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Misfiring 3zz engine.

  • cyrus.nk
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8 years 11 months ago #2131 by cyrus.nk
Misfiring 3zz engine. was created by cyrus.nk
LTFT -04;STFT 19:OXYGEN SENSOR 0.05 TO 0.045 mv.oxygen stays lean on idle but i press the gas its frustrate from lean to rich.good spark plugs and coils.wat can course LTFT stay at 0 while STFT 19?after press the gas pendle goes viceverse.

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8 years 11 months ago #2132 by Andy.MacFadyen
Replied by Andy.MacFadyen on topic Misfiring 3zz engine.
Checked for a vacuum leak ?
" We're trying to plug a hole in the universe, what are you doing ?. "
(Walter Bishop Fringe TV show)

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  • Tyler
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8 years 11 months ago #2134 by Tyler
Replied by Tyler on topic Misfiring 3zz engine.
The short terms adjusting with the long terms fixed may be a Toyota thing. I've known them to be very stubborn when it comes to learning new long term trims.

Like Andy said, vacuum leak is very possible. The intake gaskets like to flatten over time.

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