996 Turbo / GT2 Turbo discussion on previous model 2000-2005 Porsche 911 Twin Turbo and 911 GT2.

5K Hesitation funny found

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Old Sep 18, 2011 | 12:11 PM
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Unhappy 5K Hesitation funny found

Engine drop to have some vacuum and oil tube clean up, before I have plugs, coils, DVs replaced, but none of them helps.

I had test it and test it more than 20 times tonight, hesitation will NEVER happen if I floor it from dead stop, but if I floor it in rolling, whenever 1.5K, 2K or 3K rev, hesitation @ 5K would be happen.

Whats going on? I am about to mad on this for couple months.
 

Last edited by boyg; Sep 18, 2011 at 12:19 PM.
Old Sep 18, 2011 | 12:41 PM
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Have you tried unplugging the MAF yet?
 
Old Sep 18, 2011 | 02:05 PM
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Old Sep 18, 2011 | 03:45 PM
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disconnect the maf harness. its easy... if it goes away its your maf.. if not its something else..
 
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Old Sep 18, 2011 | 04:56 PM
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I had that same hesitation and took Markski's advise and did a boost leak test just to rule it out but found nothing and then swapped plugs for iridium ones and tested the output of the coils w/a multimeter and the coils checked out. My problem was solved w/new plugs.
 
Old Sep 18, 2011 | 06:13 PM
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Plugs were changed 3K miles before, didnt help.
MAF were tried to disconnect, car runs more worse than have it pluged.

The real funny thing is, floor it from dead stop it performs fine.
 
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