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Engine hesitation

Tiny
MANNINGB.57
  • MEMBER
  • 1993 CHRYSLER LE BARON
  • 6 CYL
  • FWD
  • AUTOMATIC
  • 167,000 MILES
I have a 93 chrysler lebaron v6 4 door 3.2 liter. While accelerating and driving at constant speed below 2500 rpm. The engine seems to hesitate as if the fuel pressure dropped. The hesitation is not that severe, however I want to find out what is going wrong before it does become severe. One other thing that I have noticed lately is that the car has been getting harder to start. The fuel pump was just replaced about 2 1/2 years ago. Could that be the problem again. Thank you
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Sunday, December 26th, 2010 AT 6:00 PM

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.
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 it
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Sunday, December 26th, 2010 AT 7:52 PM

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