RAM 1500 Truck 4WD V8-4.7L (2008)
Dual, vertically mounted EVAP canisters (1) and (4) are used with Type 3. The ESIM (Emission System Integrity Monitor) switch (2) is mounted to the
main canister (1). Canister (4) is considered a secondary canister.
Type-4 Canisters
Dual, horizontally mounted EVAP canisters (1) and (7) are used with Type 4. The ESIM (Emission System Integrity Monitor) switch (3) is mounted to
the main, primary canister (1). Canister (7) is considered a secondary canister.
