What would cause it to not rev over 4000

Tiny
ANONYMOUS
  • MEMBER
  • 1999 MERCURY COUGAR
  • 144,000 MILES
What would cause it to not rev over 4000. Rpms its a 5 speed v6
Saturday, December 22nd, 2012 AT 9:36 AM

1 Reply

Tiny
ASEMASTER6371
  • EXPERT
Could be clogged cat converters.

Roy
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Saturday, December 22nd, 2012 AT 2:51 PM

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