The engine code P0456 on a 2003 Dodge Ram 1500 indicates a small leak in the evaporative emission control system (EVAP). This system helps prevent fuel vapors from escaping into the atmosphere. Common causes for this code include a loose or damaged gas cap, a faulty EVAP canister, or leaks in the hoses and lines. It's advisable to inspect these components to diagnose and resolve the issue.
Trouble code P0456 means: EVAP Control System Very Small Leak (0.020") Detected
7 quarts
250,000 is about average.
2012 Ram 1500 wheels will fit on a 2003 .
6 quarts 5w30
.040 inch
NoNo
Timing chains normally last the life of the engine and are replaced when the engine is rebuilt.
About 6 quarts/5.5 liters.
There are sensors all over the engine, transmission, exhaust, axles, etc.
They could be, but you are near the average lifespan.
It depends on the year. from 2003 to about 2005 they used 5w30. After that they used 5w20.