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Re: Stumbling on Cold Starts
Have you replaced the intake manifold gaskets? Stock ones start to crumble after this amount of time and create a big vacuum leak until the engine runs for a minute or two. Runs like it has a misfire and will throw codes for mass air flow sensor performance.
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1972 C10 cheyenne super -350/th350 Wifes truck
1971 Nova- 6.0l with some goodies and a t56, 98-02 camaro brakes all around, tubular control arms, etc
2000 zr2 blazer- rock crawler offroad toy, one ton axles and lockers front and rear.
2006 2500hd- 500hp duramax/built allison trans,traction bars, and some other goodies.
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