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Professional Automotive Repair Technical Discussions for January 19, 2005 International Automotive Technicians' Network (iATN) - Members Only |
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Open Help Requests for GM
| Help Request | Answers | |
| 1996 Chevrolet Cavalier LS 2.4L hyd lifter VIN: 4G1JF32T8T This thing came in running, but overheating, we performed a block test,failed, sold a head gasket job. no big deal. Got it done, it started,ran 10 seconds and died. Rechecked timing chain ok, has spark, fuel, no compression. let it sit for an hour or two, it w... |
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| 1996 Chevrolet Beretta 3.1L valves VIN: 1G1LV15MXT I've done these 3100 intakes many times with no problems until now. it was very sludged up with dexcool oil mix, i've done some that looked just as bad and everything went well, and everything seemed to go well on this one until i went to start it, it had that... |
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| 1997 Chevrolet Cavalier 2.2L Excessive Emissions, Poor Idle Quality, Hesitation, Cuts out, Stall, Misfire VIN: 1G1JC1242V has new front and rear o2 sensors all new injectors and plugs, wires, oilchange , reset fuel trims, no codes but has rough idle and shows misfire on cyl 1 sometimes a secondary miss will occur on ajacent cylinder this only happens at idle, off idle is fine the... |
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| 1997 Chevrolet Malibu LS 3.1L gauges and codes VIN: 1G1NE52M5V gotta hot 1 ,,,any help would be greatly appreciated this car came in last july,, abs light on,, brake light on , temp gauge not working and battery light on. plus key chime and ac not working,,,tried to get codes no communication, measured voltage at ign swi... Trouble codes: P0134, P0300, P0135, P1654 |
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| 2001 Chevrolet Impala LS 3.8L temp gage VIN: 2G1WH55K61 cleared code tested in shop with scanner temp go up normally on scanner and gage working in shop quit again after car left shop |
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| 1994 GMC K2500 Sierra SL 6.5L MIL Lamp on VIN: 1GTGK24F0R hello all, i repaced the computer on this truck and i would like to know if there is any way to do a TDC offset learn without a TECH1 tool i have red brick, and it is telling me must be done at factory.Alldata is also saying you must use TECH1. Any help would ... Trouble codes: 88 (Top dead center offset) |
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| 1995 GMC Safari 4.3L Misfire VIN: 1GDDM19W4S I found a quick fix that matched my problem of stalling on decel. It said to check the A/C voltage from the pickup coil in the distributor, specs were .7 volts. I did and it was .450 volts. Had one of my men put it in while I was out of town and it ran worse. ... Trouble codes: 36 (idle air control) |
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| 2003 Oldsmobile Alero GL 2.2L Starting VIN: 1G3NL52E33 Car came in on the hook at the end of the day with a NO CRANK complaint. Tried to start vehicle and headlights/warning lights go off in the start position return in the on position. Used remote starter with key on, cranked normally but no fire. Suspect PASSLOC... |
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| 1994 Pontiac Firebird Formula 5.7L Hesitation, Surge, Cuts out, Stall, Poor Fuel Economy VIN: 2G2FV22P1R 6 speed trans was removed for overhaul. While out, plugs were replaced as routine service at 90,000 miles. After reinstalling trans, the car has since had a significant miss, stumbling worse when hot. Idle is slightly rough, and driving power is decreased as w... Trouble codes: 15 (low coolant temp reading -40) |
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| 1998 Pontiac Sunfire SE 2.2L engine VIN: 1G2JB5241W Looking for a route... Vehicle came in , losing about 4 Litres of coolant in 2 weeks, over heated once. Ran vehicle, checked for any extenal leaking, slight weep out of water pump, normal for this engine... No other leaks, checked heater core, rad, hoses, hold... |
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| 2000 Saturn LW2 3.0L No Start VIN: 168JW82R9Y HELP! This 2000 v-6 wagon is driving me crazy. It cranks but will not run. It has no spark, injector pulse or fuel pressure. It also lacks power at the engine control fuses both #1 and #2. If I power then up it still won't run. The main realy clicks when I tou... |
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Fixes & Summaries for GM
| Fix/Summary | Answers | |
| 1997 Cadillac DeVille 4.6L Charging VIN: 1G6KD54Y1V First let me thank everyone that replied I truly appreciate it.. Now As atated there was lots of oil on the alternator from the previosley resealed oil pan and I'm pretty sure this was what had killed it,But what was throwing me was #1 being unfamiliar with th... |
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| 1980 Chevrolet Camaro 5.7L pcv VIN: 1P87LAN424 Talk about response! Haven`t got back to car yet but everybody is right one way or another-valve covers routed to a Vented canister w/KN air filter atop it-looks Very Nice, but no actual flow. I may hav to stick a breather in valve cover for kicks, but there w... |
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| 1996 Chevrolet C1500 Suburban 5.7L Electrical system VIN: 3GNEC16R0T The shop that requested me to open help request said that customer got tired of waiting and took vehicle to the dealer. I had 2 suggestions of a bad ign switch or bad wires leading to the ign switch and a bad alternator. It is true that I have seen the regulat... |
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| 1999 Chevrolet Blazer 4.3L 2-3 shift solenoid VIN: 1GNCS13W2X Well the problem was indeed electrical and not an internal transmission problem. We confirmed this by monitoring the control side of the 2-3 solenoid at the computer. Using the analog bar graph on my fluke meter I could see the computer applying & releasing th... |
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| 2004 Chevrolet Silverado 1500 4.8L cruise control VIN: IGTEC14X64 Had an after market add on installed was about 25% the cost and does a good job. |
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| 1998 GMC Jimmy Envoy 4.3L mode door VIN: 1GKDT13W1W Well the fix is to rebend the linkage shortening it by 1/8', to reduce the pushing stroke. Then installing a stop that raises the pulling stroke by 1/4 inch. I used a brake spring seat with a slot cut into it and put a couple of dabs of silicone to hold it in ... |
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| 1999 Pontiac Grand Prix SE 3.1L daytime runnig light, blower motor VIN: 1G2WJF2M2X Thank you all for your help, deeply appreciated, the fix was a new ignition switch. Once agan thank you. Mike |
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| 2001 Pontiac Grand Am SE 2.4L Misfire, CYL 2 ONLY VIN: 1G2NE12T51 All were good replies, but by the way it was acting we still though tit was a misfire. we decided to reflash the p.c.m., and after that, i t seemed to be much better, but the misfire moved to cyl 1. not possible. then the tech took the car for a test drive, an... Trouble codes: P0302 (cyl 2 misfire). |
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| 2001 Pontiac Sunfire GT 2.4L Surge VIN: 1G2JD12T11 I appreciate the 3 replies I received, however, I was unable to rectify the surge. The car ended up at a GM dealer where they replaced the ECM. Thanks for the help. |
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