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Professional Automotive Repair Technical Discussions for July 11, 2006 International Automotive Technicians' Network (iATN) - Members Only |
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Open Help Requests for GM
| Help Request | Answers | |
| 1991 Buick Century Custom 3.3L No Start, Cuts out, Stall VIN: 3G4AH54NGM this is my girlfriends car it was sitting for a month because it belongs to here mom to want to fix it anyways this car has a no start cond i charged the battery yesterday it cranked started and died no codes present with my snapon scanner i check the fuel pre... |
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| 1999 Buick Regal LS 3.8L Unknown VIN: 2G4WS04K4W This vehicle came to me with a very intermittant cutting out problem and ocassionaly it would take two to three tries of the ignition to remove the key. I scanned the vehicle and found multipe comm codes. I drove the vehicle over a few days and it finally quit... |
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| 1982 Cadillac Fleetwood Brougham 4.1L ecm VIN: 1G6AB6989C I have no injector pules on this vehicle but I can activate the injectors if I ground the injector circuit at the ecm. |
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| 1998 Cadillac Seville SLS 4.6L hvac -ipc display VIN: 1G6KS54Y6W hello, i have a 1998 seville with no vf lights except for radio. have good power and ground to ipm except for 55 volt display feed. cannot find if voltage on circuit 1369 yellow wire is coming from ipc to ipm or visa versa. any insight would be appreciated. |
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| 1991 Chevrolet Camaro RS 3.1L No Start, Poor Idle Quality, Cuts out, Stall, Misfire VIN: 1G1FP23T8M Camaro towed in/died while driving. Started/died. Similar to previous problem and replaced coil. Car perfect, went for test ride and died/restarted several times, seemed mostly if I floored it. Believe good Fuel press + quantity/Injector pulse/Always has spark... |
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| 1993 Chevrolet C3500 Cheyenne 5.7L No Speedo VIN: 1GBJC34K8P The Dealer Said The VSS Buffer Has To Be Ordered, Does Anyone Hae A Good Way To Test The Rest Of The System ? |
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| 1994 Chevrolet Camaro 3.4L timing VIN: 2G1FP22S1R Vehicles like this make me wonder if I should even consider myself a technician. And thank you in advance for any and all help. What I have is a vehicle towed in as a no-start. I try it and it starts, but during cranking and very regular, it cranks like out of... |
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| 1998 Chevrolet Lumina 3.1L abs light VIN: 2G1WL52M1W I have this 97 lumina car with a constant abs light on,no codes stored.unable to turn light on or off with scan tool (my solus doesnt have this capability nor does my brother inlaws modis).I have already replaced the underhood fuse box due to original one havi... |
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| 1999 Chevrolet S10 LS 4.3L MIL Lamp on VIN: 1GCCS19X5X This vehicle was recently towed to our shop for a no start condition. The vehicle started perfectly time and time again after we got it off the tow truck. We found no problems. However two days after releasing the vehicle back to the customer it was back again... |
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| 2000 Chevrolet Silverado 1500 5.3L no start VIN: 1GCEK19T8Y Truck was tow in to shop owner said it died on road he put a new ac fuel pump in tank still no start. checked all fuses none bad, checked grounds all tested good,tested ignition switch per mitchell all but acc. would ohm out replaced switch still no start any ... |
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| 2002 Chevrolet Astro 4.3L No Start VIN: 1GCDM19252 We have this van here with an intermittant no start. Finaly got it not to start here at the shop and discovered we had no fuel pressure. The van had a crank signal. It wasnt disabling the fuel pump which i think rules out antitheft system. Checked for power/gr... Trouble codes: P0341 (History Code), P0341 (History Code), P1122 (History Code), P0122, P0300 (Engine misfire detectedfail since clear), P1122 (History Code) |
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| 2003 Chevrolet Suburban 1500 LT 5.3L compressor belt tensioner VIN: 1GNEC16ZX3 I have two Chevy Suburban in the shop with a vibration from the A/C compressor belt tensioner, at about 2000 rpm. Is there another fix for this other than replacement of the compressor, and if not, is the cause oil sludging in the compressor? Would appreciate ... |
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| 2004 Chevrolet S10 LS 4.3L steering box VIN: 1GCDT13X64 vehicle came in for leak (slight) in steering system. other techs have replaced box and pump 4 times, keeps on blowing steering shaft input seal. after pump and box replacement steering is jerky to the right only until seal blows. any help tremendously appreci... |
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| 1995 Oldsmobile 88 Royale 3.8L MIL Lamp on VIN: 1G3HN52K8S hi guys have this vechile here engine was replaced with a junk yard one.as soon as it is fired up mil light kicks on with po325. have replace ecm prom and icm also have 5 volts at the knock sensor wire also replace knock sensor . any help please thank you ahea... Trouble codes: P0325 |
