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Registered
Join Date: Jun 2007
Location: Portland OR and Taiwan
Posts: 138
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Okay, you got DTA P-8 pro. For your idle parameter > MAX duty cycle > I would reduce it to about 50%.
DTA P-8 pro idle function does not work well for me, my idle control valve was 3.2 Carrra 3 pin idle control valve. Now I ran my DTA P-8 pro without idle control valve.
You got early 964 2 pin idle control valve, there is a screw on the idle control valve body, you can adjust you idle speed higher. BUT..........it is easier to disconnect your idle control valve to locate your problem. Use 2 plugs to block idle control valve inlet and out let first.
Have you check your spark plugs, coil pack, spark plug wires? MAP sensor looks fine but set your General Engine seting >pressure ,KPA to 80 ( just incase MAP sensor fail you can be able to drive home.)
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1975 914, 1988 944 turbo S sold.
1986 944 turbo resleeve 2.7, DTA S-60 PRO.
1986 911 Carrera with 965 turbo motor, DTA S-80 PRO.
1989 930 EFI, DTA, Carrera intake, twinturbo,2x GT-35R.
1991 964 convertible, wide body conversion.
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