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Auto Tap ?????????

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Old Apr 10, 2002 | 05:47 AM
  #1  
SoCal LS1's's Avatar
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On The Tree
 
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From: Bakersfield CA
Default Auto Tap ?????????

My car is missing at idle and I want to tell if it is due to a bad valve job that was done on the heads. Can I use auto tap to find this out.
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Old Apr 10, 2002 | 11:28 AM
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From: Iowa :-/~
Default Re: Auto Tap ?????????

It will tell you if you have a miss, it will tell you what cylender but I don't think it will tell you if it is in the heads.
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Old Apr 10, 2002 | 08:35 PM
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From: Clarkston
Default Re: Auto Tap ?????????

The mis-fire current reading tends to become useless at idle when the valve-train is modified. I've gotten usable data above about 1200 though.

You can try. The "misfire current cyl X" displays the number of misfires out of 200 and then resets. Don't worry about 10 or 15 here and there, look for consistant 40's and 50's.

Mark
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