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Professional Automotive Repair Technical Discussions for May 23, 2008 International Automotive Technicians' Network (iATN) - Members Only |
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Open Help Requests for GM
| Help Request | Answers | |
| 1999 Buick LeSabre Custom 3.8L Cuts out VIN: 1G4HP52KXX got this buick that cuts out intermittenly the first day i ran it several hours with nothing doing,i then road tested it and it did cut out.it starts right back up with no problems.i let it run again in the shop for almost two hours with the scope hooked on th... |
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| 1973 Chevrolet NOVA 350CID alternator VIN: 1X27H2L109 unsure of how to correctly wire in new alternator from 2 wire to 4 wire set up. i have had conflicting instructions on how to wire in correctly so as not to damage the internal regulator and to also turn off the alternator warning light in the dash. thouhgt i ... |
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| 1988 Chevrolet S10 2.5L Hesitation, Surge, Cuts out, Stall VIN: 1GCBS14E75 Hope someone can offer some insite on a crazy one. This truck was brought to us by a long time customer for a pre purchase inspection. It is an extra vehicle and gets driven maybe 3-4 times a year the last few years. Had not been driven in a couple of months w... |
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| 1992 Chevrolet Corvette 5.7L No Start VIN: 1G1YY23P7N Car came for no start .When car is cold and has not been started for about an hour it starts okay.When you restart when hot or warm it doesnt start.When this happens there is no injector pulse.Owner replaced disributor assm, thinking that was it because he tho... |
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| 1996 Chevrolet Monte Carlo LS 3.1L No Start VIN: 2G1WW12M4T HELP HELP!!! WE have replaced the pump TWICE in the last 2 months, and it just was towed in with another one out!!! Any ideas??? |
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| 1999 Chevrolet K2500 5.7L No Start, MIL Lamp on VIN: 1GCGK29R3X Hi Everyone. I have this truck is in the shop for a no start. It started out not having spark. I fixed that problem. First i put a crank sensor in for code P0338. This took care of the code. There is also a tsb for that code. I also had to put an ignition cont... Trouble codes: P0338 (ckp Sensor Circuit High Duty Cycle), P1361 (Ignition coil control circuit low Voltage) |
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| 2003 Chevrolet Tahoe LS 5.3L compressor VIN: 1GNEK13293 This vehicle when it wants shuts the compressor of and when it comes in with the compressor off while I am trying to get a voltmeter on sensor and compressor clutch it starts working and is good for a short while and it happens again. It has automatic temp con... |
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| 2003 Chevrolet Silverado 1500 HD LS 6.0L Poor Fuel Economy VIN: 1GCGK13U23 When you just tip in the accelerator, this truck will take off so hard that it spins the tires. It has very little low end. It idles normal, no stall or surge. Must use the cruise on highway to keep throttle stable, touchy and hard to maintain cruise speed. Va... |
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| 2004 Chevrolet Avalanche 1500 5.3L Hesitation, Cuts out, MIL Lamp on VIN: 3GNEC12T44 Truck came in for ABS & Brake coming on & all guages dropping out. One code for ABS relay loss of power, cleaned grounds cleared codes & road tested. When hitting a bump Abs light comes on, speed-o & tach drops for a split second & slight loss of power, also A... |
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| 2004 Chevrolet Silverado 2500 HD LS 6.0L MIL Lamp on, reduced power VIN: 1GBHC24U64 This vehicle sets an intermittent P1125 code. This seems to happens on mostly on decel. The problem happens when the APP 1(V) drops to .4V, while APP 2 remains at .7(V). I have checked the wires and connectors, and have found no problems. I have replaced both ... Trouble codes: P1125 (The PCM detects a difference between APP sensor 1 and APP sensor 2) |
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| 1998 GMC K1500 Suburban 5.7L MIL Lamp on VIN: 1GKFK16R9W flow chart leads to distributor incorrectly installed or timing chain or distributor is at fault. im nervous, how do i verify timing chain slop? what is too much? any help would be very helpfull. Trouble codes: P1345 |
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| 2000 Oldsmobile Alero GL 3.4L No Start, will start at times VIN: 1G3NF12E2X this car will start at times,runs fine when it does start. sometimes will die while running or sometimes will not start after shut off. there is no security light on or flashing. the condition has gotten worse to the point it has to be found and repaired. Trouble codes: P1626 |
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| 1996 Pontiac Grand Am SE 3.1L starter VIN: 1G2NW12MOT Thanks to all in advance, this car came in with a complaint that the key came out in any position, so we tore apart tumbler and found tumblers to be worn so we opted to replace the the whole key cylinder set with new tumblers.When we got it back together it wo... |
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| 2002 Pontiac Aztek 3.4L all guages VIN: 3G7DB03E92 Ever since the intake was done the dash has not worked. All the illumination, the warning indicators, message center, all work fine. The guages do not sweep with the key on nor do they register while running. I am not sure if the intake would have anything to ... |
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Fixes & Summaries for GM
| Fix/Summary | Answers | |
| 1993 Chevrolet Corsica LT 2.2L Stall VIN: 1G1LT534XP Well the over all response was a sticking TCC. The customer does not want to fix the problem at this time so I have unplugged the TCC as many of you suggested and they are going to take it after the weekend. I did also clean the throttle body and remove and ... |
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| 1995 Chevrolet Astro 4.3L No Start, Stall VIN: 1GBDM19W2S I will close this now hoping that it is fixed. Although I could not get it to cut off and not start in the shop so that I could unplug sensors to see if the ref volts would return I replaced the map sensor, test drove and it did fine. Before I could go less th... |
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| 1998 Chevrolet Express 3500 5.7L front pads VIN: 1GCHG35RXW As most of you know, we will not know if this is "fixed" or any better until 15,000 miles go by...I will try a fleet hd pad of somesort, I am searching for them as I write this. Generally, I have heard what I needed, that most evryone has had a premature wear ... |
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| 1999 Chevrolet Malibu 2.4L cluster - turn signals - a/c - starting VIN: 1G1ND52T3X well I think this one is fixed - removed LH IP fuse block after finding voltage difference in the 2 pins as suggested - found no burnt,wet,or damaged wires - refitt block with a little dielectric lube and not a issue ever after. Thanks to all that helped. A/C ... |
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| 1997 GMC Savana 3500 5.7L Poor Idle Quality, Hesitation, Cuts out, Stall, Misfire VIN: 1GTHG35R4V First of all I just want to say thank you to everyone who tryed to help me. I got alot of input. I checked the distributor again like suggested for signs of wear. Didnt find any but replaced anyway just to be sure. unfortunatly, didnt work. Swaped the distribu... |
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| 1997 Pontiac Grand Prix GT 3.8L Fuel Gauge VIN: 1G2WP52KXV All had it right, and I knew that I would probably doing the fuel sending unit but the the fact that it all happened at the same time raised some questions with me. I did replace the sending unit and fuel pump assy. so it is all taken care of and I don't have ... |
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