Deceleration Fuel Cut System
Start engine and run at idle. Disconnect vacuum hose to the vacuum switch. A click should be heard/felt at the 2nd fuel cut solenoid. If so, system is working properly. If not, test switch and solenoid valve.
Start engine and run at idle. Disconnect vacuum hose to the vacuum switch. A click should be heard/felt at the 2nd fuel cut solenoid. If so, system is working properly. If not, test switch and solenoid valve.