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2002 tacoma check engine light

Discussion in '1st Gen. Tacomas (1995-2004)' started by 2002taco69, Dec 11, 2016.

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Dec 11, 2016 at 3:57 PM

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2002taco69 [OP] New Member

Joined:

Mar 11, 2016

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#180930

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Hello everyone new guy here.
I'm getting codes p1135 & p0171.
I've replaced both 02 sensors and the light is still on.retrieved a new code p0420.my cat smells real bad it runs like crap, milage dropped from 20 mpg to like 13 mpg.ive lost power as well.i ran laquer thinner hoping to clean cats out.it runs a lil better and now I'm getting the sames codes I started with...pleez help

2002taco69, Dec 11, 2016

#1

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