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1984 Chevy Cavalier Bogs down

Tiny
FRANK BLANK
  • MEMBER
  • 1984 CHEVROLET CAVALIER
Engine Performance problem
1984 Chevy Cavalier 4 cyl Two Wheel Drive Automatic 150 k miles

My 84 Cavalier Convertable 2.0 4cyl engine, starts up
fine, but when I press the gas pedal down it bogs, spark plugs are sooty, could this be the map sensor or throttle body injector problem Please help Thanks
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Monday, September 22nd, 2008 AT 8:40 PM

1 Reply

Tiny
BLACKOP555
  • MECHANIC
  • 10,371 POSTS
Tbi not carburated?

I would be checking the tps also disconnect the map sensor wiring harness. Not the vaccum line. Just the harness.

Check tps voltage closed throttle then 1/4 throttle half and wide.
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Monday, September 22nd, 2008 AT 10:07 PM

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