with a vortec engine that is overfueling on the left bank of the engine, what are the possible problems and solutions? Can this be fixed under the shady tree in the back yard?
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18 years ago
vortec fuel injector
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18 years ago
what year/car/engine
are you referring to a leaking cpi? If so, it is replaceable your self. did mine last month
94 vortec s10 blazer 4x4- Vote on answer
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18 years ago
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18 years ago
I think the 99 is probably different but for mine it was not too bad. just taking my time and alot of breaks. I replaced the nut/fuel line and that was the hardest part with the torx screw on the backside of the engine. took about four hours or so but there were many breaks. It was pretty straightforward just label and take pics of everything in case of problems later
mike
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18 years ago
Yes, the 99 is a different animal. I replaced the CPI on my 94 when I had it. Took most of a day, the torx bolt on the back of the intake was the hardest like you found.
The 99 has individual injectors. They MAY be accessible by removing the throttlebody, not 100% sure.
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18 years ago
To get to the injectors on this 99 you gotta remove the throttle body plus the 'upper plenium', and it looks to be a bear of a job.