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Old 10-06-2011, 05:30 PM
stevebez stevebez is offline
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Join Date: May 2007
Posts: 34
Default HFS6 and misfire code.

Hi there...

Two issues coming up now... I get a cyl misfire P0305 / P0307 and it seems to occur when the engine at part throttle. It only occurs if I have been using the Aquamist. No issues under WOT.

Have thresh at 72% and other items at mid values. At mom have not adjusted for boost, but in process of trying this soon.

One thing I have noticed is the HFS keeps spraying for at least 2-3 seconds after I am completely off the throttle. Is this correct? What I believe is happening is I get some pooling of water in the intercooler section and then this water travels through under part throttle (no boost) into the cyl / combustion and giving the misfire code/s....

Hopefully with the boost compensation the trailing spray will be reduced a bit. Unless I switch to a MAP based water delivery setup...

Any ideas / sugegstions welcome.
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