SOURCE: 2002 Isuzu Rodeo computer code p0446 probably from
diana2009: p0446 is a "Very" common code to pop up!
9 out of 10 times it has to do with the gas cap. The cap may have been loose or it may be failing. It is an EVAP code.
Do not buy an aftermarket cap! Buy an original equipment cap.
The aftermarket caps are often cheap, ones made in China and do not work or will not last very long.
Before spending money on any diagnostics in a shop, your truck is old enough where the cap could very well be the problem. It's a cheap enough gamble. You can probably get AutoZone to cancel the light for you for free.
SOURCE: where is the thermostat for a 2002 isuzu rodeo?
The thermostat is located at the end of the top radiator hose on engine.
SOURCE: 2002 2.2l p0300
that code is for a multiple or random missfire.i would check or just replce if its been awhile the spark plugs and wires fuel filter also if its been awhile
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