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Jerry
Jerry, Master Mechanic
Category: Dodge
Satisfied Customers: 1740
Experience:  ASE Master tech, 30 years exp. troubleshooter, driveability tech
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HOW DO YOU CHECK PRESSURE SENSOR, 2008 HD3500 CUMMINS 6.7,

Customer Question

HOW DO YOU CHECK PRESSURE SENSOR
JA: What model and year is your Dodge?
Customer: 2008 HD3500 CUMMINS 6.7
JA: Nice car. The Dodge Mechanic can help you with your '08 Dodge. Tell me a bit more about what's going on so he can help you best.
Customer: DTC 0471
JA: Are you hoping to fix this yourself?
Customer: YES
JA: Great! What have you tried so far?
Customer: CLEAN THE PIPE,PASSAGE
JA: Are you ready to speak with the Dodge Mechanic now?
Customer: YES
JA: I'm sending you to a secure page on JustAnswer so you can place the $5 fully-refundable deposit now. While you're filling out that form, I'll tell the Dodge Mechanic about your situation and then connect you two.
Submitted: 9 months ago.
Category: Dodge
Expert:  pETER replied 9 months ago.

sensor itself gets clogged with soot causing P0471, you did clean pipe and passage where it mounts too so now its time to replace sensor , if you have access to a scanner you can read live data form it to check if reading is good, it should show same pressure on all the sensors while engine is off and ignition is on. not all scanners can read it !! snap on scanners can read only rear pressure sensor not the front , you can check volt meter and check voltage, even better if you have a lab scope