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Discussion Starter #1
new troble code
po238 turbo boost sensor A ciruit high, too much boost

also the water in fuel light keeps coming on and off, has been for about a year.

oh yea this is on my work truck a 96 f code 3500 dulley 5 speed.

what do you guys think it is?
 

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Discussion Starter #3
which one is that? would that send an over boost signal?
 

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Discussion Starter #4
hello?
 

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Top front intake plenum, black rectangular module, three-wire connector.

Take the fuel filter cannister off, clean it out and up - careful with the electrical connector\wiring.

Both connectors\wiring are part of engine harness, connects to PCM harness back in behind the fuel filter cannister.
 

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Discussion Starter #6
by cannister you mean the intake?
 

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The part the fuel filter resides in
 

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When the water in fuel light comes on are you draining the water?
 
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