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Professional Automotive Repair Technical Discussions for October 27, 2008 International Automotive Technicians' Network (iATN) - Members Only |
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Open Help Requests for GM
| Help Request | Answers | |
| 2001 Buick Regal LS 3.8L No Start VIN: 2G4WB55K51 hello buick techs-just wanted to know what im up against on this thing- ive never had this code or problem in my shop before-lites on the dash are blinking like i have the hazards on-relays are clicking under the hood-sometimes it will start and run but then i... Trouble codes: U1040 (loss of ebcm communications) |
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| 1995 Cadillac DeVille Concours 4.6L ride control VIN: 1G6KF52Y9S this concours has had regular struts installed in front eliminating the road sensing struts from factory.it keeps turning on the check ride control message on the dlc center.my question is is there a way to turn off or bypass the message.i found the one on the... |
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| 1994 Chevrolet S10 4.3L master-slave VIN: 987654301Y Still need help, Tried to bleed this truck. Got clean new fluid out of the weep hole but still not enough action to disengage the clutch. No more bubbles in the master, and no bubbles coming out of the slave. I'm open to ideas. Thanks guys |
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| 2004 Chevrolet Silverado 1500 5.3L gauges VIN: 1GCEK14T44 Hello everyone and thanks for taking the time to read this. This truck has some intermittent instrument problems that i thought were in the cluster. The odometer would work when it wanted and some of the gauges would go beyond the scale at times (peg themselve... |
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| 2000 GMC Safari SL 4.3L MIL Lamp on VIN: 1GKDM19W9Y Thanks in advance for your help. Heres the story, van came in with a CEL and found codes po404 and po405. Checked over and cleared codes and po405 (egr sensor a voltage low) Came back right away. Check data and dead on zero. Went though checks on egr and check... Trouble codes: P00, 405 (egr sensor a circuit low), P0404 |
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| 1998 Saturn SL2 1.9L No Start VIN: 1G8Z15271W hey guys first time user. the problem is the car cranks but no start checked fuel pressure has 45 psi has good spark to all cylinders have good compression, my problem is that i am out of town and it is a older ladys car and i am using neighbors tools so limit... |
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| 2001 Saturn SC1 1.9L won't run monitors VIN: 1G8ZN12811 Hi Guys, this Saturn came in for a state inspection and failed due to having 6 monitors incomplete, told customer to drive car over the weekend and come back, monday it came back and had 5 monitors incomplete and a pending code p0404, cleaned egr, cleared code... |
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Fixes & Summaries for GM
| Fix/Summary | Answers | |
| 1973 Chevrolet Corvette 454CID headlights VIN: 1Z37J35421 Thanks for the replies. It had a missing tach adapter that I just put in from summit. As for the headlights it had a leaking door actuator. The reservoir was good. The check valve was bad. The oe type is still available from Ecklers. The door actuator is avail... |
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| 1987 Chevrolet Corvette 5.7L Poor Idle Quality, Surge, Cuts out, Stall VIN: 1G1YY2186H this vehicle was a real hair puller but after i stepped back and looked at all of the customers complaints, i found theinitial problem. the customer had also complained about the center consol lights turning on and off while driving but never stated that it wa... Trouble codes: 34 (mass air flow sensor). |
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| 1994 Chevrolet S10 4.3L bleeding VIN: 9876543129 Still need help, Tried to bleed this truck. Got clean new fluid out of the weep hole but still not enough action to disengage the clutch. No more bubbles in the master, and no bubbles coming out of the slave. I'm open to ideas. Thanks guys |
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| 1995 Chevrolet Camaro Z28 5.7L top end VIN: 2G1FP22PXS hello techs this vehicle is fixed,only problem is i dont know what fixed it.we adjusted the valves one at a time according to specs,changed the oil and put in the same weight it was running before head gasket failure,we switched the rocker arm with one from ... |
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| 2000 Chevrolet Impala 3.4L High idle VIN: 2G1WF55E2Y Well, after some hair pulling, this one is finally fixed. After triple checking the wiring, grounds, ref. voltages etc. and replacing the TPS connector as Alex suggested, and not finding a single thing wrong, we decided to try a new TPS from the dealer which f... Trouble codes: P0122 (TP sensor signal low voltage), P1122 (TP sensor signal intermittent low voltage). |
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| 2002 GMC Savana 3500 6.5L No Start VIN: 1GC336GH38 Thanks to all of you for taking time to reply. Turns out the engine builder some how left out the push rods and rocker arms. After removing the front cover to make shure it was in time(as told to do so by builder).Then installing the parts that were left out.I... |
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| 2005 GMC Sierra 1500 SLE 5.3L volt meter VIN: 2GTEC19T35 thank you guys for all the information,i call GM about the tsb for this matter,and they say that is normal and there is no such a fix for it.thanks again. |
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| 1996 Oldsmobile Cutlass Supreme 3.1L Surge, MIL Lamp on VIN: 1G3WH12M5T Thank you guys for taking time to offer some advice.This vehicle had 2 problems.The SES light was coming on due to a bad EGR valve which was setting a code for pintle position error.This was an intermittent problem with the original valve as well as the 1st n... Trouble codes: P0300, P1406 (EGR Pintle Position Problem). |
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| 1993 Pontiac Bonneville SE 3.8L No Start VIN: 1G2HZ52L4P Thanks for all the replies..retested vehicle with oscilloscope and had square waves on both G and H at ICM from crank sensor and also on the ppl/wht...so pulled ECM and found the ppl/wht slighty pulled from connector...reseated ppl/wht and car started. Thanks... |
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| 2001 Pontiac Aztek 3.4L Temperature gauge VIN: 3G7DA03E31 I recieved suggestions about: head gaskets, they are OK, Poor connection at sending unit, The ECM knows the correct temp. therfore a poor connection should not be the problem and there is no teflon tape. I have not repaired the car yet. |
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| 2001 Saturn SL1 1.9L Electronic VIN: 1G8ZH52841 thanks to the 3 replies i got on this trans problem. as was suggested we replaced the valvebody with an oem and all is fine. |
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