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Professional Automotive Repair Technical Discussions for May 16, 2008 International Automotive Technicians' Network (iATN) - Members Only |
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Open Help Requests for GM
| Help Request | Answers | |
| 1998 Chevrolet Malibu 3.1L No Start VIN: 1GA112BA3U Customer had car towed in 1 month ago for no start. Car started when we went outside to push it in. We were able to get it to act up once. When you turn the key to start it acts like its in gear(no crank). All the lights are on and no theft lights at all. No c... |
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| 1999 Chevrolet Malibu 2.4L tensioner VIN: 1G1ND52T2X Hello to all of you super techs this car was'nt doing that when they brought it in.Changed the water pump now the chains making noise it appears that the chain has to much slack.I've read Alldatta and it talks about resetting the tensioner I have no idea what ... |
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| 2000 Chevrolet Blazer LS 4.3L Stall VIN: 1GNDT13W22 customer brought this vehicle in complaining of a stalling problem when in gear as you come to a stop. at first i was not able to duplicate the problem, but after a while of driving it, i was able to get it to stall a few times. scanner indicates no codes and ... |
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| 2001 Chevrolet Impala 3.4L abs VIN: 2G1WF52E41 Hi I have an oddball problem here The car came in with the abs interittantly coming on at low speed W found a very weak signal from rf sensor and wiring problem to right front sensor customer also mentioned low tire light had been on for a while. We replaced r... |
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| 2002 Chevrolet Express 2500 5.0L oil VIN: 1GCFG25M42 Goodmorning all. I have this van with high oil pressure. Came in with intermitant valvetrain noise but is quiet at this time. Oil filter is blown out and loose, filter case is blown up like a balloon. Installed mechanical guage and found oil pressure way above... |
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| 2003 Chevrolet Avalanche 1500 5.3L engine VIN: 3GNEK13783 customer brought this one in with a noise that sounds like a belt chirp. after looking at it we found that the noise is coming from the left valve cover area. we removed the valve cover to find that the rocker arms seemed dry. we started the engine with the va... |
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| 2003 Chevrolet Malibu 3.1L No Start VIN: 1G1ND52J93 I have this Malibu that very intermittantly wont start for the lady. She says the car will crank and crank and crank and finally start. She also says if she holds the foot feed open it will help start faster. Every time she drops the car off it starts just fin... |
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| 2003 Chevrolet Silverado 2500 6.0L Misfire, MIL Lamp on VIN: 1GCHK23U63 Hello everyone, this truck we put a used Transmission in it did not do anything around the engine Trans did not go in reverse, after replacing the trans we have a miss in the # 7 and 8 cylinders.Any ideas or anyone have seen this I would appreciate it fuel tri... Trouble codes: P0300 (Random miss) |
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| 1990 GMC V1500 Suburban 5.7L Excessive Emissions VIN: 1GKEV16K7L This vehicle will lose vacuum under load and NOX is failing. Tire size is 10 to 12" over factory spec. It is useing Thorley headers with 3" exhaust. Have tried 1.5", 2" and 2.5" restrictors in exhaust. 2" is best for loss of vacuum under load. NOX is still hig... |
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| 2003 GMC Sierra 1500 4.8L Poor Idle Quality, Hesitation, Misfire, MIL Lamp on VIN: 1GTEC14V13 This is our parts truck. Came in for a tune-up and upon completion had a rough idle-checked fault memory and stored fualt code for crankshaft postion sensor. Cleard fault code and engine ran fine. Parts manager wanted sensor replaced. After replacing sensor en... Trouble codes: P0336 |
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| 2004 GMC Envoy XUV SLE 5.3L Delay system VIN: 1GKET12P94 Thanks for any help up front on this truck. Truck came in and customer stated that the front wipers wouldn't work at times, no operation at all. He just wanted to throw a switch in since it felt different than it ever had and it was the lowest cost of the poss... |
