P1203 - Fuel System Failure Caused No. 3 Cylinder Misfire

Repair Importance Level: 3/3
Repair Difficulty Level: 3/3   
Comments  |  Add Comment

P1203 Possible Causes

  • Ignition spark
  • Check primary and secondary ignition
  • Check fuel system
  • Fuel pressure and injector
  • Check for vacuum leaks
  • Check engine mechanical condition

First diagnose P1203 code

    Check the "Possible Causes" listed above. Visually inspect the related wiring harness and connectors. Check for damaged components and look for broken, bent, pushed out, or corroded connector's pins.

Cost of diagnosing the P1203 code

    Labor: 1.0

    The cost of diagnosing the P1203 code is 1.0 hour of labor. The auto repair labor rates vary by location, your vehicle's make and model, and even your engine type. Most auto repairs shops charge between $75 and $150 per hour.

P1203 Possible Symptoms

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

P1203 Description

Fuel System Failure Caused No. 3 Cylinder Misfire is the generic description for the P1203 code, but the manufacturer may have a different description. Currently we have no further information abouth the P1203 OBDII code. Please post your question on our "Questions" section for more information: AutoCodes.com Questions.
OBDII Code P1203 - Fuel System Failure Caused No. 3 Cylinder Misfire - AutoCodes.com

P1203 More Information

Need more information on how to fix the P1203 code?
Get Access to Factory Service Manuals

P1203 Information for specific makes

Need more help?

Get the P1203 code diagnosed by a professional: Find a repair shop in your area

Related Information

P1203 Comments

Help us improve AutoCodes.com. Leave a comment below or tell us if the information above help you fix the code. What are the symptoms on your vehicle for the P1203 code? Have you replaced any parts?
Any information is appreciated. Thanks
Top ⇧