Chevrolet Cobalt owners have reported 1,208 other fuel system related problems since 1996. Table 1 shows the 8 most common other fuel system problems. The number one most common problem is related to the vehicle's other fuel system (635 problems). The second most common problem is related to the vehicle's other fuel system pump (376 problems). For details of each of the problem category, use the links in the table.
I observed my mother’s 2007 chevy Cobalt was leaking fuel near the rear tire by the fuel tank. I inspected the tank with engine off and it does not leak. Only with engine running. I lowered the tank and observed a small crack on the plastic return line on the fuel pump module. Read details...
Had to change my fuel pump due to a crack on it. My key gets stuck in the ignition switch in order to take it out I have to push a button under the steering wheel. I to change my steering shaft because it does a clacking noise. Read details...
While at a stop I smell fuel really strong and only when there is pressure it leaks on top of gas tank where the return line cracked running down the back of the tank and onto the exhaust I see there is a recall for many other Cobalt's but not my VIN with this same issue! I am very disappointed Read details...
Gasoline leaking from the fuel tank ports where inlet and or outlet hoses are connected. The leak originates from the tank connection, not from any specific hose. It amounts to a gravity leak of fuel from the tank when it is full or nearly so. Read details...
Keep smelling fuel vapors on the rear left side of the vehicle. Checked the fuel filter and it seems to be working despite my gas mileage getting worse and worse. I've been burning a full tank of gas going less than 250 miles when I should get near 400 miles a tank. Read details...