1995 Toyota 4Runner oxygen sensor

1995 TOYOTA 4RUNNER
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TRUCKYMIKE
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Engine Performance problem
1995 Toyota 4Runner 4 cyl Four Wheel Drive Manual

hi sir, may i ask if the oxygen sensor may affect the sometimes, it's like delay of accelaration? it's like when u step on the accelarator, sometimes it respond rght away, but sometimes it vibrate a little before it accelarate. timing belt, spark plugs, coils and distributor caps are not old, let say 2yrs, i dont travel or use it a lot. also it's also overhauled 2 yrs ago. i mounted a 30"X11.5"x15" wheels, should i also advance the timing? thanks a lot for the help.
Oct 29, 2010 at 4:29 AM
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RASMATAZ
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Check and test the airflow meter and throttle position sensor and the EGR valve to include the fuel pressure
Oct 30, 2010 at 4:22 AM