Does Seafoam Clean Egr Valve? The seafoam is pulled through the engine, combusted, and discharged into exhaust. It should clean the intake, pistons, and exhaust valves. The most common culprit is carbon buildup on the throttle body, exhaust gas recirculation (EGR) valve and idle air control (IAC) valve. Is there a fuel additive to clean … Continue reading Does Seafoam Clean Egr Valve?
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