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Fuel spewing out of tailpipe.

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Old 08-23-2015, 10:12 PM
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Fuel spewing out of tailpipe.

Ridiculous question-
Would leaving air filter unhooked/disconnected cause enough richness to push fuel out of exhaust?
Like a lot of fuel?
Did a head cover gasket change and now can't get my 4runner to stop vomiting out fuel.
90 3.0
Old 08-24-2015, 12:13 AM
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Red face

No !!

Are you sure it is fuel and not water ??

If your air intake is disconnected the fuel pump should not even turn on

Unless you have the check connector jumped.
Old 08-24-2015, 06:22 AM
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Originally Posted by wyoming9
No !!

Are you sure it is fuel and not water ??

If your air intake is disconnected the fuel pump should not even turn on

Unless you have the check connector jumped.
Crap! I'm stuck then. It's fuel alrite. I read on here it could've been a stuck injector, bad cold start injector or fuel pressure regulator letting fuel run into my exhaust.
Changed all those but still have mass amounts slowing out.

So much it's scary.
Old 08-24-2015, 06:24 AM
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Originally Posted by ocfatman
Ridiculous question-
Would leaving air filter unhooked/disconnected cause enough richness to push fuel out of exhaust?
Like a lot of fuel?
Did a head cover gasket change and now can't get my 4runner to stop vomiting out fuel.
90 3.0

Can anyone direct me to a fuel/air line diagram?
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