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1985 Ford Thunderbird 3.8L Poor Idle Quality, Stall, Misfire, LOW POWER
Posted to Ford Driveability on 3/23/2002 9 Replies

The short version is: engine has 3 dead cyl. (R bank) Also fouls these plugs quickly. But, if you unplug alternator it runs good. I unplugged the alt. & used battery charger to simulate charge, it again runs poorly. When voltage is above 12.9 runs bad. Testing...

9 Replies Received (View Replies)

  Related Documents & Media  1985 Ford Thunderbird

 
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car Vehicle Data

1985 Ford Thunderbird

VIN 1FABP4633F
Engine3.8 L / 6 cyl / GAS
Trans3-speed Automatic
DeliveryFI / TBI
EmissionsFED
SymptomsPoor Idle Quality, Stall, Misfire, Low Power
OccursAlways
Message Closed w/FIX

car Vehicle Data

1985 Ford Thunderbird

VIN 1FABP4633F
Engine3.8 L / 6 cyl / GAS
Trans3-speed Automatic
DeliveryFI / TBI
EmissionsFED
SymptomsPoor Idle Quality, Stall, Misfire, Low Power
OccursAlways