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| 1997 Pontiac Sunfire GT 2.4L iGNITION kEY VIN: 1G2JD12TOV Grandaughter called me from Indy. I am in Oregon. She cannot turn the ignition key. Also, windows are down, and it is raining. Any help will be appreciated. Is there a solenoid, that is required to be engaged in order to turn the ignition key. I don't have the... |
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| 1998 Pontiac Sunfire GT 2.4L lights on VIN: 1G2JD12TXW Hi everyone. I have a Sunbird here with both red and amber brake lights on. I have pulled codes. C1222 rf no mph.1223 lf no mph, c1224 rr no mph, c1246 rear channel will not move and c1286 abs has turned red brake light on.The last codes says to check any meca... |
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| 1999 Pontiac Grand Prix SE 3.8L Poor Idle Quality, Hesitation, Surge, Cuts out VIN: 1G2WJ5K2XF the car runs great cold, no problems, when car gets warm when idling it will surge sometimes and sputter and rev up then if it doesent stall it will settle down and be fine for a few, then it will do the same thing, but the only thing that is consistant is tha... |
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| 2001 Saturn L300 3.0L ip cluster inop VIN: 1G8JW54R11 Hi, I am replacing a BCM on this Saturn. I have a Tech 2 and TIS to web. I cannot find the RPO sticker on this car. Anyone know where it is? Thanks |
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Fixes & Summaries for GM
| Fix/Summary | Answers | |
| 1997 Chevrolet C1500 5.0L Fuel pump VIN: 19CEK14M9V Thanks to all who replied, the fuel pump test terminal was where all said it would be by the pcd about 4in down the harness and the fuel pump was out |
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| 1999 Chevrolet Express 3500 5.7L reverse VIN: 1GCHG39R4X Thanks for all the replies. Seems as if this 4l80e has some problems with reverse such as reverse bands, reverse band apply pin lengths and reverse servo piston cracking. We saw no obvious problems with any of the above items however we did install all new tra... |
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| 2002 Chevrolet Express 3500 6.5L Cuts out, Stall VIN: 1GBJG31F22 sorry for the delay,and thanks to all that helped. what happened is when i went back to recheck some sugestions i found that it had a blown head gasket. we spoke with costomer and sugested to replace injection pump at the same time due to the milage. so i'm no... |
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| 2003 Chevrolet Malibu 3.1L No Start VIN: 1G1ND52J83 Once again sorry for the late response, no excuses. It took awhile and a few attempts to get it right. One of the first post responses inquired why I replaced the key and tumbler. Well, mostly because the Dealer had just told us that they have replaced many ... Trouble codes: U1000 (class 2 serial comm. problem), P1189 (eng oil press sw circuit). |
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| 2003 Chevrolet Express 2500 6.0L Misfire VIN: 1GCGG25U33 THANK AGAIN FROM ALL WHO OFFER THERE HELP YOU PUT ME ON THE RIGHT TRACK, WE FOUND THE PROBLEM TO BE A BAD BANK 2 SENSOR 1. THERES FOUR SENSORS ON THIS ONE AND WE MISSED IT WHEN WE WATCH OUR MODIS. ( I THINK I MAY NEED GLASSES ) GOES TO SHOW EVEN IF YOU THOUGHT... Trouble codes: P0300. |
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| 2002 Oldsmobile Intrigue GX 3.5L Cooling Systems VIN: 1G3WH52H92 Thanks for the replies!! It's fixed!! Not sure if it was the revised thermostat we put on, or backflushing the heater core, but who cares, it's all good. Special thanks to Ted from Ohio and Brad from Minnesota for those suggestions!! Dave |
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| 1990 Pontiac 6000 LE 3.1L Surge VIN: 1G2AF54T2L one of the suggestions was to check injector resistance. this is a banked system with 3 injectors per bank.resistanc readings at the harness connector was 3ohms per bank.spec is 12 ohms per injector or about 4 ohms total. when i pulled the plemem and checked e... |
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| 1997 Pontiac Bonneville SE 3.8L power door lock VIN: 1G2HX52K8V thank's to all who replied,replaced bcm with new from dealer didn't have to program,75 dollar part and every thing works fine.ken in minnesota. |
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| 2001 Pontiac Grand Prix SE 3.1L ignition key solenoid VIN: 1G2WK52J11 Well, you just never know what you are going to find!!! I took everyone's advice and zeroed in on where those 2 circuits cross paths. I was most concerned about the splices- If there was a failure, it seemed most likely there. Splice S264 on circuit 1020 on th... |
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