1999 MERCURY COUGAR
160,000 MILES
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KEN WENGER
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  • 1 POST
My 99 cougar was built 7/99 does it have a fuel pressure regulator or sensor 2.5l engine
Feb 19, 2013 at 12:57 AM
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RASMATAZ
  • CAR REPAIR CONTRIBUTOR
  • 75,992 POSTS
2.5L : To have a fuel pressure while key on engine off of 45-60psi it should have one -check on the fuel rail
Feb 19, 2013 at 1:20 AM
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WRENCHTECH
  • CAR REPAIR CONTRIBUTOR
  • 20,761 POSTS
Cars built after May 24, 1999 should have a rail pressure sensor and no regulator. They would use a Fuel Pump Driver Module that controls pressure with variable voltage.
May 27, 2017 at 5:57 AM