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Professional Automotive Repair Technical Discussions for August 29, 2009 International Automotive Technicians' Network (iATN) - Members Only |
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Open Help Requests for GM
| Help Request | Answers | |
| 2001 Chevrolet Impala 3.8L No Start This is one of those cars that has me unable to stop thinking about it. Many hours w/ myself and my tech. spent to no avail. Though i have many test results, at the moment, the one that has me most perplexed is the absence of the 3x signal from the ICM to the ... |
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| 2005 Chevrolet Silverado 1500 4.3L wont set evapmonitor VIN: 1GCEC14X65 Weve replaced these parts on it to begin with and now when we do the drive cycle it wont set the evap monitor ready it sets all the other monitors but the evap is the only one that doesnt set. We have done the drive cycle many times and we still cant get it re... |
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| 1994 Pontiac Bonneville SE 3.8L Hesitation, Surge, Cuts out VIN: 1G2HX52L1R the vech will buck under hard accel 2500 rpm and up but will not rev up over 4000.feels like ign is cutting off and on, almost like fuel related but recovers instantly plus pressure and volume tests fine, will recover instantly after letting off pedal. mild ac... Trouble codes: 42 (cam sensor fault), 43 (crank sensor fault) |
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| 2006 Pontiac G6 3.5L Poor Idle Quality, Hesitation, Surge, MIL Lamp on VIN: 1G2ZG55876 Hello techs, I’m looking for some help in confirming a diagnosis. Customer stops for fuel and car will not restart. Customer states no previous problems but they “knew they needed a battery". Gets a jump start, car starts but has no power, display reads “vehic... Trouble codes: U0107 (Loss of comunication between TAC and ECU) |
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| 2002 Saturn LW200 2.2L insrument panel VIN: 1G8JU84F62 customer came in and stated insrument panel did not iluminate. dimmer switch was missing. customer stated bulbs worked even with the absense of the dimmer switch and all bulbs went out at one time. the ilumination of the ipc is controlled by the bcm and is pwm... |
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| 2003 Saturn Vue 3.0L engine VIN: 56ZCZ63B93 Tested oil psi and found running at 60 to 70 top end of engine noise no oil. Pulled oil cap of and head is bone dry. No lower end noise. As far as I know head gaskets were not changed. Engine runs good other then oil problem. |
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Fixes & Summaries for GM
| Fix/Summary | Answers | |
| 1954 Buick Super 322CID converter VIN: A401765200 ok,i pulled the "valve body"and checked it,found restricter is just a smaller hole in the"servo body",took the pressure regulator apart and rechecked it,no problem found,put it back together and refilled,worked like it was supposed to,let it sit over the weeke... |
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| 2002 Buick LeSabre Limited 3.8L TCC lockup VIN: 1G4HP54K12 SORRY FOR THE DELAY IN RESPONSE, WE HAVE BEEN BUSY,BUT THATS GOOD THESE DAYS. WE DID VERIFY SOLONOID CONTROL WITH SCAN TOOL THIS WAS VERY EASY. DISCONNECT HARNESS CONNECTOR AND JUMPER LINE THAT IS FOR THE TCC + THIS IS IGNITION VOLTAGE ( REFER TO DIAGRAM) AND ... |
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| 2002 Buick Rendezvous CX 3.4L Alarm Activation VIN: 3G5DB03E22 I reprogrammed the customers key fob. He did have another key fob but said he lost it somewhere in the house. (I picture a book sitting on top of it compressing the panic button sometimes). the customer lives next door to me and I ddn't hear the alarm go off s... |
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| 2004 Buick Regal GS 3.8L Starting VIN: 2G4WB52K84 Just again want to thank you for all the replies. This just got uglier as time went on. Agreed with all of you this was an ignition switch gone bad, after accessing the switch found the wire to tumbler assembly not hooked up. Seems that someone had soldered a ... |
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| 1999 Chevrolet Silverado 1500 5.3L 1-2 shift solenoids VIN: 1GCEK19T6X Yes this vehicle is fixed. Sorry it took so long to get back. I first put a Ignition switch in it and then a PRND321 switch and let my customer have it. He drove it for couple of weeks and told me other day all is good. Thanks to all who replied. |
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| 1999 Chevrolet S10 LS 4.3L Cuts out, Stall VIN: 1GCCS19X6X Thanks for all the replies. I checked the computer connections and the ign switch and didn't see anything amiss so I drove it for about 75 miles and got the p0339 crank signal intermittant code. I replaced the crank sensor and drove it 45 miles and released th... |
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| 2001 Chevrolet Venture LS 3.4L cyl#1 VIN: 1GNDX13E01 Well the bad news is, Kennith [...] was right! Thanks Ken,and all who replied. Many posts thought it was valve timing in cyl.# 1 due to cam lobe movement/offset. Come to figure out that my #2 tech must have placed a long pushrod on the #1 intake valve and trie... |
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| 2006 Chevrolet Trailblazer LT 4.2L 2-1 downshift VIN: 1GNDT13S26 hi guys, thanks for your input. my gut feeling was to replace e.p.c., but i tested it with tran x 2000 and vantage and it showed to be normal. i removed pressure manifold switch, cleaned the screens with brake cleaner and gently air dried. reset all adaptives... |
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