Corrado L4-1781cc 1.8L SOHC SC (1991)
- raise engine speed to approx. 3000 RPM and then release throttle abruptly
-
LED must go out briefly (indicating deceleration fuel shut-off has been activated)
Full Throttle Enrichment
Full throttle enrichment, checking
- switch OFF ignition
- connect VAG 1367 engine tester using VAG 1367/8 inductive pickup
- start engine and let idle
operate full throttle switch by hand (arrow)
-
engine speed must increase and decrease (hunts as deceleration fuel shut off kicks in)
If NO
- check idle and full throttle switch adjustment, See: Sensors and Switches - Fuel Delivery and Air Induction/Idle Switch/Testing and Inspection