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Flashing Check Engine Light

Picture
A flashing Check Engine light in any modern Mazda means that the ECU is detecting a misfire. 

Period.

There are no other conditions that will trigger a flashing CEL. If you would like to confirm, you can go to the Check Engine Light section and look for what all CELs have "Flash" noted. They are only on Misfire codes P300, P301, and P302.

Misfires can be caused by numerous different possible failures, and are involved in nearly every common parts failure in the RX-8. They need to be addressed quickly however, as they can lead to additional cascading failures if ignored in addition to killing your fuel economy and power.

See Solving Misfires for how to solve them

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  • Home
    • About Me
    • Source Threads
    • Special Thanks
    • Mailing List
    • Site Updates >
      • Under Construction
    • Feedback
    • Membership
  • Potential Owners
    • Before You Buy >
      • The Engine Failure Story
      • Designed to Burn Oil
      • The Flooding Myth
      • Engine Core Warranty
      • Right for Me?
      • Mandatory Compression Test
      • Pre-Purchase Inspection
    • Production Variants >
      • Trims and Packages
      • Colors
      • Engines
      • Transmissions
      • Series Differences
    • Understanding >
      • It's Not a Piston Engine
      • Common Issues
      • Cold Weather
      • Gas Mileage
      • How Much Horsepower?
  • Current Owners
    • Maintenance >
      • Ignition Health
      • Critical Cooling
      • Critical Scheduled Maintenance
      • Factory Scheduled Maintenance
      • Making Your Engine Last
      • Which Oil to Use
      • Used Oil Analysis
      • Premix
      • Starting Up
      • Driving Habits
      • Shutting Down
      • Obtaining Warranty Coverage
    • Troubleshooting >
      • Check Engine Light
      • Flashing Check Engine Light
      • Solving Misfires
      • Resetting the ECU
      • Tools to Have
      • Mazda Technical Data
    • Documentation >
      • Specifications Data
      • Drive Cycles
      • Service Information
      • Recalls
      • Technical Service Bulletins
      • Special Service Programs
      • Dealer Tips and Training
      • Sample Part Diagram
    • Aftermarket Modifications >
      • Naturally Aspirated Power
      • Forced Induction
      • Engine Swaps
      • Suspension and Handling
      • Engine Cooling
      • Engine Oiling
      • Ignition
      • Gas Mileage
      • Drivetrain
      • Appearance and Body Kits
      • Interior and Electronics