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Professional Automotive Repair Technical Discussions for May 13, 2005 International Automotive Technicians' Network (iATN) - Members Only |
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Open Help Requests for GM
| Help Request | Answers | |
| 1993 Buick Century Special 3.3L Cuts out, Stall VIN: 3G4AG54NXP Have not been able to duplicate this condition , other than a slight stumble on hard stop once. Only does it for the customer after an hour ride on the highway & then coming down the off ramp to a stop. Always restarts, but will idle rough for a second , befor... |
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| 1997 Buick LeSabre Limited 3.8L tcc lockup VIN: 1G4HR52K2V Have a car here that has no tcc lockup. I am getting code p1870. First time I fixed the car the complaint was that it surges driving up hills. Well with the tech 2 I could command tcc lockup 99% and problem gone. I know gm has the valve body problem so we pull... |
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| 1997 Buick LeSabre Custom 3.8L engine oil pressure VIN: 1G4HP52K7V low oil pressure at idle in gear causing oil guage to read low and a red light comes on.with rpms at 1000-1500 oil pressure is at 60 psi remanufactored crankshaft clearances checked ok.new camshaft bearings.new oil pump and suction tube.car spun rod bearing we... |
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| 1969 Chevrolet CAMARO 350CID a/c VIN: 124379L508 this is a show car i agreed to work on but is becomeing a headache after replace all new parts listed evac and recharge sys 90 degree here pressure show ls 38 hs 160 cools to 55 degrees at 2000 rpm when eng is cold as eng warms up vent temp rises to 68 hs 175 ... |
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| 1990 Chevrolet Corvette 5.7L Poor Idle Quality, Hesitation, Surge VIN: 1G1YY3386L Help please! I have this 90 vette that is killing me. this car runs fine some of the time but most of the time it has a lack of power, a rougher then normal idle and a surge on acceleration below 2500 rpms. Can anyone tell me what the exhaust backpressure shou... |
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| 1990 Chevrolet Lumina 3.1L Poor Idle Quality, Surge, Cuts out, Stall VIN: 2G1WL54TOL this car has been sitting for about 6 mo.i have checked the tune up$did a compression test 150psi on all cylinders i have checked i.a.c motor all ok and no intake leaks,i have also done a injector flush and added 5 gallons of 93oct.fuel.car will run good for a... |
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| 1991 Chevrolet K1500 Cheyenne 5.0L Front wheels VIN: 2GCEK19H6M If I could get some input on this truck,good customer of mine had problems front wheels locing up,He replced calipers(one was seized) and brake hoses.The front wheels will lock up once or twice a day without applying the brakes,does not matter what speed and i... |
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| 1995 Chevrolet Astro 4.3L Hesitation VIN: 1GNEL19WOS Van came in last Oct. with check engine light on. Rich condition. Found Inj. (spider) and plastic pressure & return fuel lines bad. Replace all and Van ran good. This past week customer went on a trip and engine started running rough when pulling a hill. NO CH... |
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| 1997 Chevrolet Blazer 4.3L Fuel Leak VIN: 1GNDT13W9V HELP, I am writing installation instructions for replacing the fuel gauge/fuel pump assembly I just need one queston answered. Does the sealing o ring get placed in the tank and then the sending unit installed or is the o-ring placed onto the sending unit then... |
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| 2001 Chevrolet Tahoe 5.3L whistling noise VIN: 1GNEC13T61 whistling noise heard while lightly rolling the throttle,from idle, to around 2500 to 3000 rpm.no codes,fuel psi@58psi,used smoke machine and propane,and neither found vac leak, fuel trim normal, data stream normal.sounds like possible intake leak,but want to ... |
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| 2002 Chevrolet Silverado 1500 5.3L Brake Drag VIN: 2GCEK19T82 Hello Please help This truck under normal driving will not release front rotors after braking. New calipers, rotors, pads, front and rear. Abs power bleed, manualy bleed. No moisture in fluid. Have not tried master, would suspect if bad would hold front and r... |
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| 1993 Geo Storm 2+2 1.6L Hesitation, Stall VIN: J81RF2361P Ahead of time, thanks for your help! Especially when cold, this GEO starves for fuel when put into gear or when accelerating. On occasion, it dies when put into gear. Carb clean will keep it running. Also boggs down to the point of almost dieing when goosing ... |
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| 2001 GMC Sierra 3500 SL 6.0L Fuel Gauge VIN: 1GDJK34U81 This truck is a rack body, While driving the truck the fuel gauge occasionally drops to empty, The fuel lite comes on also, then a short time later it returns to normal, not the same length of time, sometimes a minute or two, sometimes longer. the condition ex... |
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| 2004 GMC Sierra 1500 SLE 4.8L No Start, Poor Idle Quality, MIL Lamp on VIN: 1GTEC19VX4 Vehicle sometimes has very rough idle, almost missing. Checked for codes, only 1 indicating downstream 02 sensor, changed, however problem still persists. Very intermittent, seems worse with cold damp weather. ALso had vehicle flood itself with when starting, ... |
