Mechanics

CHECK ENGINE LIGHT ON

1998 Ford F-150

Electrical problem
1998 Ford F-150 V8 Two Wheel Drive Automatic 142000 miles

ck light on showed 0s sensor bank 1 replaced it, light was off for a week, came back on cked again same code truck un fine noproblems
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Mhead144
November 5, 2010.



Look for wiring harness damage and or connector problems. Do not rule out a defective sensor. Check for exhaust leaks in front of the sensor.