Some vehicles may exhibit the check engine light on with diagnostic trouble code PO420
Ford technical service bulletin 6980 for 1996-1999 Ford Explorer and 1996-1999 Mercury Mountaineer.
- Bulletin number
- 6980
- Component
- Unknown or other
- Summary
- Some vehicles may exhibit the check engine light on with diagnostic trouble code po420. Tt
Vehicles covered
- Ford Explorer 1996-1999 1996199719981999
- Mercury Mountaineer 1996-1999 1996199719981999
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