Question about 1997 Buick Century

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WHERE IS THE EGR VALUE?

I've changed plugs .

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The egr valve is located in the air intake manifold and it has a wire harness connected to it.

Posted on Dec 10, 2014

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2003 ford expedition check engine light is on. It is reading a p405 code which is the egr sensor. I have change the sensor and the pig or electrical code twice . I brought the sensor from ford.


This DTC says nothing about changing the sensor or the connector or pig tail ! It's a circuit voltage low code
P0405 - DPF EGR Sensor Circuit Low Voltage Detected See DTC P1400 Problem with wiring or PCM !
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A DPF EGR PID reading less than 0.2 volt with the key ON and engine OFF or running, indicates a hard fault.

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My 94 e 150 Ford van is sputtering sometimes Idel and running how can we fix this I have changed spark plugs wires fuel filter dis cap rotor button


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