Car wont start died while driving

Tiny
COREYLD
  • MEMBER
  • 1993 MERCURY COUGAR
  • 2WD
  • AUTOMATIC
Car died while driving and now it will crank but not start. It is a 1993 cougar 3.8l v6
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Thursday, January 20th, 2011 AT 12:10 PM

5 Replies

Tiny
RASMATAZ
  • MEMBER
Cranks but no start condition:do below to determine whether it's fuel or spark problem:

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.
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Thursday, January 20th, 2011 AT 12:22 PM
Tiny
COREYLD
  • MEMBER
I did that and the fule pump is working and there is a spark but it seems weak and is not blue its orngeish yellow. Some one said it may have jumped timing
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Thursday, January 20th, 2011 AT 12:26 PM
Tiny
RASMATAZ
  • MEMBER
Orangish yellow-means a weak ignition -check the fuel pressure with a fuel pressure tester if its within specs and make sure the injectors are pulsing
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Thursday, January 20th, 2011 AT 5:27 PM
Tiny
COREYLD
  • MEMBER
Should I replace the ignition coil?
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Saturday, January 22nd, 2011 AT 9:17 AM
Tiny
RASMATAZ
  • MEMBER
Check the coil's primary and secondary winding resistances by using a multimeter.
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Saturday, January 22nd, 2011 AT 7:00 PM

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