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Professional Automotive Repair Technical Discussions for October 1, 2010 International Automotive Technicians' Network (iATN) - Members Only |
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Open Help Requests for GM
| Help Request | Answers | |
| 1984 Cadillac DeVille 4.1L MIL Lamp on VIN: 1G6AM4783E Hi Y'all! The old caddy NOW sets code 19, fuel pump relay circuit. What is wierd, The car will run with oil press switch and fuel pump relay unplugged. OK, I have done most maintenance for long time. I KNOW the light hasn't been on in the past. Car was towed i... Trouble codes: 19 (Fuel pump relay circuti shorted to 12v) |
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| 1985 Cadillac Fleetwood 4.1L Stall VIN: 1G6CB4782F this one came in as a stalling condition. customer had to "feather" the gas pedal to keep it running. I checked the cat for restrictions and found none--smells rich when trying to get it going. had a code 44 - lean burn condition...had 5 psi at the fuel pump--... |
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| 1999 Cadillac Catera 3.0L No Start VIN: W06VR54R9X Customer claim's car will drive fine,sometime's for days then for no rhyme or reason decide to turn over fine but not start . I can't see what troubles stored would have to do with this erratic condition. So before we start pulling out the last few hair's we h... Trouble codes: P1141, P0140, P0030 |
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| 1978 Chevrolet Monte Carlo Sport 5.0L no vin I am sorry to ask this but where else can i find a vin number i have this semi show car in my shop. The customer owes us about 2900.00 plus storage for 2.5 months i need the vin to do the mechanical lean this has a custom dash no vin nothing under the rear sea... |
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| 1986 Chevrolet Corvette 5.7L No Start VIN: 1G1YY67861 Hi. Have this corvette that has a long cranking time before it starts. Has no fuel pressue while it cranks the all of a sudden fuel pressure picks up slowly then it starts. Worse when cold. Suspecting fuel pump relay but cant find it. Mitchell says beside blow... Trouble codes: 36 (Maf sensor burnoff), 54 (Fuel pump voltage to high or low) |
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| 1995 Chevrolet Lumina 3.1L Turn Signals VIN: 2G1WN52M85 Hello folks, I have a strange problem where my turn signals don't work. The 4 way hazzard flashers work fine, and all bulbs are good. When you turn the signal on in either direction, the combo flasher buzzes and sounds like a Geiger counter. First I replaced t... |
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| 1998 Chevrolet K1500 Silverado 4.3L steering VIN: 1GCEK19W7W Hello all. We have a good customer's Chevy pickup with an intermittent loss of steering assist. Seems to do it during parking lot maneuvers, backing into a parking spot, for example. If you get it rolling again, assist will return. We checked everything we can... |
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| 1998 Chevrolet Cavalier 2.2L Poor Idle Quality, Hesitation, Cuts out, Stall, MIL Lamp on VIN: G1JC5246W7 Hey guys I have a car that i just cant figure out. Car was dead on the road would start but would die if you gave it gas. This morning i come into the shop and it fires up fine runs fine had a code for p0107 map sensor low circut. I tested the connector to the... Trouble codes: P0107 |
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| 2000 Chevrolet Silverado 1500 LS 5.3L No Start VIN: 1GCHNHF3J3 I know were supposed to diganose to are fullest extent but im very busy this week, fuel pump wont kick on right away when ignition is turned on if you turn it off then back on twice it will kick on, or turn it on and leave it on it will evenetully turn on, thi... |
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| 2001 Chevrolet Express 2500 5.0L Misfire VIN: 1GCFG25M41 This van entered our vehicle donation program as a no start. The PCM case was split open with corrosion as were some some of the circuits inside. There was no communication. I installed a used PCM. After learning the key the van ran with a dead miss but no mis... Trouble codes: P0341 (CMP sensor circuit out of range), P0418 (Air pump relay control circuit problem) |
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| 2002 Chevrolet Cavalier Z24 2.4L MIL Lamp on VIN: 1G1JH52716 Hey guys got another wonderful gm product. 2002 Cavalier Z24. Mil on and a slight bump at idle. P0171 Lean Bank 1. This vehicle was in 2 months ago with the same code. Checked 1/1 O2 and found a very slow response time and very lean biased. Choked it on propan... Trouble codes: P0171 |
