1991 D150 Oxygen sensor not switching 318 TBI engine
srip64
08-22-2004, 11:30 PM
I have a 1991 D150 318 engine and have a code 51 O2 sensor not switching sometimes. Checked everything I can think of but no luck, Please help.
BleedDodge
08-22-2004, 11:43 PM
Just replace the sensor and be done with it.
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