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P0401 Mitsubishi - ive replaced everything and done clogs too whats next?

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Ireplaced egr and vacum switching stuff unclogged everything light still on ? 2818964347 text me if u can help please

Vehicle: 2001 miysubishi eclipse rd 4cyl

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P0401 Exhaust gas recirculation flow insufficient

Check the EGR vacuum route, if there is a underhood vacuum diagram use that, also make sure there is no obstruction in any of the vacuum hose going into the EGR system or broken vacuum hoses

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