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Mazda Mazda6 - Page 356

Mazda Mazda6
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F2–204
TROUBLESHOOTING
End Of Sie
14 Measure gap between CKP sensor and teeth of
pulse wheel.
Specification
1.5—2.5 mm {0.059—0.098 in}
Is gap within specification?
Yes Go to next step.
No Adjust CKP sensor position.
15 Visually inspect CMP sensor and teeth of pulse
wheel.
Are CMP sensor and teeth of pulse wheel okay?
Yes Inspect following PIDs:
(See F2–65 PCM INSPECTION)
• ECT
• IAT
• MAF
• MAP
• RPM
• VSS
If PID value is not as specified, repair or replace
malfunctioning parts.
If PID value is okay, go to next step.
No Replace malfunctioning parts.
16 Inspect timing belt for following:
• Chipping of gear teeth
• Low tension
• Breakage damage or cracks
Is timing belt okay?
Yes Inspect following:
• Clutch slippage
• CKP sensor
• Boost sensor and related circuit
• Brake system for dragging
• Coolant heater system
• Glow system
If okay, remove and inspect supply pump.
No If timing is incorrect, adjust valve timing.
If timing belt is not okay, replace timing belt.
17 Verify test results.
• If okay, return to diagnostic index to service any additional symptoms.
• If malfunction remains, replace PCM. (See F2–64 PCM REMOVAL/INSTALLATION)
STEP INSPECTION RESULTS ACTION

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