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| 1988 Oldsmobile Firenza Cruiser 2.0L Hesitation, Cuts out, Stall VIN: 1G3JC5117J this car is causing us to pull our hair out. It runs fine untill you try to pull away from a stop with wot. Then it barks up the intake and stumbles and at times even stalls. It came in last week with this same problem and we subbed a new injector and tps and ... |
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| 1995 Oldsmobile 88 Royale 3.8L fuel injection VIN: 1G3HN52K1S i have this 1995 olds 88 royale car starts but dies right away have cde p1629 passkey ii error not familiar with this sys does it control starter and fuel injection once car is started any help would be much appreciated |
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Fixes & Summaries for GM
| Fix/Summary | Answers | |
| 1991 Buick Park Avenue 3.8L no start no brake lights VIN: 1G4CW53LXM the vat was bad. the customer did not want to spend to money to fix it so he sent it on its way. thank u for all your help. it was the secruity system, this is the first one i have ever dealt with and there a pain in the butt...thanks techys |
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| 2000 Buick Regal LS 3.8L Poor Idle Quality, Hesitation, Surge, Cuts out, Stall, MIL Lamp on, instrument cluster VIN: 2G4WB55K2Y Greetings Iatn, once again you have proven to be the best techs around! Special thanks to Kevin from Minnesota, Randal from Missouri, and Robert from Utah. You all hit the nail squarely on the head! The ignition switch was the culprit. Using the labscope I wat... |
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| 1990 Cadillac DeVille 4.5L exhaust leak VIN: 1G6CD533IL On this particular vehicle, there is a brass plug that goes into the hole. I order the plug from the dealer but unfortunately it was not the correct one. I took a oil drain plug with the correct thread and bolted the hole up. There 2 application for that hole ... |
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| 1994 Cadillac Seville STS 4.6L Cooling system. VIN: 1G6KY5293R After removing the thermo-stat housing & inspecting the waterpump, found that impellor was tight & not corroded as many replies had suggested to check. Gary from Ohio stated the thermo-stat had stuck partially close on one he had previously, and this did line ... |
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| 2002 Cadillac DeVille DTS 4.6L tire presure monitor VIN: 1G6KF57932 I thank you all for your help. I ended up calling a caddy dealership and was told of a possible update to the software in the controller. It was to callibrate the presures showen on the dash.I did not get the update. So I went from 30 psi to 32 psi in all four... |
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| 1984 Chevrolet K30 Custom 6.2L Alt VIN: 1GCHD34JEF this network is great ask and you will recieve got the diagrams and thank you all very much |
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| 1988 Chevrolet Caprice Classic Brougham 5.0L Wiper System VIN: 1G1BU51H9J Several others have experienced the same problem with these old beasts. The simplest solution is to attain the OE setup, complete with washer pump for best results. Unfortunately our local GM dealers sell wiper motors which are identical from aftermarket suppl... |
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| 1998 Chevrolet Lumina 3.1L ABS module After 2 weeks of working on the car, we have fixed it. Found that the right wheel speed sensor wiring at the flex point was broken. This put the ebcm into safe mode. That set the code c1244. After power proping the ebcm with a two battery. we got alot of codes... |
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| 1999 Chevrolet K2500 Suburban 7.4L No Start VIN: 1GNGK26J9X Hello group. I fixed the vehicle before I had a chance to read any replies as our e-mail account was screwed up.Anyway I happened upon an article in Motor Age where someone had written in with the same problem on a Tahoe. The response to their inquiry was with... Trouble codes: P1626 (loss of signal communication w/ vtd). |
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| 2003 Chevrolet Trailblazer North Face 4.2L SRS system VIN: 1GNDT13S03 Thanks for the help,after two outside Air bag vendors attempted to reprogram. I was directed to these people by Progressive,amazingly both wanted to be paid although they didnot fix the problem. They both were told of the nature and repairs before ever showing... |
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| 1990 Oldsmobile 98 Regency Brougham 3.8L Excessive Emissions VIN: 1G3CW54C6L Thanks to all who responed to help me. 2 of the 6 that responed recomended an O2 sensor, saying it was probably lazy this was the answer to my problem. The reason I didn't suspect the, (single wire)O2 is because the scanner was showing cross counts, no codes a... |
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| 1985 Pontiac Firebird 5.0L Poor Idle Quality, Hesitation, Stall VIN: 1G2FS87H3F Hello all that replied to my post! first thing is that I removed the tomco carb. and went back to the old carb. under a closer look at the dist. cap found arc trails from the coil button back to the coil. and the secondery cam was all most gone.readjusted floa... |
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