Mazda 6 Service Manual: Troubleshooting
Mazda 6 Service Manual / Fuel and emission control systems / Troubleshooting
- Engine symptom troubleshooting
- Quick diagnostic chart
- No.1 melting of main or other fuses
- No.2 mil illuminates
- No.3 will not crank
- No.4 hard to start/long crank/erratic start/erratic crank
- No.5 engine stalls-after start/at idle
- No.6 cranks normally but will not start
- No.7 slow return to idle
- No.8 engine runs rough/rolling idle
- No.9 fast idle/runs on
- No.10 low idle/stalls during deceleration
- No.11 engine stalls/quits, engine runs rough, misses, buck/jerk, hesitation/stumble, surges
- No.12 lack/loss of power-acceleration/cruise
- No.13 knocking/pinging-acceleration/cruise
- No.14 poor fuel economy
- No.15 emission compliance
- No.16 high oil consumption/leakage
- No.17 cooling system concerns-overheating
- No.18 cooling system concerns-runs cold
- No.19 exhaust smoke
- No.20 fuel odor (in engine compartment)
- No.21 engine noise
- No.22 vibration concerns (engine)
- No.23 a/c does not work sufficiently
- No.24 a/c is always on or a/c compressor runs continuously
- No.25 a/c is not cut off under wide open throttle conditions
- No.26 exhaust sulphur smell
- No.27 constant voltage
- No.28 spark plug condition
- Intermittent concern troubleshooting
- Engine control system operation inspection
Dtc p2504
Diagnostic procedure
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Engine symptom troubleshooting
Confirm trouble symptom using the following diagnostic index, then go to
appropriate troubleshooting chart.
Diagnostic Index
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Other materials:
Mazda 6 Service Manual: Making a Call
Phonebook Usage
Telephone calls can be made by saying the contact name in the downloaded phonebook
or the name of a person whose phone number has been registered in the Bluetooth®
Hands-Free. Refer to Import contact (Download Phonebook).
1. Press the talk button.
2. Wait for the beep sound.
...
Mazda 6 Service Manual: Cooling system service warnings
COOLING SYSTEM SERVICE WARNINGS
Warning
Never remove the radiator cap or loosen the radiator drain plug
while the engine is running, or when the engine and radiator are hot.
Scalding coolant and steam may shoot out and cause serious injury. It may
also damage the engine and cooling sys ...
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