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Professional Automotive Repair Technical Discussions for March 29, 2010 International Automotive Technicians' Network (iATN) - Members Only |
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Open Help Requests for GM
| Help Request | Answers | |
| 1995 Buick Regal 3.8L oil leak VIN: 2G4WD52L5S vehicle came in leaking oil badly front front crank seal. replace seal came back next day leaking badly from front seal. another tech replaced seal still leaking you can see it coming out seal badly. Last time I replaced timing cover with another used cover th... |
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| 1999 Cadillac DeVille 4.6L MIL Lamp on VIN: 1G6KE54Y1X Vehicle has Code P1646 Control Vent Solenoid Circuit Problem. When Vehicle first came in we did smoke test and found fuel cap cracked. Replaced and customer drove for several weeks and about 200 miles before light came on again. Smoke test again and ran test o... Trouble codes: P1646 (Control Vent Solenoid Circuit Problem) |
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| 2006 Cadillac DTS 4.6L MIL Lamp on VIN: 1G6KU57966 this vehicle originally went into limp mode, ck engine light and service stability system message appered we found there to be a ecm was bad problem occured again 1,000 miles later but a different code found pedal assembly to be bad, replaced now vehicle is ba... Trouble codes: P2138 |
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| 1990 Chevrolet K3500 Silverado 7.4L bubbling in recovery bottle VIN: 1GCGK34N0L hi guys this is my personal truck, installed new radiator 1 week ago and now every time i shut it off i am getting bubbling in recovery bottle. i have tried 3 different radiator caps and have sniffed the bottle with a block tester while is was doing it and flu... |
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| 1995 Chevrolet S10 4.3L No Start VIN: 1GNDT13W9S greetings to all i have this chevy blazer that will not start after a hot soak,spray it with a little carb spray and it will start and run.fule pressure when running is 50 psi,at cranking it is 57psi,if i recall these require at least 60 psi while cranking to ... |
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| 1996 Chevrolet K3500 5.7L Stall, MIL Lamp on VIN: 1GCHK33R3T I appreciate all replies in advance. Customer complaint was that vehicle would suddenly start cutting out and stalling. Code retreived was P1122 (tps low voltage). The first time I checked the vehicle all was well. I connected a Tech II and set the snapshot to... Trouble codes: P1122 (Throttle position sensor - low voltage) |
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| 1997 Chevrolet Cavalier 2.2L timing cover? Well first off sorry for the no VIN. Strange problem with this one, just wondering if anyone else has come across this. Car had a rattle in the timing chain, all good, pulled it apart, chain was stretched, so I replaced chain gears and tensioner. Problem solve... |
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| 1998 Chevrolet Tahoe 5.7L Poor Fuel Economy VIN: 1GNEK13RXW Hi Everyone, thank you for your help, This vehicle came in with a complaint of poor fuel milage and has been here for about a month or so,there are no DTC's, fuel trim are as follows long term bank 1 -6.2% short term bank 1 +1.6, long term bank 2 -10.2% short ... |
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| 1998 Chevrolet C1500 Silverado 4.3L No Start VIN: 1GCEC17W1W Vehicle came in not starting after custom installed timing chain, found code P0339 crank sensor signal missing, found no rpm on scanner and no pulse coming from crank sensor, ignition feed is there,took timing cover off and reluctor ring is there vehicle is in... Trouble codes: P0339 |
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| 1999 Chevrolet K2500 Suburban LS 7.4L Long crank hot start VIN: 1GNGK26J7X This truck starts immediately when cold, even at 17 degrees F. After it has completely warmed up - temp gauge showing 220 F, and then shut down for 20 min to 45 min, then it is hard to start. It cranks for 15 or 20 seconds before it starts, runs rough for 5 or... |
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| 2000 Chevrolet Astro 4.3L MIL Lamp on VIN: 1GNDM19W1Y GM techs I need you. 2000 Chevy Astro van came in. Customer states vehicle has sluggish takeoff also cluster is inop. I found ten different Transmission codes and blown fuse for trans under dash area. Found said circuit to have a short. I have disconnected all... |
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| 2007 Chevrolet Equinox LS 3.4L power steering control module VIN: 2CNDL23FX7 this little truck came in with no power steering, and it is equiped with that lovely electronic power steering. so i hooked scanner and pulled code co56d for power steering control module hardware performance internal failure. so the diag. tree says reprogram ... |
