TROUBLE CODE P0420 AND P1111

  • Tiny
  • Philrose
  • 2002 JAGUAR X-TYPE

Engine Mechanical problem
2002 Jaguar X-Type 6 cyl All Wheel Drive Automatic 91000 miles

codes p0420 p1111 car runs fine no problem but light is on. About 2 years ago I had to replace hose about 8 to 10 inches at top under hood. But I checked this hose and it looks good. Before this light I smelled fumes for a long time. I'm a disabled vet and can't afford to take it to dealer

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Monday, January 11th, 2010 AT 2:18 PM

1 Reply

  • Tiny
  • Dave H
  • EXPERT
  • 13,536 POSTS

P0420 is catalyst below efficiency bank 1. This could be the catalytic convertor needs replacing

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Sunday, January 17th, 2010 AT 4:54 AM

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