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having major engine issue please help

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Old 04-24-2016, 08:55 PM
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Default having major engine issue please help

2004 x type 3.0 v6 I don't understad what is going on
it misses horribly under throttle
If you hold the throttle just right it smooths out and has power

I thought clogged cats I looseNed them up and seperated from the manifold and it did not change anything.

I bypassed my fuel pump power module and gave full power to the fuel pump didn't change anything.

What can I be looking at as an issue I'm not pulling any codes besides wheel sensor
 
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Old 04-25-2016, 09:06 AM
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Welcome to the forum.

A little more information would be helpful. How many miles? Has any other work been done? I don't know many that would detach the exhaust manifolds as a first step. Have you checked the spark plug wells for oil, the spark plugs themselves? Missing that bad it is unusual for no codes to be generated. How long has this been going on?
 
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Old 04-25-2016, 09:53 AM
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If there are one or more misfires, the catalysts can be severely damaged. You must locate and correct the source of the misfires, which can be coils that have stopped working or fouled spark plugs.

If the spark plug boss seals are leaking, you probably have shorted coils.
 
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