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Prev Professional Automotive Repair Technical Discussions for March 30, 2008
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Open Help Requests for GM
Help Request Answers
1997 Chevrolet Tahoe 5.7L Surge VIN: 1GNEC1327Z
this truck is in my shop. thought at first it was another fuel pump. but after checking pressure not sure. it has 55 psi during 2 second prime and stays at 60 once started, mounted gauge on hood for road test and under load when it acts up never goes below 50 ...
2000 Chevrolet Tahoe LT 5.3L t/s flasher VIN: 1GNEK13T4Y
The t/s 4 way flasher you can here click the t/s or 4 ways are not on. You put your foot on the brake the noise may stop. No lights flash anywhere when the flasher clicks. T/S and 4 ways do work just fine. We think there may be a problem in the multifunction s...
2001 Oldsmobile Alero GL 3.4L MIL Lamp on VIN: 1G3NL52E31
hay guys this one has me stumped at idle egr position is 11% to 15% egr position voltage 0.78v at egr and at ecm. egr learned min position is 0.41v, reference voltage 5.00v. With egr unplugged egr position at ecm is 0% if you jump rev reference to egr positi... Trouble codes: P1404
1998 Pontiac Bonneville SE 3.8L MIL Lamp on VIN: 1G2HX52K4W
Hi guys well as you can see this car is kicking my butt and i'm not giving up even if i have to buy it. Came in with a p0171 logged.Of course it has only one upstream o2 so the whole engine could be lean. After a visual inspection i found the vacuum line going... Trouble codes: P0171

Fixes & Summaries for GM
Fix/Summary Answers
1994 Buick Century Special 3.1L MIL Lamp on VIN: 1G4AG55M5R
The wiring going to the solenoid was pinched under the solenoid bracket. Thanks to the techs that responded. They were all right in there answers. Thanks again. Eddie Trouble codes: P1640 (Computor code).
2000 Buick Century Custom 3.1L most grids VIN: 2G4WS52JOY
first of all..thank you all for the courtesy you have extended to me and my students...the general opinion is that at some time in the past the grid might have been scraped by something...weakening the area...this naturally makes the most sence to me...I tell ...
2004 Cadillac Escalade EXT 6.0L Sound System VIN: GYEK62N44G
Hi everybody, many thanks for everyone who helped me with informations on this car, the problem is that the sound amplifier needs to be programmed and unfortunetely here in Nigeria we don't have a dealer for American cars and no scanners that can program it so...
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