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Engine shakes on acceleration

Tiny
JALYNN SMITH
  • MEMBER
  • 2002 BUICK REGAL
  • 6 CYL
  • 2WD
  • AUTOMATIC
  • 89,000 MILES
Engine stall while driving 65 MPH. Found fuel pump fuse out and possibly no gas. Filled tank and replace 15 A fuse. Car starts and sound good. When accelerating, the engine cut out like a switch turning off and on. Off on acceleration (about 25-30 MPH and back on as acceleration is decreased.

2002 Buick Regal SC
Fuel pressure is about 55 psi and moves to 60 psi while attempting to accelerate.

No Check engine light or codes.
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Tuesday, March 22nd, 2011 AT 4:00 AM

1 Reply

Tiny
RASMATAZ
  • MECHANIC
  • 75,992 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.
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Tuesday, March 22nd, 2011 AT 5:26 AM

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