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Professional Automotive Repair Technical Discussions for March 17, 2009 International Automotive Technicians' Network (iATN) - Members Only |
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Open Help Requests for GM
| Help Request | Answers | |
| 1991 Buick Regal Custom 3.1L headlights VIN: 2G4WB54T2M Well this is my Mom's car so it has got to be fixed. Whenever you have the headlights on and you put it in gear (any where other than park) the headlights shut off. This car does not have DRL's. I checked the park brake switch and that is not it. I have search... |
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| 1993 Buick Regal 3.1L Hesitation VIN: 2G4WB54T5P car, only when cold, when you first touch the throttle it will hesitate for a split second then go. as soon as car warms up a little it seems to be fine. i removed throttle body, iac motor, and egr vavle and cleaned. did not seem to help. checked for spark, fu... |
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| 2001 Buick LeSabre Custom 3.8L MIL Lamp on VIN: 1G4HP54K51 car has come in last couple of time with a code p0442a hooked up the smoke machine found no leaks in the system. Went through the diagnostic test from alldata. changed purge solenoid, fuel cap, fixed one vaccuum line at motor and last time the sensor on top of... Trouble codes: P0442 |
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| 1994 Chevrolet S10 2.2L Misfire VIN: 1GCCS1442R hello,another one whipping me,truck was towed in as a no start,determined ignition was problem,after testing, the module and coils were replaced,truck now starts and runs,number three cylinder keeps coming up dead,the vacuum reading is steady so i don't think ... |
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| 1995 Chevrolet Astro 4.3L Cuts out, Stall, stall at idle and di VIN: 1GBDM9W35B idle cant be adjusted do to frozen bolt.idle moves from 690 to about 800 rpm. thanx ahead of time for any help. |
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| 1996 Chevrolet C1500 Cheyenne 4.3L ABS mod., master cyl. VIN: 1GCEC14W5T Hey everybody!!! I am at the end of my rope. I have this pickup that once every 3-6 mos. the brake pedal will go to the floor. This is a fleet vehicle that is driven by several different people, but only one has experienced this problem. According to the opera... |
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| 1996 Chevrolet Camaro 3.8L harmonic balancer VIN: 2G1FP22K9T trying to remove harmonic balancer and I`m about to break something on snapon puller or the bolts as they are 1/4 inch is there a puller made for this monster? |
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| 1996 Chevrolet K3500 Cheyenne 7.4L heater core VIN: 1GCHK39J4T Need some help here. This truck has had the heater core replaced 5 times, aftermarket and OEM. The coolant is clean and the last time the elctolisis was tested- i failed to note the reading but it was ok according to the tech line. We had installed a groun to ... |
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| 1998 Chevrolet S10 LS 4.3L abs VIN: 1GCDT19X2W I have a 1998 S10 pickup, when braking the ABS activates, usually below 10mph. The sensors are all reading the same speed, and seem to be correct. |
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| 2002 Chevrolet Avalanche 1500 5.3L air blend door actuator VIN: 3GNEK13T52 Hello to all, I need help with this one. I have an air blend door actuator motor that will not operate properly. If you plug in a new one it immediately goes to one end of travel and stops. I have a tech II scanner and have a code b0414. I have gone through th... |
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| 2003 Chevrolet Express 2500 6.0L Poor Idle Quality VIN: 1GCGG29U93 I am third in line looking at this van. The complaint is an intermitant high idle (varies from 1500-3400 RPM). The van has gone weeks at a time with no issues and will also act up for ten key cycles straight. I have inspected the wiring trouble spots - left fr... Trouble codes: P0507 |
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| 2003 Chevrolet Malibu 3.1L Engine VIN: 1G1ND52J43 The push rods are in the correct locations, it seems to me that the lifters are stuck and not bleeding off the oil, I drained oil and cranked motor over to see if lifters would bleed down, no such luck so far, any idea's. |
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| 2004 Chevrolet Silverado 2500 HD 6.6L left inner shaft VIN: 1GCHK29114 Hi all, having trouble getting the left inner axle out of the front diff. (9.25 inch). Need to replace a leaking seal. Alldata says to use a hammer and brass punch but I can't get it to move. Is there another method or is alldata incorrect and I need to do mor... |
