Question about 1986 Porsche 944
All sensors and plugs oil gas distributor etc car runs perfect referee says gasoline and air mixture is too lean
Probably Nox too high. Can also be engine too hot. Last time cooling system serviced? Also can be carbon in the combustion chamber ignites fuel too soon. Fuel delivery system and all sensors may be a problem. Bad or corroded connections can contribute to bad behavior of the ECU.
Posted on Apr 08, 2015
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Posted on Jan 02, 2017
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