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Professional Automotive Repair Technical Discussions for April 26, 2004 International Automotive Technicians' Network (iATN) - Members Only |
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Open Help Requests for GM
| Help Request | Answers | |
| 1993 Buick LeSabre Custom 3.8L Electric window RF VIN: 1G4HP533PH Window motor grew slow. Replaced window motor with after-market brand and window only rolled up. Left job sit over night and there is no power to pink wire for passenger door at this time. Is there a breaker in this circuit or a fuse? Would appreciate a window... |
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| 1998 Buick Century Custom 3.1L MIL Lamp on VIN: 2G4WS52MOW wHEN I LOOKED UP CODE PO304 IT ASK ME IF THERE WERE A LARGE NUMBER OF MISFIRES ON CYL.#4 AND THERE WERE 4400 ON THAT CYL. DOES ANYONE KNOW WHY THEY ASK ABOUT THAT PARTICULOR CYL. I HAVE CHECKED THE COIL,WIRE AND PLUG ON THAT CYL AND FOUND NO PROBLEMS, SEEMS TH... Trouble codes: P0304, P0300 |
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| 1995 Chevrolet Blazer 4.3L rear shoes VIN: 1GNCT18W4S this is a new customer refered to us by a very good customer.Our first meeting he had a box of replacement parts for the rear drum brakes. Asked if we could install.We agreed all went well front brakes were inspected and drums resurfaced. Now he is back with a... |
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| 1995 Chevrolet Camaro 3.8L electric window VIN: 2GIFP22K0S Ihave checked all fuse linkes to window and found to be good also found the radio not working cunsulted shop manual for shematics tested power going to breaker found none. question is does the power go through the bcm and power the radio and the power window m... |
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| 1996 Chevrolet Astro 4.3L transfer cas VIN: 1GCDL19W6T We have been working on a '96 AWD astro that slowly rolls when parked on a incline. At first if you left it, it would roll fairly quickly...if you left it in neutral it would go a lot faster...the parking pawl is definately engaged...you can feel and hear it c... |
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| 1997 Chevrolet Cavalier 2.2L Right rear sensor input VIN: 3G1JX5442V Hi Folks, this one beguns to has an intermittent abs fail alone, that is manifested with abs light on. We found 1224 code "right rear sensor input equal to zero" -, we've tested all that manual said -included scan datastream-, apparently right rear sensor is i... |
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| 1998 Chevrolet Malibu 3.1L cooling fans VIN: 1G1ND52M4W CUSTOMER COMPLAINED THAT COOLING FANS WERE NOT CYCLING ON AND OFF, WE CONDUCTED A TEST USING THE OBD 11 CONTROLS OF THE TECH 1, WE ARE ABLE TO COMMAND FANS ON AT STAGE ONE AND TWO ALSO BOTH ON. fANS WILL COME ON WHEN A/C IS TURNED ON, HOWEVER FANS WILL NOT CYC... |
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| 1998 Chevrolet Blazer 4.3L No Start, VIN: 1GNDT13W9W the blazer came in a no start after the used engine was installed. it will start for half a second and shuts the injectors off. had no communication with the scanner, no injector pulse, the fuel guage was inopperable, as was the gear shift indicator. the first... Trouble codes: 11NE0, 11NE0 |
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| 2000 Chevrolet Silverado 1500 4.3L Surge, Cuts out, Misfire VIN: 16CEC14W5Y This truck will run fine but let set for thirty minutes to an hour and restart and drive for ten minutes it will start to cut out and miss surge and ping. Shut off and let set for 2 or 3 minutes and restart and run fine. Checked fuel pressure to be 55 lbs. but... |
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| 2002 Chevrolet Tahoe LS 5.3L Duct Temp VIN: 1GNEC13T12 Hello Friends at IATN! This is my personal car! When at Idle at stoplight AC Duct temp is About 75* (F) at Ambient temp of 102*(F) IT seems to warm to me! Pressures are normal! DUCT temp cools down while cruising to about 45*(F) Dealer has twice replaced Cyl... |
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| 1995 Pontiac Grand Prix SE 3.1L temp sensors VIN: 1G2WJ12MOS this is the strangest thing i've ever run into.did a head gasket repair on car . very thorough , heads through the machine shop the works. the temp gauge in the dash was pegged all the way up before startup (key on only). changed the sensor. started out at nor... |
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| 1999 Pontiac Sunfire SE 2.4L engine VIN: T6X7542282 Had GM dealership check to see if any bulletins related to this problem.Noise sounds almost like lifter(cam)but when bolts for cover loosened off noise goes away. Any and all replies greatly appreciated |
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Fixes & Summaries for GM
| Fix/Summary | Answers | |
| 1986 Buick LeSabre Limited 3.8L Poor Idle Quality, Misfire VIN: 1G4HR6939G hi guys thanks for the suggestions. since this is a shop project i have not yet had the time to get back to it. as soon as i do i'll post a fix message, for the time being we'll wait until i recheck the timing for possible jump timing and also vacuum leaks pos... |
