## Fuel and Emissions Systems

#### System Descriptions (cont'd)

11-183

Vacuum Distribution

*1: D15Y4, D17A2 (KQ, KU, KZ, FO models) engines

*2: except D15Y2, D15Y3, D15Y5, D15Y6 engines

*3: D15Y5, D15Y6, D17A1, D17Z2 engines

*4: D15Y6 engine

*5: D15Y3 (KV model), D15Y2, D15Y4, D16W8, D17Z1, D17A2, D17Z3, D17A5 (KV model), D17Z4 engines

*6: D15Y2, D15Y4, D16W8, D17Z1, D17A2, D17Z3, D17Z4 engines

*7: D15Y4, D17A2 (KU, KQ, KZ, FO models), D17Z1 (KQ model) engines

*8: except D15Y3 (PA, KW, KT, KN models), D16W9 (PA model), D17A5 (KN model) engines

(1) | PRIMARY HEATED OXYGEN SENSOR (PRIMARY HO2S) (SENSOR 1) | (13) | FUEL PRESSURE REGULATOR
|  | (14) | FUEL PUMP
(2) | SECONDARY HEATED OXYGEN SENSOR (SECONDARY HO2S) (SENSOR 2) | (15) | FUEL TANK
|  | (16) | AIR CLEANER
(3) | MANIFOLD ABSOLUTE PRESSURE (MAP) SENSOR | (17) | RESONATOR
(4) | ENGINE COOLANT TEMPERATURE (ECT) SENSOR | (18) | EXHAUST GAS RECIRCULATION (EGR) VALVE and POSITION SENSOR
(5) | INTAKE AIR TEMPERATURE (IAT) SENSOR |  |
(6) | CRANKSHAFT POSITION (CKP) SENSOR | (19) | POSITIVE CRANKCASE VENTILATION (PCV) VALVE
(7) | KNOCK SENSOR (KS) | (20) | THREE WAY CATALYTIC CONVERTER
(8) | IDLE AIR CONTROL (IAC) VALVE | (21) | EVAPORATIVE EMISSION (EVAP) CANISTER
(9) | THROTTLE BODY | (22) | EVAPORATIVE EMISSION (EVAP) CANISTER PURGE VALVE
(10) | INJECTOR |  |
(11) | FUEL PULSATION DAMPER | (23) | EVAPORATIVE EMISSION (EVAP) TWO WAY VALVE
(12) | FUEL FILTER