1997-1998 INFINITI QX4; ENGINE DAMAGE, MIL ON (P0300 THROUGH P0306) AND/OR ENGINE OVERHEAT DUE TO COOLANT LEAK FROM INTAKE COLLECTOR
If a 1997-98 QX4 exhibits coolant loss, engine damage, MIL ON (P0300 through P0306) and/or engine overheat, the cause may be an intake collector coolant leak.
2016 INFINITI Q50; MIL ON WITH P0301 P0306
One or more of the following DTCs are stored in any combination:
- P0301
- P0302
- P0303
- P0304
- P0305
- P0306
And
- It is confirmed that one or more fuel injectors are stuck open.
-REVISED- 2011-2012 INFINITI M56; MIL ON WITH DTC P0300 STORED
The MIL is ON with DTC P0300 (MULTI CYL MISFIRE) stored in the ECM.
AND
There are no drivability issues.
20032008 INFINITI FX35; DTC P0300 AND IGNITION COILS BLISTERED
Cylinder Misfire DTC (P0300 through P0306) is stored in the ECM,
and
One or more of the ignition coils is blistered (outer surface is deformed/melted),
NOTE: The above conditions may also be accompanied by one or more of the following:
Hesitation on acceleration
Rough running engine (engine misfire)
Engine cranks but will not start