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01-09-2007, 09:28 PM
| #21 |
| Senior Member  Join Date: Dec 2006 Location: Bremerton, Washington
Posts: 64
 | always fix the 1st code first. it is usually the cause of some if not all of the other codes.
__________________ 1979 Crew Cab Chevy 1 Ton Dually 454  |
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01-10-2007, 12:44 PM
| #22 |
| Senior Member  Join Date: May 2006 Location: Bay City,Michigan
Posts: 365
| I think the problem is the fuel pump. It was replaced 2 years ago and sat for about 2 years. I think My Father put in a cheaper pump instead of a good ole AC Delco pump. The pump whines terrible all the time when I start it up instead of the 2 second whine and then silence like it should be. I hope this is the problem. I still need to check the fuel pressure. I heard its suppose to be around 70# for this blazer. any input on the poundage would be appreciated.
__________________ There Is No Replacement For Displacement  |
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01-12-2007, 04:38 PM
| #23 |
| Senior Member Join Date: May 2006 Location: Bay City,Michigan
Posts: 365
| After clearing codes by unhooking the battery how long does it take for the computer to pick up any other faulty codes? My fuel pump is 50# at idle and goes up to almost 60# when I give it gas then drops to about 45# then goes back to 50#. I unplugged the fuel pump relay and it stayed running so that means the oil pressure switch is working. I turned the ignition off and tested the G terminal on the ALDL with the test light and that stayed off. Still trying to figure this thing out.
__________________ There Is No Replacement For Displacement |
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08-14-2008, 04:58 PM
| #24 |
| Senior Member Join Date: May 2006 Location: Bay City,Michigan
Posts: 365
| I forgot to post an answer to this lol. It did turn out to be the fuel pump. I'm only a year and a half late on updating this. Sorry peoples
__________________ There Is No Replacement For Displacement |
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08-15-2008, 02:17 PM
| #25 |
| Senior Member  Join Date: Jun 2008 Location: kentucky
Posts: 88
| Well I confused. I bought an EGR for a 4.3L 1994 C1500 at NAPA one time for in the neighborhood of $55.00. Are you sure about that 205 Hayden?
__________________ MY first truck was a FORD.......I've owned Chevy's ever since. 1995 K2500 4x4 5.7L Cheyenne 1991 T-10 Blazer 4.3L Tahoe Package 1998 Oldsmobile Bravada 4.3L Vortec Smart Drive |
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08-15-2008, 02:18 PM
| #26 |
| Senior Member Join Date: Jun 2008 Location: kentucky
Posts: 88
| Oh ****..this post was 2 years old!
__________________ MY first truck was a FORD.......I've owned Chevy's ever since. 1995 K2500 4x4 5.7L Cheyenne 1991 T-10 Blazer 4.3L Tahoe Package 1998 Oldsmobile Bravada 4.3L Vortec Smart Drive |
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