2.1a. The location of the elements of the toxicity reduction system on the 3.1 l engine: 1 - air filter housing, 2 - throttle position sensor (TPS), 3 - distributor, 4 - warm air intake, 5 - valve of the forced crankcase ventilation system (PCV), 6 - idle air flow valve (AIC) 7 - air flow sensor (IDA), 8 - valve of the electronic vacuum regulator of the exhaust gas recirculation system (EGR), 9 - VECI plate
2.1b. The location of the elements of the toxicity reduction system on the 3.8 liter engine: 1 - direct ignition system (DIS), 2 - valve and housing of the forced crankcase ventilation system (PCV), 3 - intake air mixing chamber, 4 - air flow sensor, 5 - idle air flow valve (AIC), 6 - throttle position sensor (TPS), 7 - air filter housing