HELP on some OBD II Codes

royto · 08-08-2009, 09:27 PM

2000, ES V6.

Check engine light on.

Actron CP9175 scanner from Autozone.

P0300
P0442
P0455

I have been trying to look up some background to these codes, and of course I have the generic description for each one from the scanner, but I am curious of anyone has some suggestions.

Thanks very much to anyone who responds.

RahX · 08-09-2009, 02:34 AM

P0300 - RANDOM CYLINDER MISFIRE DETECTED
P0442 - EVAP LEAK MONITOR SMALL LEAK DETECTED
P0455 - EVAP LEAK MONITOR LARGE LEAK DETECTED

I would look at your EVAP hoses for splits and cracks.

royto · 08-09-2009, 08:14 AM

Quote:

Originally Posted by RahX

P0300 - RANDOM CYLINDER MISFIRE DETECTED
P0442 - EVAP LEAK MONITOR SMALL LEAK DETECTED
P0455 - EVAP LEAK MONITOR LARGE LEAK DETECTED

I would look at your EVAP hoses for splits and cracks.

Thanks Rah, will do it this morning.

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