Q: Hard to start
I have a 98 zr2 blazer I have replaced the map sensor,throttle positioning sensor,and the mass air sensor.. my problem is it doesn't want to start after you try for a while it will and some times it runs fine and other times it bogs down and pops and back fires I'm thinking it's the injectors do to it having plenty of pressure at the fuel rail .. and suggestions would be greatly appreciated .. thanks Will
My car has 230000 miles.
My car has an automatic transmission.
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