Mazda 6 Service Manual: No.12 lack/loss of power-acceleration/cruise
Diagnostic procedure
No.11 engine stalls/quits, engine runs rough, misses, buck/jerk,
hesitation/stumble, surges
Diagnostic procedure
...
No.13 knocking/pinging-acceleration/cruise
Diagnostic procedure
...
Other materials:
Mazda 6 Service Manual: Inspecting Coolant Level
WARNING
Do not use a match or live flame in the engine compartment. DO NOT ADD
COOLANT WHEN THE ENGINE IS HOT: A hot engine is dangerous. If the engine has
been running, parts of the engine compartment can become very hot. You could be
burned. Carefully inspect the engine coolant in the coola ...
Mazda 6 Service Manual: No. 2 all on-board diagnostic functions inoperative
When performing an asterisked (*) troubleshooting inspection, shake the
wiring harness and connectors while doing the inspection to discover whether
poor contact points are the cause of any intermittent malfunctions. If there
is a problem, check to make sure connectors, terminals and wir ...