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#1
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Pontiac trans sport 92. 3,8 code44
I change 4 oxygen sensor and still dont work. CO to high.
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#2
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Re: Pontiac trans sport 92. 3,8 code44
Is it possible that I dont have exhaust manifold gasket and oxygen sucked in. oxygen sensor dont show voltage ???
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#3
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Re: Pontiac trans sport 92. 3,8 code44
maybe your air fuel ratio is to lean ??
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#4
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Re: Pontiac trans sport 92. 3,8 code44
Now I know that PCM was broken. I change it and CO was ok. Only my gearbox dont work. When oil is warm then 4th gear dont work.
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