Theo951

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have the same type of thing with grounds. Where do I check those? Thanks
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Hi,
Start from those cables & later on you can add an additional ground from chassis to engine block.
https://rennlist.com/forums/showthre...ghlight=Ground

SchnellerUmsetzer

There are 2 on 951 one going to the bell housing close to the sensor wires and 1 in the battery box area that connect to the inside of the fire wall!

SchnellerUmsetzer

Well and this a professional PITA but on the "Air Flow Meter" there is a sealed screw that can adjust the Co2. This operation requires special equipment baut can be done.

To set the Idle correctly you need P9246 pluged in and turned on or jumper cables that accomplish the same thing. This, installed in to negates the ISV. The motor has to be warm will all fans off (AC and cooling).

This according to www.clarks-garage.com

idle is 840RPM +/-40

black944 turbo

Thanks, my CO2 was adjusted when I bought my car from the local Porsche specialist because I failed emissions. So that should be fine. Also, I had the intake off recently and did not see any signs of corrosion, I will check it again. I appreciate the info.