For 1990-2009 cars

Figure 1: |

#### Engine Compartment

(1) | Air Cleaner
(2) | Intake Air Temperature (IAT) Sensor
(3) | Throttle Body (Main Throttle Idle Actuator)
(4) | Ignition Coil Module
(5) | Fuel Injector 1
(6) | Fuel Rail
(7) | Fuel Injector 2
(8) | Fuel Injector 3
(9) | Fuel Injector 4
(10) | Manifold Absolute Pressure (MAP) Sensor

Figure 2: |

#### Oxygen Sensors (O2S)

(1) | Heated Oxygen Sensor (HO2S) 1
(2) | Oxygen Sensor (O2S)
(3) | Heated Oxygen Sensor (HO2S) 2

Figure 3: |

#### Exhaust Gas Recirculation (EGR) and EVAP

(1) | Knock Sensor (KS)
(2) | Exhaust Gas Recirculation (EGR) Valve
(3) | A/C Refrigerant Pressure Sensor
(4) | Evaporative Emissions (EVAP) Canister Purge Solenoid Valve

Figure 4: |

#### Engine Data Sensors

(1) | Engine Control Module (ECM)
(2) | Battery
(3) | Camshaft Position (CMP) Sensor
(4) | Crankshaft Position (CKP) Sensor
(5) | Engine Coolant Temperature (ECT) Sensor

Figure 5: |

#### Fuel Tank

(1) | Fuel Pump/Sender
(2) | Fuel Filter
(3) | Fuel Tank