I have owned this car about 5 years and it has always had a delay in starting. For a while it usually took about 3-5 sec. but the problem has progressively worsened over time and more recently has taken as long as 15-20 min.(not sec.) for the cooling fan and fuel pump to shut off before starting. It is more of an intermittent thing as far as the delay time goes as sometimes it may take a few sec. to a few min. and other times may take a few min. to several min. and has actually drained the battery a few times while waiting to start.
I would think it's a problem with (CCRM) constant control relay module . This module has relay's inside that control the fuel pump , cooling fans , A/C compressor clutch , PCM - engine computer power relay . And thier are electronics involved , solid state circuity . Google CCRM
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SOURCE: 94 mercury cougar wont run after 10 min
the fuel filter is either blocked or installed in the wrong direction.the rotor and distributor cap are fine. swop the fuel filter around and try again.
SOURCE: 1998 mercury mystique odd starting problem
I i were you i would check the ignition. it sounds like you are only connecting some of the time. And yes it is very normal to hear the fuel pump kick on when you turn the key to the on position.
SOURCE: 2000 mercury cougar wont start
what is anti-theft light doing? It should come on solid for about 2 sec after you turn the key on then turn off. If it is flashing after this then it is not seeing the computer chip in the key and you have a PATS problem.
SOURCE: 1999 mercury cougar. won't start...cranks...battery ok.
V6 ? 4CYL? Have you verified SPARK? Did anyone check the "fuel pump inertia switch?" Its in the right front kick panel. If it was a "Anti-theft Issue" the light would be on or flashing.
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