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Re: STFT and O2 Sensor Locks Cold
Posted to Technical Theory Forum on 9/8/2013 5 Replies

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Of course, but shirley there are variations between each maker's implementation of the rules. Take a Ford 5.4 F150 with a shorted/dead coil and a 1500 GM 5.3 with a bad valve spring. Or even an apple... Login to read more.

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