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Light Miss Under Acceleration

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Syndicate13

20+ Year Contributor
1,511
30
Jan 5, 2003
Ft. Myers, Florida
Well I took my car out for a drive a few minutes ago and was checking my O2's as I always do in third gear. I step on it and boost comes on hard and strong and my O2's go up to 1.02 and hover, at the same time I feel this slight miss and a very slight popping sound from the exhaust. Now judging by the O2 readings I suspect a boost leak and will test for one as soon as the car cools off, but would a boost leak cause the miss? Or is there possibly something else I need to look for? Thanks for any help.
 
realhp=turbo said:
Check the turbine-to-O2 housing flange. It sounds like a leaky exuast, to me. :dsm:

I could understand the popping being caused by the exhaust leak, and I suspect I do have one at the O2 housing, but I doubt it caused the miss. Anywho I found a fairly sizeable boost leak and corrected it and the missing problem seems to have gone away. Thanks though.
 
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