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.
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HOMESERVICE MANUALSCHEVROLET2008HHR LT, 2.4 P, AUTOMATICREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 195 (EVAP SYSTEM)
2008 Chevrolet HHR LT, 2.4 P, Automatic
Section 195 (EVAP System)
2008 Chevrolet HHR LT, 2.4 P, AutomaticSECTION Section 195 (EVAP System)
WARNING: This page is about a different car, the 2011 Honda Insight and 2010 Honda Insight. However, it is still accessible from the selected car via links, so may be relevant.
- Component Location Index
- DTC Troubleshooting
- DTC P0443: EVAP Canister Purge Valve Circuit Malfunction
- DTC P0451: FTP Sensor Circuit Range/Performance Problem
- DTC P0452: FTP Sensor Circuit Low Voltage
- DTC P0453: FTP Sensor Circuit High Voltage
- DTC P0455: EVAP System Large Leak Detected; DTC P0456: EVAP System Very Small Leak Detected
- DTC P0496: EVAP System High Purge Flow Detected
- DTC P0497: EVAP System Low Purge Flow Detected
- DTC P0498: EVAP Canister Vent Shut Valve Circuit Low Voltage
- DTC P0499: EVAP Canister Vent Shut Valve Circuit High Voltage
- DTC P1454: FTP Sensor Range/Performance Problem; DTC P2422: EVAP Canister Vent Shut Valve Stuck Closed Malfunction
- DTC P1458: FTP Sensor Circuit Range/Performance Problem
- DTC P145C: EVAP System Purge Flow Malfunction
- Fuel Cap Warning Message System Troubleshooting
- EVAP Canister Replacement
- FTP Sensor Replacement
- EVAP Canister Vent Shut Valve Replacement
- EVAP Canister Filter Replacement
- EVAP Canister Purge Valve Replacement
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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.