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1987 Oldsmobile 98 Regency 3.8L Poor Idle Quality, Cuts out, Misfire
Posted to GM Driveability on 2/23/1998

HI Techs,need help on wave forms for cam and crank sensors on this [...] wave forms to ign. module,pcm and back again are a shark fin type.I could swear these same patterns were square waves during earlier testing,am I crazy or confused?This engine has a miss ...

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car Vehicle Data

1987 Oldsmobile 98 Regency

VIN 1G3CX5130H
Engine3.8 L / 6 cyl / GAS
Trans4-speed Automatic
DeliveryFI / SEFI
EmissionsOBD 1
SymptomsPoor Idle Quality, Cuts Out, Misfire
OccursUnder Load
Message Closed w/FIX

car Vehicle Data

1987 Oldsmobile 98 Regency

VIN 1G3CX5130H
Engine3.8 L / 6 cyl / GAS
Trans4-speed Automatic
DeliveryFI / SEFI
EmissionsOBD 1
SymptomsPoor Idle Quality, Cuts Out, Misfire
OccursUnder Load