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The location of the 2003 Dodge Ram 1500ecm is in the engine compartment on the passenger side. Various engine issues may arise, such as a spark plug dislodging or a loose gasket needing tightening. It is important to promptly address oil leaks and prevent engine overheating, which can result in fires and explosions. Watch out for excessive oil consumption, necessitating more frequent oil changes. Every 60,000 miles or so, the coolant should be replaced, and the air filter should be changed every 15,000 to 30,000 miles. Spark plugs should typically be replaced every 100,000 miles, unless it's a copper one, in which case it should be changed every 30,000 miles.
The 3003 Dodge Ram ECM can be found near the firewall on the passenger side of the engine bay.
The ECM for the 2003 Dodge Ram 1500 can be found on the right side of the engine compartment, by the passenger side.