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Re: cold start, bucking and missing, '89 305cu.
Vacuum leaks can be temperature sensitive. When everything's cold, it's slightly smaller. As it heats up it expands and can seal the leak.
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'04 Cavalier coupe M/T 2.2 Ecotec
Supercharged 14 PSI boost, charge air cooler, 42# injectors
Tuned with HP Tuners
Poly engine/trans/control arm bushings
Self built and self programmed progressive methanol injection system
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