diagnose this problem please

[blitz]

@Hanzzzzz

i dont know if this will help, but on my B14 200SX, the car would randomly run maad rich during the warm up cycle. sometimes so much so, it would stall, flood and i would have to pull the fuel pump fuse to get it running. but it would also “buck” with richness the way u said.

obviously a B14 200 and an S12 200 share nothing but a name, however my symptoms were very similar. it turned out to be the engine temp sensor.

did u pressure wash the motor at all?

I did but that’s like 5 months ago. and it never had problems until this new turbo and exhaust.