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Hi. Car is running a E39a vr4 maf,ecu and turbo. Evo 510 injectors.iinjectors.i dont think we changed coolant temp sensor off blown 4g61t so im hoping this is my issue. Thankyou
The temp sensors aren't different between turbo and non-turbo, but yours could be acting up. The E39A VR4 ECU and MAF aren't calibrated for the 510cc injectors, so that could be causing an issue as well. These cars had 450cc injectors. That would cause you to run a bit rich at idle and partial throttle. I'd recommend getting a S'AFC or something to tune out the difference in injector size.