P0300 / Engine RPM speed @ idle

Cmike2780 · 03-12-2013, 03:28 PM

Quote:

Originally Posted by red6spd

Yea that idle is not correct. I got this same code and symptoms last year and could not find the problem. I cleared the code and the CEL went away and the car started to idle fine. Now for the longest time I had a huge throttle delay problem and finally decided to bring the car to RAD (a tuner in my area) to find out the problem. This is all after the CEL problem. They found out the car was running improper AFR's on bank1 and bank2 due to a exhaust leak. I know you said you check for them but just be 100% sure cause I think that's what my problem was.

Come to think of it, I did notice a slight hiss whenever I lifted off the throttle last week. It went away so I didn't think anything of it. The Borla CBE has slip joints, maybe one of them came loose a bit. I guess I'll have to double check and re-tighten. Hopefully this fixes it.

On a separate note, do you go to the Wed night meets at RAD? I've been meaning to go but the weather has been crappy and/or I've been too busy to go.

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