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1988 Ford Thunderbird 23.0L Excessive Emissions, Poor Fuel Economy
Posted to Ford Driveability on 7/28/1998

car runs rich seems better with more throttle all sensors that i can check with volt ohm meter appear OK if i create vaccuum leak it gives no codes and seems to lean out and run better O2 sensor voltage reads good any suggestions??????

 
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car Vehicle Data

1988 Ford Thunderbird

VIN 1FABP64TXJ
Engine23.0 L / 4 cyl
SymptomsExcessive Emissions, Poor Fuel Economy
OccursIdle

Trouble Codes

42hego
Message Closed

car Vehicle Data

1988 Ford Thunderbird

VIN 1FABP64TXJ
Engine23.0 L / 4 cyl
SymptomsExcessive Emissions, Poor Fuel Economy
OccursIdle

Trouble Codes

42hego