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1995 Buick Regal lack of acceleration

Tiny
SPEXBLU
  • MEMBER
  • 1995 BUICK REGAL
  • 6 CYL
  • 2WD
  • AUTOMATIC
  • 44,000 MILES
We need to find an inexpensive way to find the answer to our car problem. Sorry if our donation is small at this time - we are monetarily challenged at the moment. Stage IV cancer for wife and loss of job the same week for me. Here is our problem:

Recently replaced spark pugs and ignition wires. Car starts quickly. But then hesitates during acceleration. Gentle acceleration seems to work most times. When you step on the gas. It just won't go! What should we consider next?

Thank you,
Nelson and Debbie
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Sunday, June 27th, 2010 AT 6:48 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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Sunday, June 27th, 2010 AT 7:16 PM

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