Thread: 2002 XLT exp 4.0 sohc 4x4 idle issue to not starting
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Old 07-02-2012, 10:40 PM
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Re: 2002 XLT exp 4.0 sohc 4x4 idle issue to not starting
The intake air tube is the tube that connects the air filter/Mass Air Flow (MAF) sensor to the throttle body (aka "butterfly valve). There should be a few ports on the tube where you can inject some cleaner, or you could even inject it through one of the vacuum ports on the intake.

As for the CKP sensor setting a code if it is bad, nope, I'm not sure I've heard of one yet that failed AND caused a diagnostic code/check engine light.

-Rod
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