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| 1994 Buick LeSabre Custom 3.8L MIL Lamp on VIN: 1G4HP52L7R Thanks to all that replied. There was one email that was right on. After more testing I finally cought the problem when it was occuing and it turned out to be the connector to the egr valve. I replaced the connector, solderd and heat shrinked the wires and pro... Trouble codes: P0401 (EGR flow problem). |
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| 1975 Chevrolet C10 Cheyenne 5.7L vacuum hoses VIN: CCV145B102 Many of you sent faxes or email with diagrams, all were of great benefit to get this truck out the door and done. Thanks to all who helped out, this sure is a valuble resource. Thanks again and have a great day! |
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| 1992 Chevrolet C2500 Cheyenne 5.7L engine Thanks for all your help. I checked the prndl switch and they were ok. most of the reply said to check the distributor. I didn't find anything visible that was worng with it but I went with majority rule and recommended customer a new distributor. I can't find... |
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| 1993 Chevrolet Camaro Indianapolis 500 Pace Car 5.7L Stall VIN: 2G1FP22P2P i would like to thank everyone for there help especialy Jamie Lazarms. Jamie had stop by to if i had a chance to review the mastertech scan tool on his way out i started to explain the problem i was having and the parts i have change he suggested that i may wa... Trouble codes: 41 (est open). |
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| 1993 Chevrolet Camaro Indianapolis 500 Pace Car 5.7L injector pulse VIN: 2G1FP22P2P i would like to thank everyone for there help especialy Jamie Lazarms. Jamie had stop by to if i had a chance to review the mastertech scan tool on his way out i started to explain the problem i was having and the parts i have change he suggested that i may wa... |
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| 1995 Chevrolet Cavalier 2.2L Excessive Emissions VIN: 3G1JC1241S Sorry for the late fix on this car. We motorvac'd it and just squeeked it through. We tried 2 different cats, 1 used GM original 1 new walker with no effect (for some reason the walker spiked all the readings and made it fail everything. think it was a defecti... |
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| 1997 Chevrolet Express 2500 5.0L oil pressure We have not gotten this van back in.Based on all the replies I must assume it has worn cam bearings.Theinfo sent on the first help request was not!00% correct.The mains and rod bearings were not worn as I had a machine shop inspect the crank we took out and th... |
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| 1998 Chevrolet K2500 Suburban 7.4L Poor Idle Quality, Misfire, MIL Lamp on VIN: 3GK26J1WG5 first of all i apologize. the information i gave you was from the first engine we installed and yes it was the engine . this one i didnt go over everything again, assuming the the technician did everything correctly again. so the problem was #1 fuel injector w... Trouble codes: 301 (missfire 1 cylinder). |
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| 1999 Chevrolet S10 2.2L Excessive Emissions VIN: 1GCCS194XK i replaced the oxygen sensor and it took care of the problem. thanks a lot for your help guys |
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| 1999 GMC Savana 3500 5.7L fuel pump relay VIN: 1GDHG31ROX YES! Received several replies on this one. Thank you to those who took the time.They all mentioned the trouble spots on this vehicle, such as the connector on top of the fuel tank melted and poor grounds to body and block.Checked all that.One had mentioned to ... |
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| 1998 Oldsmobile 88 Royale 3.8L No Start, MIL Lamp on VIN: 1G3HN52K5W i went to customers home myself when vehicle did not start this time,did all my normal checks,every thing checked fine,pulled out the 3 front spark plugs,were wet with coolent,got it back to shop replaced upper intake,looked like a very small leak at egr tube,... Trouble codes: P0101. |
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| 2001 Oldsmobile Silhouette Premiere 3.4L evaporator VIN: 1GHDX03E11 Hi Friends, I did get one reply (Thanks!) and here is the jist of it. There are no shortcuts, and it IS a long and tedious repair. It took me about ten hours, and I replaced an otherwise beautiful young evaporator with a leak with another younger one (hopefu... |
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| 1996 Pontiac Sunfire SE 2.2L Starting VIN: 1G2JB1243T We removed ECM connector to chk condition looked very good, and had been greased previously. Chked wireing, ign cyl to ECM and instrument panel, all ok. Could find nothing wrong, started everytime while in our possesion. Customer needed vehicle, has started fi... |
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| 1997 Saturn SL2 1.9L Power Door Locks VIN: 1G8ZK5277V Well the customer was hoping for a quick & inexpensive fix like a fuse or relay problem and frankly so was I, due to the other work on hand. The customer could not leave the vehicle for further testing. But I did learn something from this post. Thanks to Leona... |
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