why is my car not accelerating in mid stride?

200,000 MILES
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SHELSHOK
  • MEMBER
  • 1 POST
when I take off from a complete stop, the car will go fine then all of a sudden it just stop feeding fuel, so the RPM's just die off , I let off the gas , and then accelerate again it goes, but now it will not even let me accelerate at all, the RPM's do not go past 1. changed fuel pump, it still is cutting out, and the engine light is coming on. So, I can not pull out infront of any traffic, because it won't let it feed any gas to the line or something...no smoke, or funny smells,just not accelerating on a steady pace.
Oct 26, 2011 at 6:34 AM
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RASMATAZ
  • ✓Experienced Mechanic
  • 75,988 POSTS
Could be caused by one of the following below

Oxygen sensor.

Catalytic converter.

Fuel injectors dirty/sticking.

Mass airflow sensor/Airflow meter.

Throttle position sensor.

Crankshaft position sensor

Knock sensor

Manifold absolute pressure sensor.

EGR Valve

Fuel pressure regulator leaking or defective fuel pump.

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 it and keep testing.
Oct 26, 2011 at 2:08 PM
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