1997 Ford Thunderbird my car wont start but will turn over.

1997 FORD THUNDERBIRD
10,200 MILES • 6 CYL • 2WD • AUTOMATIC
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DFRANCIS1984
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My car will turn over but will not start. when it used to start, it would run very rough and would not go over 15mph. i have changed the spark plugs, and coil pack.. i have also cut off the cats to see if it would start then, i still can not get it to fire.. could you please help me..
Feb 27, 2010 at 4:26 AM
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RASMATAZ
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Get a helper disconnect a sparkplug wire or 2 and ground it to the engine atleast 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, 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
Feb 27, 2010 at 5:12 AM