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1990 Toyota Corolla Engine runs rough, low power

Tiny
JOHNDC12
  • MEMBER
  • 1990 TOYOTA COROLLA
Engine Performance problem
1990 Toyota Corolla 4 cyl Front Wheel Drive Automatic 255K miles

Engine idles rough, engine runs better at higher RPM in park, but runs rough even at high RPM when driving.
Friday, August 20th, 2010 AT 12:49 PM

2 Replies

Tiny
RASMATAZ
  • MECHANIC
  • 75,992 POSTS
Check and test the airflow meter, throttle position sensor and EGR valve to include the fuel pressure
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Friday, August 20th, 2010 AT 4:11 PM
Tiny
MMPRINCE4000
  • MECHANIC
  • 8,549 POSTS
If you have a check engine light, short Te1 and E1 in diagnostic connector under hood. Light will flash code.
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Saturday, August 21st, 2010 AT 8:39 AM

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