|
The idle is slowly revving to 1400 rpm, then dropping quickly to 600-700, right?
This indicates that the TPS is not adjusted correctly. The ECU thinks that the engine is at 0 throttle, and it isn't (thermal wax). This results in it revving until it hits the decel fuel cut, resulting in rrrrrrrrrrrrr -- duh rrrrrrrrrrr -- duh, etc.
__________________
1986 GXL ('87 4-port NA - Haltech E8, LS2 Coils. Defined Autoworks Headers, Dual 2.5" Exhaust (Dual Superflow, dBX mufflers)
1991 Coupe (KYB AGX Shocks, Eibach lowering springs, RB exhaust, Stock and Automatic)
|