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Originally Posted by cptsideways  My 1JZ'd Soarer passed the C/O & Cat test (without a cat), it just means your car is not runing right!! High C/O's is simply overfuelling which has proabably killed your Lambda.
Absolutely no mechanical reason why your car should running so rich under low load, have you a Power FC on it or similar?
Oh yeah my Soarer manages over 30mpg on a run when its running right  |
Yeah i have an Apexi Power FC on it. It also has a Greddy Profec B which currently has the boost switched off due to the turbo being newly rebuilt and needing run in. There is some white smoke coming from the exhaust but not 100% sure what is causing it, the compression is fine on it though.
Do you think a change of Lambda would help reduce it significantly?