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1997 Ford F-150 4.2L Excessive Emissions, Poor Idle Quality, Hesitation, Misfire, Poor Fuel Economy
Posted to Ford Driveability on 3/13/2003 3 Replies

Problem started about three weeks [...] and bad intake [...] was leaking coolint in to number one intake port replaced gasket all spark plug and wires and number one O2 sensor.I ceared the coads and one day later it's back

3 Replies Received (View Replies)

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Message Closed w/FIX

car Vehicle Data

1997 Ford F-150

VIN 29VCA15929
Engine4.2 L / 6 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI / sefi
EmissionsOBD-II Compliant
SymptomsExcessive Emissions, Poor Idle Quality, Hesitation, Misfire, Poor Fuel Economy
OccursAlways, Cold, Hot, on Accel

Trouble Codes

P0153Air Fuel Sensor (Bank 2 Sensor 1) Slow Response
P1151Fuel Rail Pressure - Maximum Positive Deviation
Message Closed w/FIX

car Vehicle Data

1997 Ford F-150

VIN 29VCA15929
Engine4.2 L / 6 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI / sefi
EmissionsOBD-II Compliant
SymptomsExcessive Emissions, Poor Idle Quality, Hesitation, Misfire, Poor Fuel Economy
OccursAlways, Cold, Hot, on Accel

Trouble Codes

P0153Air Fuel Sensor (Bank 2 Sensor 1) Slow Response
P1151Fuel Rail Pressure - Maximum Positive Deviation