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PFC Pro help

GunMetalR33

By GunMetalR33,
in Engines & Forced Induction

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GunMetalR33 Mentor

GunMetalR33

Posted
Posted

I just put my pFC into my GTS-T and things are not going well.

I am just running with the base map at the moment and have it booked in for a tune for late jan.

I have a turbo smart bleed valve running 13psi on high and stock on low (about 7psi).

When i have it set to high boost the car runs like some body has put a orange up the exhaust (it almost feels like some sort of really fine ignition cut)?

On stock it run OK, I though it might be the fact that the PFC's base map is not designed for our fuel, or maybe the PFC does not run with bleed valves?

PS, there are no warning lights displayed or anything like that and the car is holding boost so I dont think there are any leaks in the piping for the FMIC or anything like that.

Any idea's

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Sydneykid Grand Master

Sydneykid

Posted
Posted

Hi GunMetalR33, I would have someone watch the Commander readout when you are driving it at full boost. If it is retarding the ignition timing or adding some fuel it will show up on the screen. This is not dangerous, in fact the ECU is protecting the engine.

Another issue may be the AFM maxing out its voltage, this is a dangerous situation. You can also easily see this on the Commander. If it is running lean it will result in knock which will show up on the dashboad warning light as well.

I would try running the boost at 10 to 12 psi and see what sort of results you get. It may be at 13 psi you are just "over the limit".

Hope that helps

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sewid Grand Master

sewid

Posted
Posted

The base map may be fine for some people but it may not be fine for everyones car with infinite variety of modifications.

I would be watching the commander very closely especially the knock sensor reading.

I found that with the base map on my car it knocked too high at full throttle so i pulled it out until I can get it tuned.

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Steve Grand Master

Steve

Posted
Posted

I ran for ages on base map, but with only 0.6bar boost.

When my car went on the dyno to be tuned, I was glad I had kept the boost low, as it was still running very rich on boost and had AF ratios in the 10s.

Once it was tuned at 0.8 bar, with AF ratios at 12, it still had nearly 90% injector duty with stock injectors and fuel pump. Also, my AFM had run out of resolution (5.115V) by this stage too.

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