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1994 Chevrolet S-10 Blazer
Problem for Chevrolet 1994 S-10 Blazer

I have a 1994 2wd blazer 4.3 vortec .it has poor




By fly_flybirdi on Jun 22, 2009

" "
I have a 1994 2wd blazer 4.3 vortec .it has poor idle,poor acceloration,have rebuilt fuel injetion and tested fuel pressure 65psi ,set timing. could ECM be reading wrong?or possible bad tps?
Comments:

Jun 29, 2009

- corrected idle. but no power improvement.
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Best Solution

posted on Jun 22, 2009
Helpful)

nuttbysteve
nuttbysteve

Rank: Wiz 
Rating: 83%, 30 votes
i would install a new tps throttle postion sensor and then dive it 2 miles at 50 miles an hour to calibrate itself
Comments:

Jun 29, 2009

- i would check the exhaust temperature all a long the exhaust pipe with a non contact thermeter could be a plugged converter or even muffler
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