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 MANUALSCHEVROLET2006COBALT SS, 4D SEDAN, STANDARDREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 698 (ENGINE CONTROL SYSTEM & FUEL SYSTEM - 2.4L - TROUBLESHOOTING & DIAGNOSIS)FUEL TANK LEAK TESTSYSTEM TESTING
2006 Chevrolet Cobalt SS, 4D Sedan, Standard
System Testing
2006 Chevrolet Cobalt SS, 4D Sedan, StandardSECTION System Testing
WARNING: This page is about a different car, the 2008 Pontiac G5 and 2008 Chevrolet Cobalt. However, it is still accessible from the selected car via links, so may be relevant.
- Turn OFF the ignition. Install the J 41413-200 and the GE-41415-50 . Test for a fuel leak while the system is under pressure referring to the J 41413-210 Operation Manual.
- Using the J 41413-200
and the J 41413-210 Operation Manual, introduce smoke into the evaporative emission (EVAP) system. Inspect for leaks in any of the following locations:
- The fuel tank, the fill limiter vent valve, the pressure relief valve, and the grade vent valves
- The fuel pump module housing, the fuel pump module seal, the fuel pipe, and the EVAP pipes
- The fuel tank pressure (FTP) sensor seal
- The fuel fill pipe and hose
IMPORTANT:
If the floating indicator registers any flow after stabilizing, a leak is evident.
IMPORTANT:
It may be necessary to partially lower the fuel tank.
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.