Re: poor acceleration

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Posted by Walt ( on 06:57:29 01/24/11

In Reply to: poor acceleration posted by Peter

I would change the fuel filter. Then work from there. A clogged fuel filter could cause a low value on the O2 sensor too.


: 2000 Sub K1500 5.3L, 90,000 miles
: I posted last week about a check engine light that translated into a bad O2 sensor. The sensor was replaced and the light went out. Now, I am getting complaints from the family drivers that the Sub has no pickup. You have to really mash the pedal to get any acceleration. It will go 65-70mph but it takes longer to get there.
: I am thinking it is a bad catalytic converter maybe related to the O2 sensor going bad.
: Any suggestions? I'll talk to my tech next week as well.
: - Peter

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