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| 2002 Chevrolet Silverado 2500 HD LT 6.6L MIL Lamp on VIN: 1GCHK23142 We have a 02 duramax that failed ca smog inspection due to cel on w/ po101, maf flow/volume code. Truck had a k&n intake system installed and we tested maf system and values. Flow rate seemed to be lower than specs. Tried another maf, to no avail. Smoke checke... Trouble codes: P0101 (Maf flow performance/volume) |
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| 2003 Chevrolet Impala 3.4L radio VIN: 2G1WF52E63 this car has me stumped when the car is running and you hav the radio on and you turn the defroster on the radeio wont pick up the station have loocked at the antenna looks ok the defroster woorks fine donot see anny shorts in the grid to antenna the white wir... |
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| 2003 Chevrolet Silverado 1500 LT 5.3L MIL Lamp on VIN: 2GCEK19T33 Engine light on intermittantly. Today we tested and system was not holding pressure but during test, it started holding pressure, but we did not change anything. Changed evap valve as per TSB twice now (thought might have been sticking). Light came back on. ... Trouble codes: P0422 (Evap leak small), P0463 (Fuel level sensor) |
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| 2005 Chevrolet Equinox LT 3.4L Drive Shaft VIN: 2CNDL23F95 We have replaced the center hanging bearing in this Equinox LT. When we removed the drive shaft the front CV joint in it came apart. We had to heat the front section to get it out. With the center hanger bearing replaced the and the drive shaft re-assembled (i... |
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| 2006 Chevrolet HHR LS 2.2L Abs,Air Bag, VIN: 3GNDA13D36 I normally only work on German cars. My friend took an HHR that he bought running and driven to the detail shop from the auction. Check engine light was off. Some how the detail shop shorted the power wire to the cig. light to its ground. I removed the dash an... |
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| 1989 Pontiac Bonneville SSE 3.8L Poor Idle Quality, Misfire VIN: 1G2HY51C9K Vehicle came in with rough idle. Diagnosed it. Used DIS attatchment tester to check for KV. Number 3 and 6 had 6KV, other 4 had 15 KV. Number 3 and 6 were misfiring. Checked for spark on the 2 misfiring. No spark. Looked at plugs, fouled. Other 4 look good. Th... |
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| 2001 Pontiac Grand Am SE 2.4L Fob VIN: 1G2NF52T71 Hi Guys, I'm into another pain in the ***. This car was towed in as a no start. I found the BCM full of water so I ordered a new one. I drove the car to the dealer to program the BCM because I do not have a Tech II ( I'm running Auto Enginuity). The tech came... |
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Fixes & Summaries for GM
| Fix/Summary | Answers | |
| 1995 Buick Regal Gran Sport 3.8L Hesitation, Cuts out, Stall, MIL Lamp on VIN: 2GYWB12L4S Hey, thank you for your replies. Well, I am embarrassed and a bit ticked off on this one. Below the alternator on the front of the engine block there is a stud with a gang-ground that is covered by a worthless cover plate about 5 inches in diameter that is mou... Trouble codes: P1361 (Ignition toggle error). |
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| 1994 Chevrolet K2500 5.7L Poor Idle Quality, Misfire VIN: 1GCFK29K1R thanks for the help found the dist drive gear bad . had to remove the dist & ck the gear .replace dist drive gear all is ok at this time. |
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| 1999 Chevrolet Express 2500 5.7L brakes VIN: 1GCGG29R7X sorry about delay in closing this fix , vehicle was repaired by replacing proportioning valve on hydraulic control unit and replacing the rear shoes . |
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| 1994 Pontiac Bonneville SE 3.8L front crank seal VIN: 1G2HX52L7R The car is fixed! Thanks you everyone who took the time to give me advise on this one. The first front crank seal I ordered was from the dealer, they sent me a felpro. The next 2 were also felpro. I took it apart one final time and double checked everything in... |
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| 2005 Pontiac Montana 3.4L left power door VIN: 324GSD6485 thanks for all the help this one did not make sence it would not work from outside handle but it would work from inside handle thay did the same thing i replaced the door latch and it works |
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