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— at your home or office, on your schedule
Can drive — fix at your convenience.
This code is set when the computer sees an implausible or unstable reading from the fuel level sensor, which it also uses to monitor the EVAP system. It's commonly caused by a faulty fuel level sensor in the tank, wiring or connector problems, or a stuck float. The repair usually involves replacing the fuel level sensor or sending unit, or fixing the related wiring.
$150 – $500
Varies by vehicle and root cause.
Usually yes. It doesn't affect engine performance, but your fuel gauge may be unreliable, so track your mileage so you don't run out of gas. Get it diagnosed within a week or two.
Most repairs land between $150 and $500. A wiring fix is cheaper, but replacing the in-tank fuel level sensor or sending unit takes more labor and pushes the cost higher.
It's low severity. The biggest practical problem is an inaccurate fuel gauge, which can leave you stranded if you run out of fuel. The engine itself isn't at risk.
This code often comes from a faulty fuel level sensor, the same part that drives your gauge. When that sensor reads wrong, the gauge becomes unreliable and the computer flags the fault.