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| 1996 Oldsmobile Bravada 4.3L Engine noise Hi all, this customer came in several months ago with what he and I beliaved was a noisy lifter, not very bad at the time. He opted to try some STP in the oil, and it did help, noise not completely eliminated but much better. Over time the noise did get worse ... |
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| 1966 Pontiac parisienne 350CID hydraulics VIN: 5764670148 Hi Group: Need some help with bleeding the air out of this system. A bit of history first. Last summer customer brought in car, top inop. Found bad control switch & worn pump motor for top. Replaced switch, and rebuilt motor, every thing A- OK. Customer happy ... |
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| 2000 Pontiac Sunfire SE 2.2L fans VIN: 1G2JB1243Y thanks in advace to all.this sunfire towed in this am temp gauge into red coolant boiling out bottle when key shut off.replaced t stat filled coolant ran until 225 deg.cooling fan comes on shut off at 214 deg.turns back on 30 seconds later and wont shut off.co... |
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| 2001 Pontiac Firebird 3.8L No Start, Poor Idle Quality, MIL Lamp on VIN: 2G2FS32K71 car came in for no power and mil light on. the car only had the one code p1518. replaced fuel pump for low fuel pressure. the car seem to be ok, took the car out and everything was ok and would start every time. the car sat for half a day, customer came to pic... Trouble codes: P1518 |
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| 2005 Pontiac Grand Prix 3.8L blower motor VIN: 2G2WP52205 replaced blower motor module the next day the car was back blower running.look up tsb #05-01-39-001A,installed capacitor.he says when he turns wipers on in the morning then turns car off the blower stays running.thanks for any help.william |
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| 2000 Saturn LS1 2.2L Misfire VIN: 1G8JU52F2Y This customer has had this problem for about 2 years now. the car will missfire at idle with ac on only, in gear only. the missfire sets no codes at all. once you come off idle car runs fine, sometimes it will do this missfire and sometimes it won't. Just wond... |
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Fixes & Summaries for GM
| Fix/Summary | Answers | |
| 2000 Buick Regal LS 3.8L HVAC Controls VIN: 2G4WB55K3Y The problem ended up being a bad contoct in the ignition switch causing voltage to the HVAC control unit to drop. The strange thing was that the HVAC system would not turn off when this happened, and even stranger I had communication the whole time with the te... |
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| 1996 Chevrolet Camaro 5.7L Surge, Misfire VIN: 2G1FP3T213 Hello fellow techs. This Camaro from hell is still not fixed. I wanted to thank all who responded. The client took the vehicle back as he went on holidays for 3 weeks. We came to the conclusion that the missfire fault (Cruise only) had to be distributor relate... Trouble codes: P0134. |
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| 1998 Chevrolet Lumina 3.1L 3-4 shift VIN: 2G1WL52M2W thank you for all replies. got a lot of useful information. all driveability issues test out fine. do not have a backpressure problem. everyone was very helpful but at this time customer decided to wait on any repairs. could not pinpoint problem. thank you aga... |
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| 2001 Chevrolet 8500 .0L alarm Steve [...] is a wizard. By wiring in a relay exactly as he described the pump and alarm works flawlessly and we are able to wash the streets in our little town. |
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| 2001 Geo prizm 1.8L MIL Lamp on VIN: 1V1SK54871 The fix was the vaccum lines on the purge solinoid were backwards. Hope that others can learn from my stupidy. Trouble codes: P0446, P0441. |
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| 2000 Oldsmobile Bravada 4.3L Charging VIN: 1GHDT13W9Y The fix for this charging problem was simply a remanufactured alternator from GM. It has been a couple of weeks now and it has been ok. But one thing does worry me - the alternator gets very warm after only about 45 seconds, so we'll see if it lasts. Thanks fo... |
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| 1990 Pontiac Bonneville LE 3.8L Cuts out, Stall, MIL Lamp on VIN: 1G2HX54C6L Thank you all for your help. I was stuck in a rut, and I could not see my way out of it. I was convinced that I messed something up on my previous repairs but I didn't. Woo hoo. It was the mass air flow sensor. The MAF from the junk yard was junk. I put in a n... Trouble codes: 34 (Mass Air Flow sensor Circuit Gm/SEC Low). |
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| 2001 Saturn L200 2.2L high idle VIN: 1G8JU52F71 Well thanks to all that replied. Sorry for taking so long to close but wanted to make sure car was not going to come back. Changed the tps and pigtail and have had no problems since. I did check for vaccuum leaks and there were none coolant temp sensor never d... |
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