At my last track event, I had to park the car after one day. Sometimes it would go into limp mode, sometimes it would make 0.9 bar but stumble between 3000 and 4000 rpm. It was always running rich, and eventually threw a CEL. That's when I parked it.

The code was 3003 - #3 misfire. I took it into my indy, who has the Porsche factory software. In addition to the 3003, he also found 1249 - boost overpressure. Pressure testing revealed a boost leak at the coupling to the passenger side intercooler. He said that it looked like that coupling had been loose a long time.

The misfires indicated coil packs, so he changed those and the plugs. All three plus on the drivers side were loose, and the coil packs were covered with soot. Must have been left over from the PPI I had done when I bought the car, when I also had a leakdown test and new plugs installed.

Replaced all of the turbo hoses with AP silicone hoses, and he also decided to replace the frequency valve, which looked oily. While it was apart, he also replaced the serpentine belt. I should get the car back next week.

Too bad I don't have any more track days this year to give it a real run. I imagine it is going to feel a lot different.

Jon

 

That sucks Jon. Hope you get it back soon! Kypca de is this weekend. Wished u were there! My instructor this session is a Subaru guy.

 

I'm planning to drop by on Sunday. Is your instructor Charles Turner?

 

Cool! Will see you there! Yep, Charles. Does he know about these rear engine thing-a-ma-jigger cars?

 

a llose plug goes chirp at start up any way mine did... ya don't want onea thoses things to make a quick exite , makes a real mess

 

Never heard any chirps. Maybe they were only loose enough to allow a little exhaust blow-by? Should be interesting to see how it runs after all of these things are repaired.

 

Charles is a good guy, and a very good driver. He's a prof at IUPUI. And I guess you are still "in the family" since Charles was my student. Hope it goes well.

Jon