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| 2002 GMC Sierra 2500 HD 6.6L No Start VIN: 1GTHK29162 no start, replaced fuel pump, found filter housing sucking air and replaced w/ new filter. fuel pressure stays at 1290 t01400 psi. 9mpa. vehicle will start and run when using battery charger, and cranking speed is 180 190 rpm. performed flow test on fuel. vacu... Trouble codes: 1094 (not enough fuel pressure crank decel) |
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| 2003 GMC C4500 Topkick C4C042 6.6L speedometer VIN: 1GDE4E1163 Hello All We have this truck from a local wrecker company. The complaint is, the speedometer reads twice as much as it should. When you drive the truck the speedometer reads 80 mph when you are going approx 40mph and it don't shift right. The owner claims this... |
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| 2004 GMC Yukon XL 1500 SLT 5.3L abs light VIN: 1GKEC13T34 This yukon has a c0265 code for the EBCM. The ABS light and brake light will come on when driving around town. im thinking EBCM module but i dont see any case studies 2004 and up. 2003 and older fixes are ebcm module and grounds. my power and ground is ok to t... |
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| 2001 Oldsmobile Aurora 3.5L MIL Lamp on VIN: 1G3GR64H01 This car originally came in June of 09 for the P0410 fault code, and at that time we replaced the front bank vacuum valve and the vacuum control solenoid. Then January of 10 it came back with the same code and found the back bank vacuum valve bad and replaced ... Trouble codes: P0410 (Secondary AIR Injection System) |
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| 2001 Oldsmobile Intrigue GL 3.5L MIL Lamp on VIN: 1G3WH52H21 we have replaced all the components listed at one timeor another for different reasons for thisproblem. the code will comeback after a few days or a few months. there seems to be no certain event for this to happen. when the tech ckecks it out everything is wo... Trouble codes: P0410 |
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| 2004 Pontiac Bonneville SE 3.8L Cuts out, Stall VIN: 1G2HX52K84 Car came in with overheating, stalling, and misfiring complaintsthat supposedly happened all at the same time. Found water pump impeller worked off slightly, rubbing block, replaced, overheating fixed. Misfire on cylinder 4. Compression at 75psi, did leakdown ... |
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Fixes & Summaries for GM
| Fix/Summary | Answers | |
| 2004 Buick LeSabre Limited 3.8L tach & fuel gauge VIN: 1G4HR54K34 Sorry for the delay in closing this post. The customer has not yet returned for the repairs, however after reading all of the replies when she does return I am going to send the cluster to Mike [...] for repair. |
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| 2009 Cadillac CTS 3.6L Climate control VIN: 1G6DV57V49 Since it seems the unit needs to programmed I took it to the Cadillac dealer to have it done along with doing a recall and some warranty work to replace the timing chain. Unfortunatly they denied the warranty claim after saying it would be covered, due to slud... |
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| 2000 Chevrolet C3500 5.7L Surge, MIL Lamp on VIN: 1GBJC34R2Y OK here is what I found out. After repairing the broken wiring issues and pigtail replacments what was causing the P0341 Cam Sensor fault was a defective New Crank Sensor, and the Rolling idle with hood closed turned out to be the module heating up, eventually... Trouble codes: P0341 (CMP Sensor Circuit out of Range). |
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| 2001 Chevrolet Silverado 2500 HD LS 6.6L MIL Lamp on VIN: 1GCHK291X1 truck needed a second set of injectors... confirmed by a local gm dealer... i couldnt believe it...gm dealer said there was 4mm of fuel entering crank case but oil level never was over full.. Trouble codes: P0093. |
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| 2007 Chevrolet Silverado 1500 WT 4.3L srs VIN: 1GCEC14X37 DEALER HAD FOR 6 DAYS, STATED CLOCK SPRING WAS FAULT BUT MAKES NO SINCE SINCE AIR BAG SIMULATOR WOULD CLEAR CODES, TRIED AIR BAG SIMULATOR MUTLIPLE TIMES AND EVEN TURNING STEERING WHEEL. MUST HAVE BEEN THE CONNECTER NOT RELEASEING SHORTING BAR WHEN INSTALL A... |
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| 1993 Oldsmobile Achieva S 2.3L Misfire, RUNS REAL ROUGH VIN: 1G3NL1436P SORRY FOR THE LATE CLOSING CUSTOMER JUST FIXED CAR THE HEAD GASKET WAS BAD AND WE ALSO FOUND A SMALL CRACK IN THE INTAKE VALVE SEAT REBUILDT HEAD AND REPLACED TIMING COMPONENTS CAR NOW RUNS FINE THANKS TO ALL WHO RESPONDED |
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