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Home >> Mazda >> 2006 >> MPV ES >> Repair and Diagnosis >> Engine Performance >> System >> Symptom Troubleshooting [Engine Control System AJ) >> No. 15 Emission Compliance >> Notes
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No. 15 Emission Compliance: Notes

EMISSION COMPLIANCE POSSIBLE CAUSE DESCRIPTION

15 Emission compliance.
DESCRIPTION 
  • Emission compliance test is failed.
POSSIBLE CAUSE 
  • Vacuum lines leakage or blockage.
  • Cooling system malfunction.
  • Spark plug malfunction.
  • Leakage from intake manifold.
  • Erratic or no signal from CMP sensor.
  • Inadequate fuel pressure.
  • PCV valve malfunction or incorrect valve installation.
  • EGR valve malfunction.
  • Exhaust system clogging.
  • Fuel tank ventilation system malfunction.
  • Charcoal canister damage.
  • Excessive carbon built up in combustion chamber.
  • Improper engine compression.
  • Improper valve timing.
    WARNING:
    • The following troubleshooting flow chart contains the fuel system diagnosis and repair procedures. Read the following warnings before performing the fuel system services:
      • 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 file. (See BEFORE REPAIR PROCEDURE .) (See AFTER REPAIR PROCEDURE .)
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