Engine Controls Component Views. Buick Riviera 1999

For 1990-2009 cars only

Makes 🢒 Buick 🢒 1999 🢒 Riviera 🢒 Body and Accessories 🢒 Lighting Systems 🢒 Engine Controls Component Views

Figure 1:

VIN 1 Front


(1)	MAF Sensor
(2)	IAC Valve
(3)	TP Sensor
(4)	ECT Sensor
(5)	Boost Control Solenoid
(6)	Fuel Injector
(7)	Fuel Pressure Test Connector
(8)	Fuel Injector Harness Connector
(9)	Oil Level Switch/Sensor
(10)	18X Crankshaft Sensor
(11)	Camshaft Sensor (Behind Water Pump Pulley)
(12)	Ignition Control Module and Coils
(13)	Fuel Pressure Regulator
(14)	Boost Control Actuator

Figure 2:

VIN 1 Rear


(1)	PCV Valve
(2)	MAP Sensor
(3)	HO2S1
(4)	Oil Pressure Switch/Sensor

Figure 3:

Throttle Position (TP) Sensor Idle Air Control (IAC) Valve Mass Air Flow (MAF) Sensor


(1)	Mass Air Flow Sensor
(2)	Idle Air Control Valve
(3)	Throttle Position Sensor
(4)	Boost Control Solenoid
(5)	Bypass Valve Actuator

Figure 4:

VIN 1 TP Sensor, ECT Sensor


(1)	TP Sensor
(2)	ECT Sensor

Figure 5:

Boost Control Solenoid, Ignition Coils, and Bypass Valve Actuator


(1)	Boost Control Solenoid
(2)	Ignition Coils
(4)	Bypass Valve Actuator

Figure 6:

VIN 1 Cam Sensor


(1)	Cam Sensor

Figure 7:

MAP Sensor, EGR Valve, and PCV Valve


(1)	MAP Sensor
(2)	EGR Valve
(3)	PCV Valve (Hidden)
(4)	PCV Valve Cover

Figure 8:

VIN 1 EVAP Canister Purge Valve, MAP Sensor, EGR Valve, PCV Valve


(1)	EVAP Canister Purge Valve
(2)	MAP Sensor
(3)	EGR Valve
(4)	PCV Valve (Hidden)

Figure 9:

VIN 1 Fuel Injector Connector, Heated Oxygen Sensor 1 (HO2S1), EGR Valve


(1)	Fuel Injector Connectors
(2)	Heated Oxygen Sensor 1 (HO2S1)
(3)	EGR Valve

Figure 10:

VIN 1 Cam Sensor, Oil Pressure Sensor, VSS Sensor


(1)	Cam Sensor
(2)	Oil Pressure Switch/Sensor
(3)	VSS Sensor

Figure 11:

EVAP Vent Valve


(1)	Retainer
(2)	Fresh Air Line
(3)	Bolt
(4)	Evap Vent Valve Solenoid
(5)	Evap Vent Valve Electrical Connector

Figure 12:

Knock Sensor 1


(1)	Knock Sensor 1
(2)	Knock Sensor 1 Electrical Connector

Figure 13:

Knock Sensor 2


(1)	Knock Sensor 2 Heat Shield
(2)	Knock Sensor 2 Heat Shield Bolts
(3)	Knock Sensor 2 Electrical Connector
(4)	Knock Sensor 2

Figure 14:

HO2S 1


(1)	HO2S 1 Bracket
(2)	HO2S 1
(3)	Electrical Harness
(4)	HO2S 1 Electrical Connector

Figure 15:

HO2S 2


(1)	Electrical Connector
(2)	HO2S 2 Heat Shield
(3)	HO2S 2
(4)	HO2S 2 Electrical Connector

Figure 16:

Powertrain Control Module (PCM)


(1)	Powertrain Control Module (PCM) Electrical Connectors
(2)	PCM
(3)	Bracket

Figure 17:

IAT Sensor


(1)	Air Cleaner Assembly
(2)	IAT Sensor
(3)	Intake Air Duct

Figure 18:

Fuel Tank Pressure Sensor


(1)	Fuel Sender Access Panel
(2)	Modular Fuel Sender Assembly
(3)	Fuel Tank Pressure Sensor