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P1201 Code - Fuel System Failure Caused No. 1 Cylinder Misfire

- Code Popularity: 43,086 Views
- Repair Importance Level: 3/3
- Repair Difficulty Level: 3/3
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What are the Possible Causes of the DTC P1201?

NOTE: The causes shown may not be a complete list of all potential problems, and it is possible that there may be other causes.
  • Ignition spark
  • Check primary and secondary ignition
  • Check fuel system
  • Fuel pressure and injector
  • Check for vacuum leaks
  • Check engine mechanical condition
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How to Fix the DTC P1201?

Review the 'Possible Causes' mentioned above and visually examine the corresponding wiring harness and connectors. Ensure to check for any damaged components and inspect the connector pins for signs of being broken, bent, pushed out, or corroded.

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What is the Cost to Diagnose the Code?

Labor: 1.0

To diagnose the P1201 code, it typically requires 1.0 hour of labor. The specific diagnosis time and labor rates at auto repair shops can differ based on factors such as the location, make and model of the vehicle, and even the engine type. It is common for most auto repair shops to charge between $75 and $150 per hour.

What are Code Possible Symptoms?

  • Engine Light ON (or Service Engine Soon Warning Light)

Code P1201 Description

The Engine Control Module (ECM) monitors the Fuel System. The ECM sets the Diagnostic Trouble Code (DTC) when the Fuel System is not to factory specifications, which caused the No. 1 Cylinder to misfire.

OBDII Code P1201 - Fuel System Failure Caused No. 1 Cylinder Misfire - AutoCodes.com
P1201 Code - Fuel System Failure Caused No. 1 Cylinder Misfire

Need More Information on the Code?

Need more information on how to fix the P1201 code? Get Access to Factory Service Manuals

Information for Specific Makes

  • P1201 Acura Fuel System Failure Caused No. 1 Cylinder Misfire  📷
  • P1201 Audi Fuel Injector Circuit Cylinder 1 Electrical Malfunction
  • P1201 Buick Transmission Range Redundant Command Message Counter Incorrect  📷
  • P1201 Cadillac Transmission Range Redundant Command Message Counter Incorrect  📷
  • P1201 Chevrolet Transmission Range Redundant Command Message Counter Incorrect  📷
  • P1201 GMC Transmission Range Redundant Command Message Counter Incorrect  📷
  • P1201 Honda Fuel System Failure Caused No. 1 Cylinder Misfire  📷
  • P1201 Isuzu Injector Circuit Open / Shorted Cylinder #1
  • P1201 Jaguar Fuel Injector Circuit Cylinder 1 Electrical Malfunction
  • P1201 Volkswagen Fuel Injector Circuit Cylinder 1 Electrical Malfunction

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Code P1201 comments

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