P04D7

2017-10-10

Description:

  • Exhaust Brake Input Circuit Intermittent/Erratic

Possible Symptoms:

  • Check and tighten all connections in the exhaust brake input circuit.

  • Inspect the exhaust brake sensor for any damage or corrosion and replace if necessary.

  • Scan the vehicle's computer system for any error codes related to the exhaust brake input circuit and repair as needed.

  • Inspect the wiring harness for any frayed or damaged wires and repair or replace as necessary.

  • Consult the vehicle's service manual or contact the manufacturer for further troubleshooting and diagnostic steps if the issue persists.

Possible Causes:

  • Loose or faulty exhaust brake wiring connections

  • Malfunctioning exhaust brake switch or sensor

  • Electrical or wiring issues in the exhaust brake system

  • Faulty exhaust brake solenoid or valve

  • Clogged or restricted exhaust brake components

Related Parts:

Possible Solutions:

  • Check engine light illuminated

  • Loss of power or acceleration

  • Rough or unstable engine idle

  • Stalling or hesitation during acceleration

  • Poor fuel efficiency

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