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DODGE

09-016-24

Manufacturer communications

Publication date
2024-07-17
Received by NHTSA
2024-07-23
NHTSA record numbers
11005019

Manufacturer summary

Original wording in English

Spark Plug Re-Gap to Resolve Misfire Symptoms Customers must experience a Malfunction Indicator Lamp (MIL) illumination and the vehicle must exhibit/set one or more of the following Diagnostic Trouble Codes (DTCs):
• P0300 - Multiple Cylinder Misfire.
• P0301 - Cylinder 1 Misfire.
• P0302 - Cylinder 2 Misfire.
• P0303 - Cylinder 3 Misfire.
• P0304 - Cylinder 4 Misfire.
• P0305 - Cylinder 5 Misfire.
• P0306 - Cylinder 6 Misfire.
• P0307 - Cylinder 7 Misfire.
• P0308 - Cylinder 8 Misfire.
• P0420 - Catalyst System Efficiency Below Threshold Bank 1.
• P0430 - Catalyst System Efficiency Below Threshold Bank 2. The customer may also comment on one or more of the following:
• Excessive vibration.
• Engine runs rough.
• Lack, or loss of power.
• Engine misfire.

NHTSA manufacturer communications ↗

Reported code forms

P0300P0301P0302P0303P0304P0305P0306P0307P0308P0420P0430

Manufacturer wording

Source wording can vary by vehicle and suffix. It is shown as written, not as a universal diagnosis.

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MakeModelModel year
DodgeCHALLENGER2023

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