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Prev Professional Automotive Repair Technical Discussions for January 4, 2009
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(Also Available: All, Asian, Chrysler, European, Ford, GM.)
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Open Help Requests for GM
Help Request Answers
1984 Chevrolet K20 Suburban Custom 6.2L Surge, Wide open throttle! VIN: 1G8GK26J2E
THis is my own truck, and I am new to this stanadyne injection pump,It wasn't starting, so I changed the lift pump (aka mechanical fuel pump) it was bad. I would crank it for long periods of time, and it wouldn't even try to start. after reading through the he...
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2001 Chevrolet Monte Carlo LS 3.4L MIL Lamp on, A/C INOPERATIVE VIN: 2G1WW12E21
I need some help with this one! The vehicle came in with the service vehicle soon, battery, security and low coolant lights on and a code U1064, I have cleared the code it came right back. I have also checked the charging system, security system and the coolan... Trouble codes: U1064 (communications error)
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1993 GMC K3500 Sierra 6.5L TPS stuck on 1.76v VIN: 1GTHK39PE6
1993 GMC pickup 6.5L Diesel with OBD1 TCM, Harsh Shifting TCM scanner shows reading of tps volts 1.76 ,tps angle 35%, both stay stuck at those readings. Checked TPS 5V reference, and it is OK. With a multimeter The TPS signal at the TCM connector varies as it...
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Fixes & Summaries for GM
Fix/Summary Answers
2002 Chevrolet Suburban 1500 LS 5.3L Poor Idle Quality VIN: 3GNFK16Z52
THANKS TO ALL 25 REPLIES IN LESS THAN 3 DAYS.SPENT EARLY SAT. MORN. R+R'N INTAKE GSKT'S. WOKE UP SUN. MORN. HOOKED UP TECH2 AND SCANNED AWAY. IDLE SMOOTH, O2'S SWITCHING NICELY,MAF g/ps NOW MEETS IAC DESIRED g/ps, HOWEVER STILL STAYING IN OPEN LOOP FOR ABOUT 7...
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