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Professional Automotive Repair Technical Discussions for November 22, 2011 International Automotive Technicians' Network (iATN) - Members Only |
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Open Help Requests for GM
| Help Request | Answers | |
| 1993 Cadillac DeVille 4.9L Poor Idle Quality, Hesitation, Stall VIN: 1G6CD53B8P This old caddy came in stalling and smoking black out tail pipe. Pulled vacuum line off fuel regulator, it was leaking bad out of the vacuum port and was replaced. Now engine has a slight and sometimes bad hesitation right off idle. Checked fuel pressure and i... |
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| 1998 Cadillac Catera 3.0L No Start The car came in for a no crank I replaced the e c m Now it cranks what is asking me for a 4 digit security code I don't know how to get the security code that I need I do have s tech 2 |
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| 1997 Chevrolet Tahoe 5.7L trans 2-3 shift hesitation VIN: 3GNEK18R5V This Tahoe was towed in from an auction with the T case sitting in back of truck. Someone had gone to a lot of trouble to seal off trans so fluid would not leak out because of tcase not being installed. Parts of the tcase were missing so I assumed that was the... |
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| 2002 Chevrolet Suburban 1500 LS 5.3L Accessories VIN: 3GNFK16Z32 Very basic one i replaced the radio due to cd problem and says lock on the screen and radio code has to be punched in but local check dealer dont seem to help so i need a chevy tech to guide me on this.i understand the get a way the get 6 digit code out of the... |
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| 2003 Chevrolet S10 LS 4.3L 4x4 VIN: 1GCDT13X33 The front axels won't engage on this s-10. The front drive shaft does turn .. The diaphragm holds air and it will engage if i manually pull cable. I changed the vacuum switch (3 prong)with no result. I suspect a loss of vacuum but can't seem see the line in th... |
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| 2005 Chevrolet Silverado 1500 5.3L Mechanical VIN: 1GCEK14T85 The front brakes on this truck seem to be self applying or draging every once in a while. Its a company vehicle and when this problem developed the master cyl was replace along w/ the calipers and brake hoses.problem went away for 3 mos. And now has re-surface... |
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| 2006 Chevrolet Silverado 2500 HD LT 6.6L Poor Idle Quality, Misfire, MIL Lamp on VIN: 1GCHK23296 This is my first duramax in the shop. It has multiple codes po102, po540, po107, po301, po302, po300, po113. I cleard all codes and took for test drive. Po301 po302 and po300 came back within 1/4 mile. Truck runs like it only has 6 cylinders. Missing and shaki... Trouble codes: P0102, P0540, P0107, P0301, P0302, P0300 |
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| 1999 GMC Yukon Denali 5.7L Intake VIN: 1GKEC13R3X Vehicle came in water pump and intake gasket leaking. Intake leak on left side. We replaced the pump and intake gasket with the new improved felpro gasket. As soon as we filled it with coolant it leaked out the right side (rear of the intake). We replaced that... |
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| 2006 GMC Sierra 1500 SLT 5.3L MIL Lamp on VIN: 2GTEK13T96 Hey ya'll, Quick request for info on fuel tank pressure sensor on this truck. With system completely open my sensor is reading 1.35 volts and 14.07 inH2O. Doesn't seem right. I can pull a vac on the closed system or induce pressure and the value changes, but ... Trouble codes: P0446 |
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| 2004 Pontiac Grand Prix GT2 3.8L Starting VIN: 2G2WS52234 We installed a remote start into this grand prix with no issues. After 3 years it stopped working. The interface we used to make it work holds a programed key inside of it. The key lost its programing and the car will not accept it. How can we determine if the... |
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Fixes & Summaries for GM
| Fix/Summary | Answers | |
| 1996 Chevrolet K1500 Cheyenne 5.7L No Start, MIL Lamp on VIN: 1GCEK19R1T Thankyou to all that sent me suggestions. this is a great site to belong to. Well I was able to finally fix the truck, customer finally brought it back. it was the ignition module wiring harness. spliced a new one in and truck has not had a problem since! Trouble codes: P1351, P0430, P0141. |
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| 1996 Chevrolet Blazer 4.3L stays on VIN: 1GNDT13W2T Thank you for the good info. Replaced the radio with an after market unit and all is well. Happy thanksgiving to all |
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| 2004 Chevrolet Avalanche 1500 Z66 5.3L Engine VIN: 3GNEK12T04 Thanks everyone,when you need a hand there's no better people than mechanics to ask. That's what were here for i think. anyway going to have to close this w/o fix cause of lack of funds by the owner, but i agree with most everyone that it's cam and lifters. th... |
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| 2005 Chevrolet Silverado 2500 HD 6.6L Blower Motor VIN: 1GCHK23205 First off I want to thank everyone for their fast responses, several of you were right on when you said we should change the fan to the new design. We found a known good blower that is the new design with the smaller fan and lower amperage usage. It pulls 4... |
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| 2002 Saturn Vue 3.0L MIL Lamp on VIN: 5GZCZ63B02 Wow, thanks for all the responses. Mike & Virgil nailed it. The wiring was in fact switched, the harness(s) to bank 1, Sensors 1 & 2 were switched, It turned out when our tech swapped engines, He pulled the retaining clips off the firewall and It looked as if ... Trouble codes: P0134 (H02S Circuit Insufficient activity Bank 1 sensor 1), P0030 (H02S Heater Control Circuit Bank 1 sensor 1), P0135 (H02S Heater Performance Bank 1 sensor 1). |
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