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make sure you have vaccum to the transducer, i believe there will be 2 hoses coming from the throttle body. make sure that the metal line that connects to the bottom of the transducer is not clogged with carbon. if you have vaccum and that line is clear, take the hose that goes to the egr vsv solenoid off the transducer and rev the engine up. if it is good you will have vaccum through the transducer, if its bad no vaccum will be there.

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โˆ™ 2011-06-08 13:13:04
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Q: How do you test a back pressure transducer?
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