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  1. Plenum25

    Can't find the issue

    Going try that and cleaning the intake and throttle body
  2. Plenum25

    Can't find the issue

    Well new maf and map sensor made the idle better but now stumbles pretty bad and starts when warm. But pulled the old map sensor and it was covered in oil thinking might have to get the updated valve covers or if it is better to get aftermarket with out the pcv in the cover?
  3. Plenum25

    Can't find the issue

    Yeah those were the first go to things I thought but ready to just throw some more sensors at it just got a new maf and the map if this doesn't work
  4. Plenum25

    Can't find the issue

    Tried both
  5. Plenum25

    Can't find the issue

    Unplugged it and no change in idle. Unplugged map sensor and started to atumble. But fuel pressure seemed like it was good when trying to start when it would crank with no start. But then held gas pedal down and then turn key and it started but it was a hard start
  6. Plenum25

    Can't find the issue

    Well dug into it a little has spark and the injectors are pulsing. But pull the intake tube off between the maf and throttle body while it was idling and seemed to make no difference. The readings on maf didn't change.
  7. Plenum25

    Can't find the issue

    Yes crank but no start
  8. Plenum25

    Can't find the issue

    No didn't touch coils before and the plugs, wires and fuel pump were first the problem was still there and then the cam and crank sensor were the day after. But the cam sensor was a pain came out in small pieces.
  9. Plenum25

    Can't find the issue

    Was going to take it for drive tomorrow to get it to not start and try to use starting fluid to start it and check spark and check the trans haven't thought of that.
  10. Plenum25

    Can't find the issue

    Haven't tried that yet but will have to give look into to it tomorrow.
  11. Plenum25

    Can't find the issue

    Fuel pump was original thought and cam and crank were just frustration replaces thinking those might be the problem and the plugs and wires have were replaced at the same time as the fuel pump.
  12. Plenum25

    Can't find the issue

    Question if anyone has had a problem like I am having. So I have a 2007 yukon xl Denali with 200k miles that dies at idle when driven for more than 20 minutes and won't start until you let it cool down for about 45-60 minutes. Things I have done to try to fix the issue. New fuel pump New cam and...

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