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#1
11-28-2005, 10:04 AM
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Mom's 91 Astro
Alright I will be frank i hate chevy's i don't mean to be rude i never did like them i prefer ford's or dodges but that really doesn't help m y current problem.
My mother came into ownership of this van about 5 or 6 years ago the van has like 190k on it and now it starts popping mostly on low fuel acceleration and mostly when it's warm but not all the time i belive but am unsure (because i never drive the stupid thing) that i put the whole plugs and wires cap and rotor in it about 50-60k miles ago since the problem started we changed the fuel filter and put a couple botels of injector cleaner and dry gas into the tank and since then we have ran the mid grade fuel. ne help would be appreciated Thanks TJ 
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#2
12-05-2005, 10:55 PM
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Re: Mom's 91 Astro
Is the mid grade fuel helping any?
if it is, then my first thought is the knock sensor which retards the timing advance when the engine starts pinging.
__________________
'89 Astro 4.3L Z CFM-Tech power plate 2.5" exhaust, Low restriction cat and muffler Jet stage I chip B&M trans cooler '96 Jeep Cherokee '99 Chevy Cavalier
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