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1988 Porsche 928 S4 5.0L Excessive Emissions, high injection pulse
Posted to European Driveability on 6/7/2004 7 Replies

This car is running very rich - no load idle pulse widths hitting 6-10 ms. Power & ground supplies to ECU are ok, esp sensor grounds. Has new MAF. Fuel pressure ok. Identifix thinks the ECU is the problem. Has anyone found a good remanufacturer of Bosch ECU 's...

7 Replies Received (View Replies)

  Related Documents & Media  1988 Porsche 928 S4

 
Message Closed w/FIX

car Vehicle Data

1988 Porsche 928 S4

VIN WP0JB0923J
Engine5.0 L / 8 cyl / GAS
Trans4-speed Automatic
DeliveryFI / LH
EmissionsUS FED
SymptomsExcessive Emissions, High Injection Pulse
OccursAlways
Message Closed w/FIX

car Vehicle Data

1988 Porsche 928 S4

VIN WP0JB0923J
Engine5.0 L / 8 cyl / GAS
Trans4-speed Automatic
DeliveryFI / LH
EmissionsUS FED
SymptomsExcessive Emissions, High Injection Pulse
OccursAlways