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  1. S

    P0300 and Stumble

    The reason I'm baffled is because this thing runs GREAT when it's not idling.
  2. S

    P0300 and Stumble

    See, I don't mind throwing parts at it. It's a hell of a lot cheaper than throwing parts at the plane and I like a good challenge.
  3. S

    P0300 and Stumble

    Ok, changed the fuel filter. Apparently this is a Flex Fuel vehicle. Learned something new.... While the P0300 code hasn't shown up yet, I did get a flashing CEL while idling. Idle still feels lumpy. I can still feel a bit of a miss. KOEO - 45 even.
  4. S

    P0300 and Stumble

    KOEO - 45
  5. S

    P0300 and Stumble

    I have a Centech 60794 - I don't think I can pull misfire data. I'll have to wait until tomorrow to take it over to a shop to have it read
  6. S

    P0300 and Stumble

    Fuel pressure is 42 at idle. Goes to about 50 @ 2000 rpm at load.
  7. S

    P0300 and Stumble

    I have tried that as well. No idle changes. Tried the Seafom thing. Lots of smoke, no improvement
  8. S

    P0300 and Stumble

    Hey guys, thanks for the help. I have now tried all of the above. I still have the P0300 code. I even went as far as replacing the MAF. Sometimes the idle feels a bit better, sometimes a bit more rough. It seems the more I drive it the worse it gets. If I drive it for a bit, shut down, and...
  9. S

    P0300 and Stumble

    Crap, I just realized I posted this in the wrong forum. Can someone please move this to the 2000-2006 one. Sorry guys. It's been a long day
  10. S

    P0300 and Stumble

    This was taken from my 2002 Tahoe DTC_CNT 1 FUELSYS1 CL FUELSYS2 CL LOAD_PCT (%) 2.4 ECT (F) 195 SHRTFT1 (%) 2.3 LONGFT1 (%) 14.8 SHRTFT2 (%) .8 LONGFT2 (%) 15.6 MAP (PSI) 6.1 RPM 548 VSS MPH 0 SPARKADV 18.0 IAT (F) 123 MAF (LB/S) .01 TP (%) .4 O2B1S1 (V) .765 O2B1S2 (V) .775 O2B2S1 (V) .0485...
  11. S

    P0300 and Stumble

    DTC_CNT 1 FUELSYS1 CL FUELSYS2 CL LOAD_PCT (%) 7.8 ECT (F) 190 SHRTFT1 (%) -3.1 LONGFT1 (%) 0.0 SHRTFT2 (%) -2.3 LONGFT2 (%) 4.7 MAP (PSI) 4.6 RPM 1908 VSS MPH 0 SPARKADV 44.5 IAT (F) 123 MAF (LB/S) .04 TP (%) 19.6 O2SLOCB1S12--B2S12--O2B1S1 (V) .455 SHRTFTB1S1 (%) 3.1 O2B1S2 (V) .235 SHRTFTB1S2...
  12. S

    P0300 and Stumble

    DTC_CNT 1 FUELSYS1 CL FUELSYS2 CL LOAD_PCT (%) 7.1 ECT (F) 186 SHRTFT1 (%) -21.9 LONGFT1 (%) 8.6 SHRTFT2 (%) -19.5 LONGFT2 (%) 7.8 MAP (PSI) 5.1 RPM 538 VSS MPH 0 SPARKADV 18.0 IAT (F) 123 MAF (LB/S) .02 TP (%) 11.8 O2SLOCB1S12--B2S12--O2B1S1 (V) .064 SHRTFTB1S1 (%) -1.6 O2B1S2 (V) .875...
  13. S

    P0300 and Stumble

    Should I post the live data here?
  14. S

    P0300 and Stumble

    So, I tried that. I can't really figure out how to read that data. I have a pretty decent scanner, but I can't figure out how to monitor that data
  15. S

    P0300 and Stumble

    Hey guys, I've been searching for this for a while... like 2 weeks. SO I figured I would make a post to see if you guys could help me. 2005 Suburban - 5.3L - 200k I picked this thing up for a song... literally. Exterior is awesome, interior is awesome. Had a P0300 code and the guy didn't...

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