Has anyone thrown the P0300 code on their RA? It's random multiple misfires. My plugs barely have 4K on it so I'm curious as to what's going on. Could it be bad fuel? I have ordered replacement Denso as insurance.

 

I got that one right after I put a cold air intake on. I think it was because I was running lean, because I cleared it a few times and it hasn't come back. Since it's not giving you a specific cylinder I'd guess it's more likely related to the AF ratio than a plug or injector issue.

 

I've been running a SRI for awhile without any issues. Could the MAF be bad?

 

Hmm..the code disappeared this morning on it's own. I don't count that as the problem being resolved b/c it's bound to come back. I cleaned my MAF a few weeks ago so that should be ok (I hope).

 

I think if it doesn't see a high misfire count for 4-5 warmup/driving cycles it will reset the code. A lot of times with a mod like a SRI that changes the air flow of the engine it will take a bit for your long term fuel trims to stabilize. A good reason to reset the computer after every mod

-Michael