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2001 Chevy Monte Carlo Acceleration

Tiny
MDOUDALIS
  • MEMBER
  • 2001 CHEVROLET MONTE CARLO
  • 6 CYL
  • FWD
  • AUTOMATIC
  • 164,000 MILES
I just got an new muffler. That day when I step on the gas it slowly accelerates. When it hits 30mph it will not accelerate no matter how much I push on the accelerator. If I let off the gas, then press on it again it slowly accelerates again. When the car does accelerate, it is very slow. Today it took me a mile to get from 0 to 55mph. I am not too car savy and have a lot of ideas running around in my head. I am looking to be pointed in the right direction.

Thanks.
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Monday, June 21st, 2010 AT 8:30 PM

1 Reply

Tiny
RASMATAZ
  • MECHANIC
  • 75,992 POSTS
Possibilities: Inspect and test all the following listed below:

Oxygen sensor.
Catalytic converter.
Fuel injectors dirty/sticking.
Mass airflow sensor/Airflow meter.
Throttle position sensor.
Crankshaft position sensor
Manifold absolute pressure sensor.
EGR Valve
Fuel pressure regulator leaking or defective fuel pump.
False air leakage.
Fuel contamination.
Foul/defective spark plugs.
Open spark plug wires.
Ignition coil/Coil packs defective.
Incorrect ignition timing.
Cap and rotor.

Note:If it doesn't apply disregard
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Saturday, June 26th, 2010 AT 11:52 PM

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