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HOMESERVICE MANUALSMAZDA20066 I, 4D SEDAN, AUTOMATICREPAIR AND DIAGNOSISENGINE PERFORMANCETESTING & DIAGNOSISSYMPTOM TROUBLESHOOTING [ENGINE CONTROL SYSTEM L3)NO. 11 ENGINE STALLS/QUITS, ENGINE RUNS ROUGH, MISSES, BUCK/JERK, HESITATION/STUMBLE, SURGESNOTES
2006 Mazda 6 i, 4D Sedan, Automatic

No. 11 Engine Stalls/Quits, Engine Runs Rough, Misses, Buck/Jerk, Hesitation/Stumble, Surges: Notes

2006 Mazda 6 i, 4D Sedan, AutomaticSECTION Notes
POSSIBLE CAUSE DESCRIPTION

11 ENGINE STALLS/QUITS - ACCELERATION/CRUISE
ENGINE RUNS ROUGH - ACCELERATION/CRUISE
MISSES - ACCELERATION/CRUISE
BUCK/JERK - ACCELERATION/CRUISE/DECELERATION
HESITATION/STUMBLE - ACCELERATION
SURGES - ACCELERATION/CRUISE
DESCRIPTION 
  • Engine stops unexpectedly at beginning of acceleration or during acceleration.
  • Engine stops unexpectedly while cruising.
  • Engine speed fluctuates during acceleration or cruising.
  • Engine misses during acceleration or cruising.
  • Vehicle bucks/jerks during acceleration, cruising, or deceleration.
  • Momentary pause at beginning of acceleration or during acceleration
  • Momentary minor irregularity in engine output
POSSIBLE CAUSE 
  • A/C system operation is improper.
  • Erratic signal or no signal from CMP sensor
  • Air leakage from intake-air system parts
  • Purge solenoid valve malfunction
  • Improper operation of electronic throttle control system
  • EGR valve malfunction
  • Erratic signal from CKP sensor
  • Low engine compression
  • Vacuum leakage
  • Poor fuel quality
  • Main relay intermittent malfunction
  • Throttle body malfunction
  • Engine overheating
  • Spark plug malfunction
  • Improper air/fuel mixture ratio control operation
  • Improper Variable tumble system operation
  • Air cleaner restriction
  • PCV valve malfunction
  • Improper valve timing due to jumping out timing chain
  • Restriction in exhaust system
  • Intermittent open or short in fuel body pump circuit
  • Inadequate fuel pressure
  • Fuel pump mechanical malfunction
  • Fuel leakage from fuel injector
  • Fuel injector clogging
  • Fuel line restriction or clogging
  • Pressure regulator malfunction
  • Accelerator position sensor misadjustment
  • TP sensor misadjustment
  • Intermittent open or short of MAF sensor, TP sensor, Accelerator position sensor and VSS
  • ATX malfunction (ATX)
  • Clutch slippage (MTX)
  • Improper Variable intake air system operation
    WARNING: The following troubleshooting flow chart contains the fuel system diagnosis and repair procedures. Read the following warnings before servicing the fuel system:
    • Fuel vapor is hazardous. It can easily ignite, causing serious injury and damage. Always keep sparks and flames away from fuel.
    • Fuel line spills and leakage are dangerous. Fuel can ignite and cause serious injuries or death and damage. Fuel can also irritate skin and eyes. To prevent this, always complete "BEFORE REPAIR PROCEDURE" and "AFTER REPAIR PROCEDURE" described in this manual.

      (See BEFORE REPAIR PROCEDURE ).

      (See AFTER REPAIR PROCEDURE ).

    RENDER: 1.0x

    NO RELATED

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    When to See a Mechanic

    Stop DIY work and contact a certified mechanic immediately if any of the following apply:

    • • You smell fuel, burning insulation, or see smoke.
    • • Brakes feel soft, pull hard to one side, or make grinding noises.
    • • The engine overheats, stalls repeatedly, or misfires under load.
    • • You are missing required tools, torque specs, or safe lifting equipment.
    • • You are not confident in the next step or safety outcome.