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1990 Toyota Corolla misses when warm

Tiny
JUSTINSIVICH
  • MEMBER
  • 1990 TOYOTA COROLLA
Engine Performance problem
1990 Toyota Corolla 4 cyl Two Wheel Drive Automatic 230k miles

my car starts to miss and slow on acceleration when it warms up it is a 1990 corolla we replaced spark plugs distributor 02 sensor throttle position sensor fuel filter and still no fix
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Friday, July 23rd, 2010 AT 1:43 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
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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Friday, July 23rd, 2010 AT 11:41 PM

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