pleace help

1999 MERCURY COUGAR
6 CYL • FWD • AUTOMATIC
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FERCHO
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how many fuel pressure psi should be, on a cougar 2.5 1999? thank you
Jul 30, 2011 at 4:27 PM
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WRENCHTECH
  • ✓Experienced Mechanic
  • 20,760 POSTS
FUEL PRESSURE
Key On, Engine Off (KOEO) 45-60 psi
Key On, Engine Running (KOER) 42-57 psi

FUEL PRESSURE LEAKDOWN
KOEO Pressure within 5 psi of high for 1 minute after turning power off
Jul 30, 2011 at 5:04 PM
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