Question about 1995 Chevrolet K1500

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Bogging when revving the engine

I have a 95 3/4 ton silverado v8 auto
it will start up cold and idle fine. as it gets towards operating temperature it starts running rough when you rev it it bogs. when it gets to operating temp check engine light comes on.
turn it off and let cool for a few seconds recrank it the light is off And it runs fine for a couple minutes. scanner brought up code 45 which im told is gas cap on wrong but its not that.
i almost think the cat converter is clogged is this plausible thinking
Thanks

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Hey try your egr valve faulty one causes a vac leak , same code as gas cap

Posted on Dec 22, 2008

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