engine bogs down at highway speed

Asked by Jun 28, 2015 at 10:32 AM about the 1996 Chevrolet Corsica 4 Dr STD Sedan

Question type: Maintenance & Repair

i have a 96 corsica 3100 v6 change the plugs, wires, one fuel injector check engine light
does come n when she bogs down cant figure whats wrong should i change the fuel
pressure regulater or the o2 sensor or the map sensor or should replace the motor she  
only has 78,000 miles

3 Answers

10,785

You may have a problem with the catalytic converter creating too much back pressure and it may need to be replaced. This would create the bogging that you are describing. Do you notice any odor or excessive heat when it happens? I recommend getting the code read and go from there.

1 out of 1 people think this is helpful.

yes the car start to overheat the cat almost 20 years old

yes it the CC I had the exact issue ... runs fine at low speed but try to accele. forget at idle you can feel the restriction from the muffler

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