lemon-mirror:
Home >> Chevrolet >> 1990 >> APV >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls - Basic Testing >> Fuel System Pressure Relief >> Model 220 TBI Unit

Model 220 TBI Unit

WARNING: To minimize the risk of fire and personal injury, cover area to be disconnected with a shop rag.

Fuel pressure is relieved and drops to zero when ignition is turned off.