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1998 Ford Explorer Eddie Bauer 4.0L Poor Idle Quality, Hesitation, Surge, Poor Fuel Economy, MIL Lamp on
Posted to Ford Driveability on 6/17/2004 7 Replies

Hi All

We have this Ford Explorer which runs well until the temp gauge reads high (into the red) the idle then climbs up to 1250rpm, the MIL lamp switches on and 2 codes are set. The car has never overheated and we checked the rad and block with an infra red ...

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car Vehicle Data

1998 Ford Explorer Eddie Bauer

VIN 1FMZU34E4W
Engine4.0 L / 6 cyl / GAS
Trans5-speed Automatic (Electronic)
DeliveryFI / SEFI
EmissionsOBD-II Compliant
SymptomsPoor Idle Quality, Hesitation, Surge, Poor Fuel Economy, MIL Lamp On
OccursHot, Intermittently
Misc.Suv

Trouble Codes

171Bank 1 mixture lean
174Bank 2 mixture lean
Message Closed

car Vehicle Data

1998 Ford Explorer Eddie Bauer

VIN 1FMZU34E4W
Engine4.0 L / 6 cyl / GAS
Trans5-speed Automatic (Electronic)
DeliveryFI / SEFI
EmissionsOBD-II Compliant
SymptomsPoor Idle Quality, Hesitation, Surge, Poor Fuel Economy, MIL Lamp On
OccursHot, Intermittently
Misc.Suv

Trouble Codes

171Bank 1 mixture lean
174Bank 2 mixture lean