Mechanics

ENGINE CUTS OUT AT 4000 RPM AT IDLE

1992 Saturn Sport Coupe

Engine Performance problem
1992 Saturn Sport Coupe 4 cyl Front Wheel Drive Manual 200k miles

engine cuts out at 4000 rpm at Idle is that a saf-t feature so people wont revthem so high is it builtin the E.C.U unit. Iam a mechanic but this is a new one to me over
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Rmkmechanic
August 5, 2009.



Its normal so u dont over rev the engine they all do it. And yes its controled by the ecm.
Louie

Saturntech9
Oct 2, 2009.