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.
Component Locations (2.2L VIN 4 - Cavalier - CNG)
2002 Chevrolet Impala LSSECTION Component Locations (2.2L VIN 4 - Cavalier - CNG)
NOTE:
Component locations for 2.2L VIN 4 - CAVALIER - CNG vehicles apply to CNG components only. For gasoline components, see COMPONENT LOCATIONS (2.2L VIN 4 & 2.4L VIN T - CAVALIER & SUNFIRE - GASOLINE) table.
COMPONENT LOCATIONS (2.2L VIN 4 - CAVALIER - CNG)
| Component | Location |
|---|---|
| AF Fuel Pump Relay | Below Left Headlight |
| Alternate Fuel Engine Control Unit | Behind Left Front Fascia, Below Headlight |
| CNG Fuse | Underhood Fuse Block |
| Fuel Gauge Relay | Below Left Headlight |
| Fuel Gauge Selector Switch | Left Of Steering Column On Instrument Panel |
| Fuel Pressure Sensor | Left Side Of Trunk On HPL |
| Fuel Temperature Sensor | Left Side Of Trunk Part Of HPL |
| Gas Mass Sensor/Mixture Control Valve | Top Center Of Engine |
| High Pressure Lock-Off Solenoid | Left Side Of Trunk |
| Ignition Relay | Below Left Headlight |
| Lock-Off Relay | Below Left Headlight |
| Low Pressure Lock-Off Solenoid | Top Right Of Engine |
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.