How does the ISX engine improve fuel economy?
How does the ISX engine improve fuel economy? The ECM can activate each fuel injector up to five times per combustion cycle. The single camshaft improvement creates a better fuel economy and reduces emissions to stay parallel with EPA standards. By 2013, the ISX gained on-board diagnostics to track the engine’s emissions. This change increased fuel efficiency compared to previous versions. What should turbo boost pressure be on Cummins ISXe5? Can anyone tell what the turbo boost pressure should go up to on a Cummins ISXe5 rated at 600HP. Mine only goes to 28psi and I think that is too...