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Professional Automotive Repair Technical Discussions for February 28, 2008 International Automotive Technicians' Network (iATN) - Members Only |
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Open Help Requests for GM
| Help Request | Answers | |
| 2005 Buick LeSabre Custom 3.8L Fuel & Speedo VIN: 1X5V149240 Good Morning GM Techs. We Have A 2005 Buick Lesabre Limited That At Times The Speedo Drops Out And Other Times The Fuel Gauge Goes Way Past Full. Owner Brought It By This Morning With The Fuel Gauge Past Full. Installed Tech 2 And No Codes. Did A Gauge Sweep B... |
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| 1990 Cadillac Brougham 5.7L Stall VIN: 1G6DW5476L this thing is weird it will die almost all of the time when put into gear and doesnt matter what gear it is in sometimes it will take a few seconds 10 max the other thing is that it only does it when at operating temp.this symptom was there before these parts ... |
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| 2001 Cadillac DeVille 4.6L Starting VIN: 1G6KD54Y01 Hey guys I replaced the torgue converter and solenoid in the trans thought I had everything hooked back up I have interior and headlamps but car is dead when I hit the key it does say service theft system, I checked ground on the engine, its tight I did ha... |
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| 1995 Chevrolet Caprice Classic 5.7L Poor Idle Quality, Cuts out VIN: 1G1BL52P8S This engine was installed in this impala ss.The car left here and the customer said that the engine was running fast.Now when the engine is cold it won't idle by itself,but once it is warm it would idle at about 475 rpm.There are no codes in the comp.At idle t... |
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| 1999 Chevrolet Silverado 1500 4.8L Stall, Misfire VIN: 1GCEC14V8X truck came from another shop, they replaced plugs wires coils, still has missfire on cyl 1 and 6 we switched injectors, and replaced intake manifold for gasket prob, still have missfire off idle from 1000 to 1500 high rpm miss goes away and idle doesn't miss h... |
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| 2000 Chevrolet Express 3500 5.7L stalls at high rpm VIN: 1GCHG39R8Y I need help guys! This van came in becuase it wouldn't accelerate on the highway. Initial scan showed a lazy O2 sensor. after replacing, voltage is in range but problem persists. Now everything is scanning in range but while watching live data, I noticed the s... |
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| 2000 Chevrolet Astro 4.3L No Start, Cuts out, Stall, MIL Lamp on VIN: GCDM19W8YB hi guys. this one has got me crazy just like most of them when i come here and post! ha! well it started with the truck intermittently cutting off while driving out of no where but once you stopped it would restart again no problem but it would do this one tim... Trouble codes: P1361, P1626 |
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| 2002 Chevrolet Trailblazer LS 4.2L license plate lights VIN: 1GNDS135X2 I have checked the circuit the fuse all seem to be good I have proper voltage. When I replace the bulbs for the license plate lights they work fine for for a wile then in a few weeks to a month or so they both will burn out. Has any body ran into this problem? |
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| 2004 Chevrolet Silverado 2500 6.0L plugged VIN: 1GCHK24U14 This is my personal truck, bought the truck this way. Catalytic converter is plugged causing the left bank to misfire. Problem is its a california truck and must pass smog. I can't seem to find any aftermarket replacements. Anyone have any ideas for universals... |
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| 2007 Chevrolet Silverado 2500 HD Classic WT 6.0L transfer cas VIN: 1GCHK29U07 The VIN is from my personel truck with about 15,000 miles. This week I had a 2003 2500HD come in with no 4X4 operation. Took shift motor out and shifted by hand and still no operation of 4X4. Sent to trans shop that I use since it was a mechanical condition. S... |
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| 1997 Geo Metro LSi 1.3L Stall VIN: 2C1MR5298V Vehicle came in with a concern of stalling while turning the wheel. Found no power steering pressure input while turning for the idle up. Four days later located a ps pressure sensor (vintage parts incorporated) after installed now only have ps input at the li... |
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| 1998 GMC C1500 Sierra SL 4.3L Engine VIN: 1GTEC14W5W I have just replaced the lower intake manifold gaskets on this engine. I followed the specs to the letter for torque. I used a vacuum and used the plastic discs for cleaning. I am ready to start tear down again if I cannot determine the noise. I believe it is ... |
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| 2003 GMC Yukon Denali 6.0L Poor Idle Quality, Hesitation, Cuts out, MIL Lamp on VIN: 1GKEK66U33 Thanks in advance, I have read most of the fix database archives and have checked the grounds (even the difficult to reach left rear head) checked the wiring (espicially the yellow), pin drag tests, scoped TPS's and 5v ref. and ground, even installed a temp. g... Trouble codes: P1516 (Elec. Throttle Mod. VS) |
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| 1999 Oldsmobile Alero GL 2.4L front end VIN: 1G3NL12TXC Car came in with a clicking noise in the front end while turning to the right. Of course I thought drive axles. I have gone crazy trying to identify this noise and I am at the end of my rope. The noise is coming out of the front end and it sound like both left... |
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| 2000 Oldsmobile Silhouette Premiere 3.4L idiot lights VIN: 1GHDX13E8Y vehicle came in with noisy lf hub, no speed sensor signal. Replaced the hub unit, now it has good speed signal from all four wheels. The SERVICE TRAC CONTROL, ABS, and TRAC OFF lights are on most of the time. Scanned, and found code PO1218 (short to battery). ... |
