poor performance

82,000 MILES • 4 CYL • 2WD • MANUAL
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VALZINK
  • MEMBER
  • 4 POSTS
1986 mazda b2000 hesitates and misses at take off
Dec 9, 2010 at 6:02 PM
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RASMATAZ
  • ✓Experienced Mechanic
  • 75,988 POSTS
Could be one of the following:

Oxygen sensors.
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.
Carb's Accelerator pump/main metering/power valve

Note:If it doesn't apply/don't have it disregard and keep testing
Dec 10, 2010 at 12:49 AM
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