Check Engine light on AGAIN!!!!!!!

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01-08-2005, 01:20 PM

#11

onequick5.3

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Could I have gotten a bad spark plug? I just installed new ones along with wires the same time I did the headers. NGK 55 gapped at .060, and magnacore wires.

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01-08-2005, 04:12 PM

#12

gonzo 6.2

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My guess is you cracked it during the install(which you may not see). To test this install 1 old plug and wire on #2

on another note I believe OE plugs and wires are the best,anthing else is a waste of money and potential issues