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| 2002 Oldsmobile Alero GX 2.2L MIL Lamp on VIN: 1G3NK52F72 Hello, thanks for reading. Im have adopted this olds. Originally had a melted cat due to leaking fuel press. reg. Now has returned with a 420 cat eff. code. An aftermarket cat was installed. We have a different cat coming. I talked to walker tech line and they... Trouble codes: 420 (cat eff.) |
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| 2002 Oldsmobile Alero GL 2.2L abs lamp VIN: 1G3NL52F22 about 1 month later vehicle returned to shop w/anti lock lamp lit again. scanned same code as before.replaced hub w a/c delco part. appeared fixed again returned to customer. car has been back on monthy basis ever since. performed pinpoint diag on rf wheel spe... |
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| 2000 Pontiac Bonneville SE 3.8L Stall VIN: 1G2HX54K8Y drive vech highway and randomly it will cut out and restart we are going to atemped to take a snap shot and hook up a fuel guage and run the vech to try and see what could be going on . we have had the vech runing in the shop and could not get it to stall .any... |
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| 1997 Saturn SW2 1.9L ignition switch VIN: 1G8ZK8279V Hello, we need to replace the electrical portion of the ignition switch on this sw2. We will probably replace the key and cylinder also to address intermittant hard to turn key complaint. One of my guys said if we replace the switch we will have to send the ca... |
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Fixes & Summaries for GM
| Fix/Summary | Answers | |
| 1998 Buick Park Avenue 3.8L Wingless Replacement Key Cyl Pins VIN: 1G4CW52K8W Our local area region as 1 salvage yard ... and not current with anything close to this vehicle. Buying salvage yard parts is not hardly ever a good choice for us. We are the county seat. But still relatively low numbers of population and vehicles in salva... |
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| 1999 Cadillac Seville SLS 4.6L Mechanical VIN: 1G6K554Y8X This caddy is out the door, it does look hard and I didn't think I would ever do one but it wasn't bad at all. I just put a engine in a 96 chevy beretta 3.1 and I don't know that the caddy wasn't easier. Out the bottom and changed over the regular acessories,... |
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| 1990 Chevrolet Lumina 2.5L fuel gauge VIN: 2G1WL54R3L Thanks to everyone who responded with help. I tested that @#$% purple wire from the gas tank connector to the connector on the IP. on continuity scale got a reading of 0.578 K ohms. Not very high so I thought I'd see if the %$#@ purple wire will flow amps. Pu... |
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| 1995 Chevrolet K2500 Cheyenne 5.7L pinging VIN: 1GCFK29K5S sorry it took so long to get back to everyone.i tested egr and soleniod and they are both working and ports are clear.this style egr really does need to have the back pressure from the converter.i restricted the tailpipe and no more pinging.thanks to everyone ... |
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| 1996 Chevrolet Caprice Classic 5.7L odometer VIN: 1G1BL52P3T Thanks for all the feedback. I priced a new cluster at the dealership and it was about $600.00. With the advice of one member who suggested a speedometer shop in my area, I will now be able to have it repaired for about a third of the dealership cost. Thanks a... |
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| 1998 Chevrolet Cavalier 2.2L MIL Lamp on VIN: 3G1JC5244W Well, unfortunately I have to close post this without a resolution. I tried an new EGR valve on the vehicle, because I didn't have a signal return output to the PCM. (5v reference was good, as were both grounds). I was thinking that this system was being disab... Trouble codes: P0403 (EGR system). |
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| 1999 Chevrolet Venture 3.4L Poor Idle Quality, Misfire VIN: 1GNDX03E7X I apologize for taking so long to reply. the owner needed his vehicle back,so we had to button it up and return it back to the customer. I'm still waiting for him to return. Trouble codes: P0300, P0301, P0303, P0305. |
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| 2002 Chevrolet Express 3500 5.7L rear wheel speed sensor, abs module VIN: IGAHG39R42 After re checking all the wiring and sensors and putting two used ECBM in the van we got a new one from the dealer. The ABS light stayed out and no codes came back. Wanted to send to the dealer to get the tire size calibrated but the customer was being a dif... |
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| 1997 GMC C1500 Sierra SL 5.7L MIL Lamp on VIN: 2GTEC19R8V The techs that told me that I was checking the wrong O2 were correct - the best help was the reference to the bullitin refering to the confusion of O2 locations - I guess never assume -- after replacing the correct O2 everything was fine Trouble codes: P0141 (O2 Heater Inactive). |
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| 2005 GMC Sierra 2500 HD 6.0L signal,headlites VIN: 1GTHK29V65 thanks to 6 good replies i received all were helpful.what i ended up finding was broken ground wires at left front corner of the radiator support.g100 in wiring schematic.thanks again to those who replied greatly appreciated.iatn is a huge help to the industry... |
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| 1993 Oldsmobile Cutlass Supreme S 3.1L Hesitation VIN: 1G3WH54T0P Thanks for all the responses and ideas from all who responded. Sorry so long to close but customer just brought vehicle back this week. Larry, Gene, and a couple other guys pointed towards an egr issue, that all checked good. Rick and John pointed to cts, that... Trouble codes: 35 (idle speed error). |
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