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1994 Nissan Sentra

Tiny
ANN-YVETTE
  • MEMBER
  • 1994 NISSAN SENTRA
  • 4 CYL
  • 4WD
  • AUTOMATIC
  • 192,142 MILES
My car is shaking when idling. It is also not accelerating as well as it did before and it jerks hard when shifting. These problems started suddenly. I have replaced the spark plugs and wires and it has not helped.
Thursday, May 13th, 2010 AT 2:45 PM

1 Reply

Tiny
RASMATAZ
  • MECHANIC
  • 75,992 POSTS
Lack of acceleration, chugging, hesitating, bogging etc. Could be caused by one of the following below.

Inspect and test all the following listed below and get back with some results

Oxygen sensor.
Catalytic converter.
Fuel injectors dirty/sticking.
Mass airflow sensor/Airflow meter.
Throttle 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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Sunday, May 23rd, 2010 AT 8:12 PM

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