Cougar

Tiny
DENISE1961
  • MEMBER
  • 1997 MERCURY COUGAR
  • 6 CYL
  • 2WD
  • AUTOMATIC
  • 170,000 MILES
My 97 cougar just stopped running while I was driving it

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Saturday, February 19th, 2011 AT 10:03 PM

1 Reply

Tiny
RASMATAZ
  • MEMBER
Pick your symptoms below check it and get back with some testing results

**Cranks but no start condition:

Get a helper disconnect a sparkplug wire or 2 and ground it to the engine at least 3/16 away from ground -have helper crank engine over-do you have a snapping blue spark? If so-you have a fuel related problem, Do you hear the fuel pump come On when you turn key on? If not check fuel pump fuse and fuel pump relay if so, check the fuel pressure to rule out the fuel filter/fuel pump/pressure regulator and listen to the injector/s are they pulsing or hook up a noid light. No snapping blue spark continue to troubleshoot the ignition system-power input to the coil/coil packs, coil's resistances, distributor pick-up coil, ignition control module, cam and crank sensors and computer Note: If it doesn't apply disregard it.

If both fuel and spark is present-check the valve and ignition timing, this will lead you to problems
with compression and valves opening and closing at the wrong time/broken or jumped timing
belt/chain.

OR**

**No crank at all/nothing/nada when key is engage to starting position

Could be a blown fusible link, the starter, starter relay, park and neutral switch/transmission position switch and ignition switch assuming the battery condition and connections are good. Note:If it doesn't apply disregard.
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Monday, March 14th, 2011 AT 6:45 AM

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