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1993 Subaru Legacy hesitation with hard accelaration

Tiny
SUBARULEGACY
  • MEMBER
  • 1993 SUBARU LEGACY
  • 4 CYL
  • AWD
  • MANUAL
  • 180,000 MILES
This car recently developed a misfire like symptum while applying a hard accelaration in lower rpms.
It has a new set of plugs and fuel filter. What do I do to fix it? Thank you for your help.
Matt
Thursday, April 29th, 2010 AT 9:41 PM

1 Reply

Tiny
RASMATAZ
  • MECHANIC
  • 75,992 POSTS
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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Friday, April 30th, 2010 AT 1:44 AM

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