Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
Engine Controls Components
2004 Oldsmobile Bravada AWDSECTION Engine Controls Components
WARNING: This page is about a different car, the 2004 GMC Sierra and 2004 Chevrolet Silverado. However, it is still accessible from the selected car via links, so may be relevant.
Engine Controls Components
| Name | Location | Locator View | Connector End View |
|---|---|---|---|
| AF Fuel Mode Relay | AF Relay Block Left-Underhood | Engine Controls Component Views | Engine Controls Connector End Views |
| AF Lock-off Relay | Left side of engine compartment attached to fuse block-underhood | Engine Controls Component Views | Engine Controls Connector End Views |
| AFS/Ign 0 Fuse | In fuse block-left I/P | Engine Controls Component Views | - |
| AFS/PCM1 Fuse | In fuse block-underhood | Engine Controls Component Views | - |
| AFS/4WS Fuse | In fuse block-underhood | Engine Controls Component Views | - |
| Fuel Gage Selector Switch | Right side of I/P below radio | Engine Controls Component Views | Engine Controls Connector End Views |
| Fuel Injector Control Module (FICM) | Right side of engine compartment below the air filter assembly | Engine Controls Component Views | Fuel Injection Control Module Connector End Views |
| Fuel Rail Pressure (FRP) Sensor | Center of CNG fuel rail-Left | Engine Controls Component Views | Engine Controls Connector End Views |
| Fuel Rail Temperature (FRT) Sensor | Center of CNG fuel rail-Right | Engine Controls Component Views | Engine Controls Connector End Views |
| Fuel Tank Pressure (FTP) Sensor | Threaded into HPL | Engine Controls Component Views | Engine Controls Connector End Views |
| Fuel Tank Temperature (FTT) Sensor | Non-serviceable part of HPL | Engine Controls Component Views | Engine Controls Connector End Views |
| High Pressure Lock-off (HPL) | Threaded into CNG tank end | Engine Controls Component Views | Engine Controls Connector End Views |
| High Pressure Regulator (HPR) | Attached to CNG fuel tank lower support bracket | Engine Controls Component Views | - |
| Injector Power Relay-Even Bank | AF Relay Block Right-underhood (KL6) Attached to left fender to cowl support brace (KL8) |
Engine Controls Component Views | Engine Controls Connector End Views |
| Injector Power Relay-Odd Bank | AF Relay Block Left-underhood (KL6) Attached to left fender to cowl support brace (KL8) |
Engine Controls Component Views | Engine Controls Connector End Views |
| Injector Relays #1,3,5,7 | AF Relay Block Left-underhood | Engine Controls Component Views | Engine Controls Connector End Views |
| Injector Relays #2, 4, 6, 8 | AF Relay Block Right-underhood | Engine Controls Component Views | Engine Controls Connector End Views |
| Inline AF Fuses | Left side of engine compartment attached to rear of fuse block-underhood cover | - | - |
| Intermediate Pressure Regulator (IPR) | Left side of engine above valve rocker cover | Engine Controls Component Views | - |
| Low Pressure Lock-off (LPL) | Left side of engine above valve rocker cover | Engine Controls Component Views | Engine Controls Connector End Views |
| C001 | Right side of engine compartment below the air filter assembly at FICM | Engine Controls Component Views | Fuel Injection Control Module Connector End Views |
| C002 | Left side of engine compartment near fuse block-underhood FICM harness breakout | Engine Controls Component Views | Engine Controls Connector End Views |
| C003 | Left side of engine compartment near fuse block-underhood FICM harness breakout | Engine Controls Component Views | Engine Controls Connector End Views |
| C004 | Left side of engine compartment near fuse block-underhood FICM harness breakout | Engine Controls Component Views | Engine Controls Connector End Views |
| C005 | Left side of engine compartment near fuse block-underhood engine harness breakout (KL6) | Engine Controls Component Views | Engine Controls Connector End Views |
| C006 | Left side of engine compartment attached to IPR/LPL mounting bracket | Engine Controls Component Views | Engine Controls Connector End Views |
| C007 | Right rear side of engine near transmission dipstick tube | - | Engine Controls Connector End Views |
| C008 | Left side of engine compartment near fuse block-underhood FICM harness breakout | Engine Controls Component Views | Engine Controls Connector End Views |
| C009 | Behind truck cab attached to left front pickup box support frame | - | Engine Controls Connector End Views |
| C010 | Left side of engine compartment near throttle actuator motor (TAC) module harness breakout | - | Engine Controls Connector End Views |
RENDER: 1.0x
NO RELATED
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.