IT HAS A MISFIRE ON ALL CYLINDERS

  • Tiny
  • Kevin Godwin
  • 1999 Lincoln Town Car
  • 120,000 miles

Multiple cylinder misfire, no codes, cylinder contribution test shows skip on different cylinders every time I drive, only skips under light throttle going up hill, has coil on plug 4.6, coil or plugs help it

Thursday, May 31st, 2012 AT 11:30 PM

4 Answers

  • Tiny
  • ASEMaster6371
  • Expert
  • 25,555 posts

Check the basics. I would look at the plugs and coils. How many miles are on these items?

The injectors may also be an issue. They need to be professionally cleaned every 50k

Roy

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Thursday, May 31st, 2012 AT 11:33 PM
  • Tiny
  • Kevin Godwin
  • Member

Injectors are clean and pass flow test, coils and plugs are new

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Friday, June 1st, 2012 AT 12:28 AM
  • Tiny
  • ASEMaster6371
  • Expert
  • 25,555 posts

Ok, start with a compression test

Roy

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Friday, June 1st, 2012 AT 12:31 AM
  • Tiny
  • Kevin Godwin
  • Member

Compression is good and timing chains are not stretched

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Friday, June 1st, 2012 AT 12:36 AM

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