1998 Other Mercury Models Grand Marquis Catalyzer burns

1998 MERCURY
56,000 MILES • V8 • 2WD • AUTOMATIC
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CHANGULITX
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  • 1 POST
I have the code P0301, P0302 and P0303 in my scanner, but the problem was when the Catalyzer burn the floor and the mat of my car. Please, whats happen?
Feb 8, 2010 at 5:56 PM
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HMAC300
  • ✓ASE Certified Mechanic
  • 48,601 POSTS
  • ASE Certified Mechanic
those codes are cylinder misfires which can be an injector,spark plug, plug wire, etc. This could also be a partially pllugged fuel filter. THe converter heating up so much can be the cause of maybe a partially plugged converter or the misfires causing it to heat up so much.....
Mar 26, 2010 at 6:07 PM
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