R32 Gtr Exhaust Temp Light With Pfc

[EdGTR]

Hi all.

Ive just had my R32 GTR on the dyno and was quite happy with the results but when the car was at the shop the exhaust temp light came on and just stayed there. The light can not be operated by the original sensor as it and its wiring are long gone. I got home and did some serching and there seemed to be some mixed ideas about what can bring it on. My car has a Power Fc and has been perfect for years with never seeing any lights at all until now.

I can confirm 100 percent that R32 GTRs use this as their warning light. I looked at the car and while the laptop was plugged in the pfc boost control had been turned on and i dont run boost control so it bought up the exhaust temp warning light. I turned it off and the light went away.

All Good.

[icydude]

Just to confirm, the boost controller is still set to off in the power fc?

[R.3.2.G.T.R]

I thought the car won't start if boost controller is set to on in PFC and apexi boost kit isn't being used

[paulr33]

ed's post is saying that on BNR32, there is no engine check light so the PFC uses the exahust temp light as the "engine check light"

cars such early model RX7 also do this, they use exhaust temp light as the engine check light instead

thanks for confirming ed

[jiffo]

I thought the car won't start if boost controller is set to on in PFC and apexi boost kit isn't being used

I found it would eventually start with a lot of accelerator but wouldn't idle or run properly at all.

Never had this problem with an Rb25, it just illuminated the check engine light.

GTR was very different.

[EdGTR]

Yeah just on the R32 gtr as far as i know. It started and ran fine but the boost was down a couple of pounds as im guessing since it was looking for the apexi one it stopped doing anything with the original. When i turned it back to off the boost went from 10sih to mid 12 psi. I still had the factory restrictor in. I didnt think that it would do anything with the factory solenoid but it seems to.

Live and learn.

[Duncan]

absolutely correct. 32 gtr has no engine light so PFC uses the cat temp light for all functions like knock, sensor out of range etc etc