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97 Ford throwing PO302 & Check engine light flashes
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Sidom
Veteran
/ Moderator
Aug 17, 2011, 11:29 PM
Post #2 of 5
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Re: 97 Ford throwing PO302 & Check engine light flashes
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Try moving the #2 coil to a different cylinder & see if the miss moves. If it does then you have a bad coil or coil boot. If the miss stays then you need to determine the cause. Electrical, fuel, mechanical????? Those rails aren't too bad to pop up, if it's not a coil/boot, you could try swapping injectors to see it that moves the miss.....
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menmy3
New User
Aug 18, 2011, 12:09 AM
Post #3 of 5
(4086 views)
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Re: 97 Ford throwing PO302 & Check engine light flashes
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Okay thanks! I will try doing that in the morning. Thanks again
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Discretesignals
Ultimate Carjunky
/ Moderator
Aug 18, 2011, 10:09 AM
Post #4 of 5
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Re: 97 Ford throwing PO302 & Check engine light flashes
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I don't think that year they where messing around with COP ignition systems. You check for spark on at the plug wire for #2 using a spark tester? Since we volunteer our time and knowledge, we ask for you to please follow up when a problem is resolved.
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zmame
Veteran
/ Moderator
Aug 18, 2011, 7:06 PM
Post #5 of 5
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Re: 97 Ford throwing PO302 & Check engine light flashes
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you can swap a wire this can be hard to do since the wires run one side to the other.. You can visually inspect both coil packs for cracks, carbon tracks and chorrision. use noid light to test the injector curcuit on #3. use OHM meter across the injector should be 11~18 ohms. I think you can also swap the 2 coil packs side to side to see if the miss moves. If all that fails do a compression test on that cylinder.
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