Some more check engine light..

[texan]

After reading some of the recent threads on CELs I'm not finding one that quite matches my problems, so thought I'd post. The car has this loss of power feeling where it starts to stutter in low 2k to 3k rpm. Sometimes the same at high speed and high rpm, merging onto the highway. I get p0300 random misfires pop up often. I've had p1101 and p0101 pop up (which I believes relates to the maf sensor), as well as p0324 one time a few weeks ago.

The car is tuned by BNR with mpfabs Cai. As of yesterday I removed the tune, the loss of power is still there. No recent codes because I've been driving cautiously.

I bought the car in September last year with no problems. Tuned it in May, and after p0300 popping up alot, I checked and gapped all plugs, issue went away. Added the Cai later in June, and no issues came up from that.

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[Flyer]

Pull the plugs and check for being fouled out.

I bet your PCV is dumping oil into the turbo.

You could also pull the intake tubing and see if it's trailing into the turbo a little heavy.

 

[texan]

Thanks, I'll take a good look after work today.
This is the first car I've ever purchased and I'm learning as I go, where can I find the intake tubing?

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[texan]

So I went back to the stock air box and all the problems have stopped. I did get one random misfire so I'll take a look at the plugs. I'm hoping with all of the construction around me that something just got bumped loose(the problem started after my 5 minute drive to work became a 30 minute drive down the highway that's under construction) so I'll try reinstalling the cai later.

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