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| 2006 Chevrolet Silverado 2500 HD LT 6.6L Hesitation, MIL Lamp on VIN: 1GCHK23D26 I keep coming up with a p0108, but everything checks out. what am I missing? There doesn't seem to be any holes in the intake; the EGR tests good; changing the MAP sensor out made no difference; I cleaned the MAF with no change. please help. I've got 5 hours... Trouble codes: P0108, P0402, P0234, P003A |
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| 2006 Chevrolet C5500 Kodiak C5C042 6.6L Cuts out, Stall, MIL Lamp on VIN: 1GBE5C1266 Hello anyone that has come across this type of problem this vehicle is a C5500 flatbed tow truck with a 6.6 diesel engine while driving under any condition the vehicle loses power and would only go about 40 mph there is a light that comes on a little wrench wi... |
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| 2007 Chevrolet Monte Carlo LS 3.5L Cruise/Horn VIN: 2G1WJ15K77 Having trouble with the steering wheel accessories on this 07 monte carlo. Cruise Control and Horn do not work, but the Air bag/Clock spring functions fine. Any ideas on what might cause the Horn & Cruise Control to not work? We checked fuses, Wire connections... |
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| 2006 GMC C5500 Topkick C5C042 8.1L Hesitation, Cuts out, Misfire, MIL Lamp on VIN: 1GDG5C1G86 We have in our shop here a 2006 gmc 5500 uhaul truck that has codes p1125, p2120 and p2138. This truck will somewhat idle but will not rev over like 1500 rpm. The scan data on this is limited to me I dont know why, we have a Modis and it is usually pretty dece... |
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| 1994 Oldsmobile Silhouette 3.8L No Start VIN: 1GHDU06L0R CAr was brought in to us as a no start. No spark/injector pulse or rpm on scanner when cranking. Found inline fuse that powers up the ignition module,fuel pump relay,injectors,oil pressure switch only blows when cranking. Disconnecting module stops fuse blowi... |
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| 1995 Oldsmobile Cutlass Ciera 3.1L Poor Idle Quality, Misfire, Idles hi VIN: 1G3AJ55M4S HI Y'ALL !!! I got a wiredo here.After start up and almost normal idle 1200 rpm. If it stays in park or shift back to park The iac drops from 64 to zero and the idle starts inching up to 3100. Sometimes it stays about 2700. If you turn it off and restart the s... Trouble codes: 122 (tps low), 123 (tps hi), 112 (air temp low), 101 (mass air fault), 131 (o2 low) |
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| 2003 Pontiac Sunfire SE 2.2L guages VIN: 3G2JB12F13 the fuel guage ,speedo, tachometer ,temp guage only thing that works is the service engine soon lite and the security lite lock,but it goes out , nothing else works at all , car runs fine just no instrument panel . have disconected battery and connected but st... |
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| 2000 Saturn LS2 3.0L speedometer VIN: 1G8JW52RXY Hello Fellow Techs, A two part question if I may please. I am working on a 2000 saturn LS2. The speedo does not work at all. I do get accurate vehicle speed readings on the scanner through the PCM. Also, I can do a gauge sweep through the BCM and all gauges s... |
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Fixes & Summaries for GM
| Fix/Summary | Answers | |
| 1999 Buick Regal GS 3.8L No Start VIN: 2G4WF5216X Thanks to all those who replied .Most of the replies suggested testing the ignition switch. This was the problem. The ignition switch has been replaced and the car is back in service with no problems. Thanks again. |
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| 1994 Cadillac Seville SLS 4.6L Surge, Stall, MIL Lamp on VIN: 1NJ75SDY98 This car was a pain. I put new crank sensors in it. Load tested all the wiring to findd out it was good. Ended up replacing the ignition control module to fix this vehicle. Have no idea why it would go out when I fixed the AC. Trouble codes: 0083 (24X Reference signal high). |
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| 2004 Cadillac Escalade 6.0L won't take fuel VIN: 1GYEK63N54 thanks to the 10 iatn menbers who replied. vehicle arrived early this morning. the ses lite was on.(customer never said so) scan for codes. code po446 evap vent solenoid. commanded on w/ scan tool no click. hooked volt meter between wires. 12v. replace evap ve... |
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| 1995 Chevrolet winnebago 7.4L Hesitation, Surge, Misfire, Power Loss VIN: 1GBLP37NXS Thank you for your help, I checked fuel preasure and found a drop off on WOT but not below specs yet an 8psi difference. My fuel volume was great, when fuel dumped with guage release valve engine did not stall. I replaced the fuel preasure regulator and also f... |
