Re: Clogged cat
Hi,
To find out if you have a clogged cat connect a vacuum gauge
Some tool companies sell an exhaust back pressure test gauge that screws in to the 02 sensor bung.
Nearly every vehicle I have seen with a clogged cat had codes in the computer normally from the reason the cat got plugged up to begin with.
Does the check engine light come on with the key on engine off?
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2002 Ford Ranger 2 Dr Standard cab 2.3 5 SPD 7.5 373 gears
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