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International Automotive Technicians Network
1997 Ford Ranger XLT 4.0L MIL Lamp on
Posted to Ford Driveability on 5/29/2003 7 Replies

Hello Ford techs,

This one is giving us fits. It came in with a bad mass air flow sensor. We cleaned it to no avail, so we replaced it. Now we get rich indication at idle. Cruise speed looks good. Fuel trims are normal, but at idle speed, trims immediately go...

7 Replies Received (View Replies)

  Related Documents & Media  1997 Ford Ranger XLT

 
Message Closed w/FIX

car Vehicle Data

1997 Ford Ranger XLT

VIN 1FTCR11X6V
Engine4.0 L / 6 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI
EmissionsOBD-II Compliant
SymptomsMIL Lamp On

Trouble Codes

172fuel system at rich limit
175fuel system rich
Message Closed w/FIX

car Vehicle Data

1997 Ford Ranger XLT

VIN 1FTCR11X6V
Engine4.0 L / 6 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI
EmissionsOBD-II Compliant
SymptomsMIL Lamp On

Trouble Codes

172fuel system at rich limit
175fuel system rich