its not the light soo much as the hesitation i feel ocationally. On the highway after driving for a little while I feel a hesitation when the light comes on and it doesnt stop till i remove my foot from the gas.. Then when the light is on occasionally i can feel teh same hesitation but it goes away.. It never does it off the highway. Idles fine.. I can drive as fast as I want on side roads.. It seems to only be at about 3-4k rpms cruising in fifth gear for an extended amount of time. Its not the light thats bothersom. If you guys dont think this is the standard 0300 issue let me know. Im going to replace the plugs this week but I would think if it were the plugs it would idle funny and it would do it almost all the time not just certain rpm after extended times,, you know what i mean? Is there Any way you can help me to diagnose it a little better?

 

bump...

 

Yours sounds like something is actually wrong. I would go to the dealer for the new reflash that supposed to fix it.

--Josh

 

if I have an SAFC would I need to retune it after the mitsu reflash?

 

This is exactly what happens to my Evo too!!! Three or four starts later the SES light is off.

 

You guys have the classic p0300 issue.

Soooooo the question is still out there: how does the AEM EMS get around the p0300 issue? Is it simply set to ignore the code, or does it use a different knock sensor, or NO knock sensor... what's the deal?

How did the ECU+ product work out with regards to this issue?