Corrado V6-2792cc 2.8L DOHC (1992)
Air/Fuel Mixture: Testing and Inspection
Acceleration, full throttle enrichment and fuel deceleration shut off, checking
Requirement
-
VAG 1551 Scan Tool connected
- start engine and let Idle
- press 1 button to select operating mode "Rapid Data Transfer"
-
display will appear as shown
- press 0 and 1 buttons to select address word "Engine Electronics"
-
display will appear as shown
- press Q button to enter input
- press => button
- press 0 and 8 buttons to select 08 "Read test value block"
- press Q button to enter input
-
display will appear as shown
- press 0 and 4 buttons to select display group 04
-
display will appear as shown
- press Q button to enter input
-
display will appear as shown
- continue with checking only if engine coolant temperature exceeds 80°C (176°F)
- let engine idle for approx. 2 minutes
- observe display value in field 4
-
display value must be 00010 at idle
- raise engine speed to approx. 3000 RPM using accelerator pedal
-
display value must be 10100 (briefly)
- release accelerator pedal
-
display value must be 00011 (briefly) and then become 00010 at idle
- press => button