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| 1995 Chevrolet K2500 6.5L No Start, Cuts out VIN: 1GCGK29F3S well I had about a 50 50 mix sounds like either accelerator pedal pos sensor or ignition switch but cust. took vehicle so until i get it back I will close this for now thank you all. Ron Trouble codes: 84 (accelerator pedal position circuit fault), 99 (accelerator pedal position 5v reference fault). |
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| 1997 Chevrolet Venture LS 3.4L Poor Idle Quality, Misfire VIN: 1GNDX03E4V hello everyone , first i want to thank iatn , and all of you who responded to my posting , i will tell my friend about you guys and to find a repair shop over there that is affiliated to iatn , his checking in to it and will call me some time this week , and u... |
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| 1999 Chevrolet Silverado 1500 5.3L Cooling Systems VIN: 1GCFK19T8X Well, thanks to all respondents, but this problem was an anomolie. We originally used a delco thermostat, but in an effort to re-check everything, we went with another new thermostat on a hunch. Problem solved. It serves as a reminder that all new parts are no... |
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| 1999 Chevrolet Metro LSi 1.3L Excessive Emissions VIN: 2C1MR5228X hi all, i carbon cleaned and replaced O2 sensor as suggested, past smog test with 252 ppm nox, hc 11 ppm, co 02 % at 25mph thanks to all who replied, john |
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| 1999 Chevrolet C1500 Suburban 5.7L MIL Lamp on VIN: 1GNEC16R4X I WOULD LIKE TO THANK THE TECHS WHO GAVE INPUT ON THIS PROBLEM. SPECIAL THANKS TO RICK FROM INDIANA, BINGO, YOU HIT THE NAIL ON THE HEAD. COME TO FIND OUT, THE CUSTOMER HAD BEEN PARKING HER SUBUBAN IN THE DRIVEWAY, AND HER SPRINKLERS WERE GOING OFF AT THE WR... Trouble codes: P0410. |
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| 2000 Chevrolet Tahoe 5.7L Parking brake VIN: 1GNEC13T1Y Hi Again Y'all!!! THANKS FOR ALL YOUR REPLIES. The customer never did return. What I did find out was i need to pull the wheels and drums. I am sure the shoes were worn amd maybe the drums were bad too. Like I said, the customer was looking for a sticker.Wi... |
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| 2005 Chevrolet Silverado 1500 LS 5.3L 4wd lo VIN: 2GCEK13T95 After checking the system I found that the encoder motor was not operating properly. Replaced encoder motor and all works great. Thanks for all the helpfull advice. |
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| 2007 Chevrolet Impala LS 3.9L power steering pump VIN: 2G1WS58R37 I finally got this one fixed. I tryed bleeding the system a few more times, and each time it would work for a day or so and do the same thing again. The fix was we finally broke down and out a new rack in it. It has now been gone for 2 weeks and all is well... |
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| 1987 GMC GMC 7000 8.2L engine miss VIN: 1GDL7DIG4H Hi everyone.Thanks very much for all the help,sorry to say the deal has fallen through.I would have enjoyed installing this engine into my truck-oh well next time.Thanks again.Keith W. |
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| 1996 GMC W4 5.7L wont shut off VIN: 4KDB4B1R1T OK WE GOT THIS ONE FIXED. WE FOUND THE ALTERNATOR SENDING VOLTAGE BACK AND BACKFEEDING THROUGH THE WIRE THAT POWERS THE ALTERNATOR FROM THE IGNITION SWITCH. REPLACED ALTERNATOR AND PROBLEM IS FIXED. CUSTOMER HAS BEEN GONE FOR A WEEK AND HAS NOT BEEN BACK YET. |
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| 1995 Oldsmobile Achieva S 2.3L Excessive Emissions, Poor Fuel Economy, MIL Lamp on VIN: 1G3NL53DOS Well finally, too many people to thank here individually so I just want to say thanks to you's all, thanks for takeing the time to help , this one's out the door, checked wireing back to the ECM and located a broken wire, o2 sensor low wire, tan in colour and ... |
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| 2001 Oldsmobile Aurora 4.0L battery light VIN: 1G3GS64C41 well we ran out of options here. I want to thank all who relied. All great ideas and i explored all of them. I tried the new battery, no sensor next to terminal on this car to blow or short fuse.I installed a new ground strap as one member suggested.all in all... |
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| 1999 Pontiac Grand Am SE 2.4L Unknown VIN: 1G2NE52T1X Sorry for the delay customer unable to drop off until yesturday.I replaced the abs module asembly after verifying all grounds were ok.all problems and customer concerns repaired thanks for all the input.Hope you all have a great day. |
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