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1987 Porsche 928 S4 5.0L Poor Idle Quality, Cuts out, Misfire
Posted to European Driveability on 11/19/2001 8 Replies

We are having a problem with this Porsche. It ran fine, then suddenly would not run for the customer. In checking the vehicle, we found it hard to start and running very lean. Checked fuel pressure, and oddly enough, it was higher than spec at 58 psi (spec is ...

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car Vehicle Data

1987 Porsche 928 S4

VIN WP0JB0927H
Engine5.0 L / 8 cyl / GAS
Trans4-speed Automatic
DeliveryFI / LH Jetronic
SymptomsPoor Idle Quality, Cuts Out, Misfire
OccursAlways
Message Closed w/FIX

car Vehicle Data

1987 Porsche 928 S4

VIN WP0JB0927H
Engine5.0 L / 8 cyl / GAS
Trans4-speed Automatic
DeliveryFI / LH Jetronic
SymptomsPoor Idle Quality, Cuts Out, Misfire
OccursAlways