires and it started. Now it will not do it again for me. I has been to the dealer and they didn't do anything i guess...
2001 Chevrolet Silverado 1500 5.3L No Start, Stall VIN: 2GCEC19T61
This 2wd Silverado was towed in for a stall while driving. Cranks, no-start. Found blown ECM-B fuse. Replaced fuse, 30 mile road test, hours of running while manipulating related wiring harnesses. Problem not found. 11 amp draw on that circuit while running. I...
2001 GMC Yukon XL 1500 SLE 5.3L Pressure
Hi everyone..We have a 2001 Yukon that the a/c works great on for an hour or so..Then with no warning, the high side goes to almost 450 psi and the low side to 90 psi..Engine not running hot, driving down the road the pressures do not drop..I'm suspecting this...
1994 Oldsmobile 88 Royale 3.8L No Start, Cuts out, Stall VIN: 1G3HN52L7R
Hello, vehicled towed in for an intermittent stall( no apparent pattern to it). So we checked the obvious, fuel pressure and spark to start with. Ran vehicle in stall for about 10 minutes and the vehicle began to stumble and miss, finally quit and no re-start.... Trouble codes: P0341
1997 Oldsmobile Cutlass 3.1L hvac VIN: 1G3NB52M9V
if you drive this vehcile faster than 55 mph for an extended period of time the a/c begins to blow warm. no codes set (tech 2) system operates normally and well otherwise- you just cant drive 55! i think there was a song about this once...
2001 Oldsmobile Intrigue GL 3.5L Dash lights, ignition/fuel
I have VIN but iATN kept saying it was invalid. My system tells me it is valaid.VIN '[...]ญญ' identified as: 2001 Oldsmobile Intrigue GX 4-Door Sedan Drivetrain: Front Wheel Drive Transmission: 4-Speed Automatic Engine: V6 3.5L 214cid FI GAS VIN H...
2001 Oldsmobile Alero GL 3.4L turn signal flasher VIN: 1G3NL52EX1
Vehicle came in with the turn signal flasher intermittently clicking while no lights on the dash or vehicle exterior coming on. Replaced the flasher/4way switch assembly in dash. No Help.I am guessing its a turn signal/combination switch at this point.I had a ...

Fixes & Summaries for GM
Fix/Summary Answers
2002 Buick Rendezvous CX 3.4L Compressor? VIN: 3G5DA63E42
I wish I had learned more about the variable output compressor this vehicle has. It was a low charge problem all along (even though it never cycled due to the variable output deal). I lost the job to a local garage that pumped a can of freon (butane/propane cr...
1996 Chevrolet S10 LS 2.2L 5th gear VIN: 1GCCS1947T
i had to replace the main shaft because of to mutch play between fith gear and the shaft.when you would let off the acel the gear would move side to side and walk the syncro slider off. thanks to all that replied
1999 Chevrolet Astro 4.3L starting VIN: 1GKDM19W6X
the problem was the pass key sensor. the van wouldnt start one day tapped on top of ignition switch started up. replaced pass key sensor van has been fine since.
1999 Chevrolet K1500 Suburban 5.7L Misfire, MIL Lamp on VIN: 1GNFK16R6X
customer has not returned with problem after two weeks,we replaced just one plug on offending cylinder-#4.i would not call this a fix just yet.recieved numerous replies with most applying to distributor drive gear wear which we checked-ok.and fuel injector pro... Trouble codes: P0300.
1999 Chevrolet Venture 3.4L Convertor VIN: 1GNDU06E2X
Thanks to all who replied. I have been unable to get this vehicle back into the shop, so I will try to post more info at a later date. I received advice about the solenoid, must be GM part, sludge in the fluid and maybe the trans hard parts are shot, although ...
1999 Chevrolet K2500 Suburban 7.4L 4x4 VIN: 3GNGK26J8X
Ok guys, sorry for the late post, this truck got put on the back burner for awhile, as we are real busy. After only 3 replies and alot of time invested in this, came to the comclusion that all it could be is a bad encoder motor right out of the box. Ordered an...
2002 Chevrolet Impala 3.4L Airbag light VIN: 2G1WF55E32
Yes,this vehicle is fixed.Unfortunately,i wasn't the one who did it.Had sub'd and had a poor connection @ sec stage deploy connector.Snap-on says the new update we're waiting on should scan alot-more body and other functions,we'll see.Finally i want to thank J...
2002 Chevrolet S10 LS 4.3L Electronic VIN: 1GCDT13W02
Thank You everyone It was a bad ingnition sw that everyone told me. ...got it replaced tonight. not much for contacts inside switch. You guys that replied are good Jim
1996 Geo Metro 1.3L No Start VIN: 2C1MR5244T
I made the biggest mistake in auto electrical. The fix was a 15amp fuse under the dash. Thanx for the help anyway.
1991 GMC Pickup K1500 5.0L Poor Idle Quality, Stall, Misfire
Thanks for all the replies, all suggestions were considered. Unfortunatly I could not resolve the issue with this truck. Customer has taken truck to try and put some miles on it, the truck is coming back in next week for another look. Truck still has stall con...
1996 GMC Savana 1500 5.0L No Start VIN: 1GDFG15M7T
Hello again all and Thanks to everyone who offered sugestions. As most of you stated the fuel pressure was to low. I replaced the fuel pump and it starts and runs good. I checked the injector pulse again and found that on the one cylinder the light still glows...
2002 GMC Savana 3500 5.7L Mechanical VIN: 1GTHG35R32
Well this van is finally gone! After much aggrivation though . First I'll start with the misfire problem . We scoped the crank sensor, cam sensor ignition system couldnt feel the miss but check engine light would flash intermitantly sometimes it would get a p0...
1987 Oldsmobile Delta 88 Royale 3.8L Excessive Emissions, Poor Idle Quality, Stall, Poor Fuel Economy VIN: IG3HY5435H
thanks to all those who replied we finally got a mass air flow sensor in this morning for this veichle and the car is running great even thou the customer had stated he had already put 2 on. thank you again for all the replies tim @ james auto center and james...
1990 Oldsmobile Cutlass Supreme 3.1L front end VIN: 1G3WS51TXL
Sorry in the delay of closing this .It was my plugs that were fouled i went for a trip down to Toronto 495 km from here race all the way and bingo it must have clean up all the carbon on my plugs But runs great now so i will change the plugs I'm not sure but d...
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