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ENGINE MISFIRES AT HIGH RPM WITH VEHICLE STATIONERY OR AT SPEEDS IN EXCESS OF 100KM/H

Tiny
ALFISNLEYA
  • MEMBER
  • 1994 TOYOTA COROLLA
  • 123,700 MILES
Toyota sprinter AE100 MISFIRES AT HIGH RPM WHEN STATIONERY OR IN SPEEDS ABOVE 100KM/H. CHANGED THE SPARK PLUGS, PETROL PUMP AND FILTER, AIR FILTER, BATTERY, OIL FILTER AND OIL AND SERVICED THE FUEL INJECTORS USING FUEL INJECTOR CLEANER. WHEN IT MISFIRES THE CHECK ENGINE ALARM LIGHTS UP. NO PROBLEM STARTING IN THE MORNING OR RUNNING AT LOW SPEEDS
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Thursday, October 11th, 2012 AT 12:07 PM

3 Replies

Tiny
KHLOW2008
  • MECHANIC
  • 41,814 POSTS
Did you check for trouble codes?
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Thursday, October 11th, 2012 AT 12:26 PM
Tiny
ALFISNLEYA
  • MEMBER
  • 2 POSTS
Think I ave found what the problem is the air mixture sensor the one on the fuel injection system. If I disconnect it the vehicle runs without a problem can even reach 140km/h but reconnect it back the problem resurfaces again. Problem now is the vehicle now chews gas like no mans business guess it will improve when I get the thing replaced.
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Thursday, October 25th, 2012 AT 1:57 PM
Tiny
KHLOW2008
  • MECHANIC
  • 41,814 POSTS
What air mixture sensor are you refering to? Did you check for trouble codes?
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Thursday, October 25th, 2012 AT 2:29 PM

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