Operation CHARM
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Jeep Truck
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2008
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Grand Cherokee 4WD V6-3.0L DSL Turbo
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Repair and Diagnosis
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Powertrain Management
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Computers and Control Systems
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EGR Backpressure Transducer
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Description and Operation
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Operation
Operation
OPERATION
The exhaust gas effects a sensor membrane that acts against a potentiometer internal to the sensor. The potentiometer changes the resistance value and thus influences the signal voltage of the sensor.