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1987 Buick Regal 3.8L Poor Idle Quality, Misfire
Posted to GM Driveability on 12/21/1999

vehicle has low fuel pressure. have replaced fuel pump,fuelpressure regulator and checked all fuel lines,fuel pressureis below 20 psi. when crimping return line pressure will jump up to 45 psi and vehicle will run great. fuel pressure specs are 38 to [...] sug...

  Related Documents & Media  1987 Buick Regal

 
Message Closed w/FIX

car Vehicle Data

1987 Buick Regal

VIN 1G4GJ1178H
Engine3.8 L / 6 cyl
Emissionscalifornia
SymptomsPoor Idle Quality, Misfire
OccursOn Accel, Idle
Misc.Turbograndnational
Message Closed w/FIX

car Vehicle Data

1987 Buick Regal

VIN 1G4GJ1178H
Engine3.8 L / 6 cyl
Emissionscalifornia
SymptomsPoor Idle Quality, Misfire
OccursOn Accel, Idle
Misc.Turbograndnational