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  1. EGR and coolant thermostat (2005 Magnum)

    General Magnum Discussion
    So the great state of California has your general smog inspection that states if the check engine light is on, you cannot pass smog. Well after the computer spits out the info, it says that: Coolant Thermostat (coolant temp. below thermo. regulating temp) EGR Sensor - A Circuit High. My...
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