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1991 Ford F-150 Custom 5.0L MIL Lamp on
Posted to Ford Driveability on 9/9/2003 8 Replies

Hey Techs,

Problem started a few months ago, now getting worse. The Check Engine light would come on only when on the [...] O2 Sensor and EGR Solinoid. Seem to fix for about 2 months. Now coming on more frequently (Code 172). Found only small vacuum leak in E...

8 Replies Received (View Replies)

  Related Documents & Media  1991 Ford F-150 Custom

 
Message Closed w/FIX

car Vehicle Data

1991 Ford F-150 Custom

VIN 1FTEX15N9M
Engine5.0 L / 8 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI
SymptomsMIL Lamp On
OccursIntermittently

Trouble Codes

172
Message Closed w/FIX

car Vehicle Data

1991 Ford F-150 Custom

VIN 1FTEX15N9M
Engine5.0 L / 8 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI
SymptomsMIL Lamp On
OccursIntermittently

Trouble Codes

172