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    ECM won't advance timing like it should

    I think I'm just gonna get rid of this TBI set up and convert it to a carb and vacuum advance distributor and be done with it. I've spent a lot of money trying to get it to work and I'm sick of messing with it. I should have just done this to begin with.
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    ECM won't advance timing like it should

    No knock sensor activity. Randy @ Prevat performance in Tulsa did the tune and he is stumped. He said he worked on it all day trying different stuff and could not find any reason for it to be pulling timing. He thought it was something in the distributor or ICM. My mechanic has replaced the...
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    ECM won't advance timing like it should

    '94 c1500 with a new 355 blueprint engine. I used the original TBI with 80 lbs injectors, vortec fuel pump and FPR, with a custom tune. It runs good, but it's not advancing the timing like it should. With a scanner hooked up, it shows 10 degrees of timing at idle and when the motor is raced...
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    Aftermarket transmission controller

    Well, I replaced the 350 with this Blueprint 355 and used the stock TBI. I upgraded the fuel pump to a vortec fuel pump, FPR set @ 18 psi and 80lbs injectors. It runs pretty good but it ain't right. I have a tuner that says he can dyno tune it and get it right but I'm skeptical. I'm gonna...
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    Aftermarket transmission controller

    Has anyone here installed an aftermarket trans controller on a 4l60e trans? If so which one did you go with? I have a '94 2wd step side.
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    c1500 2wd mevotech

    Has anyone put the mevotech supreme front suspension kit on you c1500 2wd?
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    Code 43- Master relay open or grounded

    I've talked with a very reputable shop about it and I'm gonna take it to them and let them fix it. I just hope it is just crap gaskets or the heads not torqued properly and not a cracked head. I think the knock sensor is not the right one but the shop said they'd fix that too.
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    Code 43- Master relay open or grounded

    After talking with him and hearing him say that he saw the bubbles coming out of the radiator before I picked it up, but yet he let me pick it up anyway and didn't say anything about it, I don't have any confidence in taking it back to him. The motor runs good and sounds strong, even with the...
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    Code 43- Master relay open or grounded

    Lol, My bad. '94 2wd 5.7/4l60E. I had a new motor built, 4 bolt main bored .060 over w/flat top pistons and a mild cam. It runs pretty good except the check engine light stays on. I got a "code reader" that essentially only does what a paperclip does and short across the top right 2 holes to...
  10. D

    Check engine light

    I got that description from the book that came with the "scanner". It flashes blink, pause, blink-blink, 3 times in a row, which should be code 12(confirming it's in diagnostic mode). Then it pauses and flashes blink-blink-blink-blink, pause, blink-blink-blink, 3 times in a row, which should...
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    Code 43- Master relay open or grounded

    I got this code showing and that is what the book shows it is. Where should I look or what do I check?
  12. D

    Check engine light

    OK I got the code reading issue fixed. It shows a code 43 (master relay open or grounded) Where to look or what to check?
  13. D

    Check engine light

    When I disconnected the battery to clear codes and hooked it back up, I plugged in my "scanner" and the CEL flashed like t is suppose to.
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    Check engine light

    No paperclip, I have the "code reader" that only has 2 pins that essentially does what the paperclip does. When I turn on the key KOEO, the light does not flash, just comes on and stays on.
  15. D

    Check engine light

    My check engine light is on constant. When I try to read the codes, it will not go into diagnostic mode. When I turn the key on, the check engine light just comes on and stays on. I disconnected the battery and cleared the codes and retried to read codes and it did the diagnostic mode flashes...
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    aftermarket transmission cooler

    Some do and some don't come with rubber hose.
  17. D

    aftermarket transmission cooler

    When you install an aftermarket transmission cooler, do you have to put new cooler lines from the transmission or can you extend the stock lines.

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