1979 Porsche 911 Repair Question
Topics covered: Engine, Engine performance, Performance.
Mileage: No information provided.
Mileage: No information provided.
Asked on September 7, 2010
1979 Porsche 911 Idle problem
Engine Performance problem
1979 Porsche 911 6 cyl Two Wheel Drive Manual 140.00 miles
I have 911 sc It starts an runs perfect, but after it warms up the idle wont go below 2000 rpm, its still fuel injected, vacum line are good and intact
1979 Porsche 911 6 cyl Two Wheel Drive Manual 140.00 miles
I have 911 sc It starts an runs perfect, but after it warms up the idle wont go below 2000 rpm, its still fuel injected, vacum line are good and intact
Asked by shooter5454Answer
Replied on September 9, 2010
Check the aux air valve,it should be closed when engine is warmed up.Its controlled electrically and its designed to be a controlled air leak around the throttle plate. As the engine warms up it closes shut lowering the idle,or it could be a sticking throttle.