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R32 GTS-t power loss

Anyone had a problem with GTS-t (or GTS-4) where the engine is limited to 2500rpm? It is intermittant.. sometimes the car will develop power nicely, sometimes it is a bit rough and sometimes the engine is limited to 2500rpm. I have a build-up of petrol-looking stuff under the injector on the #3 cylinder but I don't think that is causing it

The car is stock except for an R33 GTS25t fuel rail, and an auto to manual conversion

There is also a strong smell of unburnt petrol that gets stronger when the engine is under load.

The most frustrating part about it all is that any time I plant my foot, I have about a 75% chance of going fast, and a 25% chance of the car bouncing violently on the imposed 2500rpm limiter.

Reply to
Nick Aldwell
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Sounds like it's going into limp home mode. Revs are limited to

2400rpm (2800rpm on trucks). The only thing that will trigger limp home mode is a fault on the Air Flow Meter. As it's intermittant it is either an air leak or a wiring fault. Check the electrical connection to the AFM. Run mode III and V check on ECU.

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Reply to
Peter Hill

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