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  #1  
Old 11-29-2007, 08:33 AM
Carmenmgonzales Carmenmgonzales is offline
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Red face On Boad Diagnostic System (OBD)

What are the following codes: PO336 and PO442? Can anyone tell me what they are and what they look like?
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Old 11-29-2007, 10:16 AM
maxwedge maxwedge is offline
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Re: On Boad Diagnostic System (OBD)

Welcome to AF, start by telling us what year and engine!
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Old 11-29-2007, 01:44 PM
dwalmop dwalmop is offline
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Re: On Boad Diagnostic System (OBD)

P0442 - Evaporative emission control system problem

P0336 - Code for a crank position sensor problem.

I'm not sure what you mean by asking what they look like.
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Old 11-29-2007, 03:21 PM
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richtazz richtazz is offline
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Re: On Boad Diagnostic System (OBD)

Here are the specific code definitons:

P0336-Crankshaft Position Sensor A Circuit Range/Performance
P0442-Evaporative Emission Control System Leak Detected (small leak)

The first one indicates a bad crank position sensor. On a 3.1, I'm pretty sure sensor A is the one in the back of the block.

the second code is a leak in the evap system, that could be anything from a bad gas cap, to stuck vent valve, to cracked/broken vacuum line.
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