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john330 · 03-05-2011, 06:31 PM

No you don't have to change the coil packs everytime you do a tuneup.
I only replace them when they go bad. I am not sure what their normal resistance is, but you can check them with a regular multimeter.

Did you clear the O2 code with a obd reader?

03-05-2011, 06:31 PM	#7
john330 Registered User Join Date: Feb 2011 Location: socal Posts: 5	No you don't have to change the coil packs everytime you do a tuneup. I only replace them when they go bad. I am not sure what their normal resistance is, but you can check them with a regular multimeter. Did you clear the O2 code with a obd reader?