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There's hope for the rest of us then!

GLWS, Matt.

Wow, someone will be lucky to get this.

GLWS.

Sorry to see you go.

I bought some Bosch remanufactured MAFs once. They were pretty reasonably priced and everything was new except for the the body.

I would probably replace the MAFs, DV and N75, and all the vac hoses. Belt and braces.

There's nothing that jumps out wildly. Couple of things: Your MAF readings are a bit low. You should be getting close to 200g/s per bank on WOT. Might be tired MAFs. But also, your accelerator position doesn't go to 100% on WOT. Might explain why. Or maybe you've still got a small leak around the MA...

Yup, those are the ones.

That's a pretty encouraging result. Yeah, loose spark plugs would definitely cause issues. Did you order the correct NGK plugs? It's important on this car. The engine load % isn't useful. It can (and often does) go above 100% on a stock map. I don't know what the ECU strategy is for the load so let'...

This is surprisingly cheap, although I don't really follow Porsche prices:

https://www.pistonheads.com/buy/listing/14350783

The Boxster of that era is a surprisingly competent car. I've considered one myself, but I'm not a huge fan of the design. It always seems to me that you couldn't tell if they are coming or going. I like the later ones, though (718). I reckon the 996 is one of the best value 911s. Great cars if you ...

Are you sure he wasn’t having a laugh?

It's a temp sensor for the dash display of ambient temperature. Doesn't matter where you put it because it always gives stupid temps anyway, but it's supposed to clip somewhere on the bumper IIRC.

The boost will be limited if there are other issues. It’s not helpful at this point other than to confirm the ecu isn’t happy about something.

The torque values you refer to aren’t going to be helpful. It’s just a rough theoretical calculation that the TCU will use to do its thang.

I’m also willing to bet a beer at this point that you have a massive air leak.

Start by logging the air flow and trim values. It takes a few starts for warning lights to come on if the dealer has cleared them just before you drive off with the car. Might be a dodgy map. Might be worth flashing the standard map back on to the car. After compression test then do a fuel pressure ...

Fair enough.

Get a vagcom then. You’re shooting in the dark without one.

Then we’ll go through things methodically.

Do a compression test too before going much further.