P0313 OBD-II Trouble Code: Misfire Detected with Low Fuel Level

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Cost of diagnosing the P0313 code

P0313 is a diagnostic trouble code (DTC) for "Misfire Detected with Low Fuel Level". This can happen for multiple reasons and a mechanic needs to diagnose the specific cause for this code to be triggered in your situation. Our certified mobile mechanics can come to your home or office to perform the Check Engine Light diagnostic. Once we are able to diagnose the problem, you will be provided with an upfront quote for the recommended fix and receive $20.00 off as a credit towards the repair. All our repairs are backed by our 12-month / 12,000-mile warranty.

Cars Estimate Credit towards follow-up repair Earliest Availability
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Toyota$20.00
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P0212 code definition

The code P0212 identifies a misfire code with low fuel level in the fuel tank. The code is often associated with diagnostic codes P0200, P0201, P0202, P0202, P0204, P0205, and P0206.

What the P0212 code means

P0212 is a generic OBD-II trouble code that is displayed in the powertrain control module (PCM). The code is an indication that the PCM has detected a misfire in one or more of the engine’s cylinders along with a low fuel reading in the fuel tank. The code is set in the PCM only after the engine has completed a minimum of six revolutions after starting, a misfire is detected, and the fuel level is down to the reserve portion of the fuel tank.

What causes the P0212 code?

  • The fuel tank is low on fuel, and the fuel pump isn’t delivering enough fuel to run efficiently.
  • One or more ignition coils are faulty, preventing ignition in their respective cylinders.
  • Spark plugs are fouled and create little to no spark in their cylinder.
  • An ignition cable has a cracked or rubbed insulator, generating weak spark or no spark to its spark plug.
  • A fuel injector is failing or plugged so too much or too little fuel is injected into the cylinder.
  • The engine control module is internally faulty.

Regardless of the cause of DTC P0212, the fuel level will be very low at the time the code is set.

What are the symptoms of the P0212 code?

When DTC P0212 is set in the ECM, the Check Engine light will be illuminated. It will remain on until the vehicle has passed at least three self-test cycles. Along with the Check Engine light, the engine may run rough when P0212 is present. Depending on the cause of the code, one or more cylinders may be running lean or misfiring, and there is potential for the engine to stall. Most commonly, the code illuminates because the fuel level is extremely low and the car is running out of fuel.

How does a mechanic diagnose the P0212 code?

DTC P0212 is diagnosed using an OBD-II scan tool. If the trouble code is stored or inactive, the mechanic may be able to clear the code. Once cleared, the vehicle should be road tested to verify the condition is gone, then codes checked again to ensure it isn’t once again pending or set.

If the code returns or there is a noticeable misfire, the first step is to fill the fuel tank. If the code is related to a low fuel level, this simple action can clear up the concern.

With a fuel tank filled above the minimum level, a mechanic will continue to diagnose the concern by checking connections to the affected cylinder. Typically, a misfire for a specific cylinder will be present as well. The mechanic can check that the ignition coil connector, fuel injector connector, and ignition cables are fully seated and locking tabs engaged where applicable. Wiring should be checked for corrosion and breaks as well as shorts to ground. If the condition is still present, the mechanic may begin to swap components on the system with another cylinder to determine which one is faulty. If the DTC follows a component to a different cylinder, they will know which part to replace.

Common mistakes when diagnosing the P0212 code

The most common mistake when diagnosing P0212 is neglecting to fill the fuel tank first. In many instances, the cause is because of poor fuel flow to the engine because of low fuel level. Otherwise, misdiagnosis can occur if parts are replaced before a thorough diagnosis is performed.

How serious is the P0212 code?

DTC P0212 can be a serious concern particularly if the engine is about to run out of fuel. You can be left stranded and require assistance or a tow to get to help. When the DTC is set for other reasons, it’s often less serious. A misfire can cause poor fuel consumption, higher emissions, and a rough-running engine, though usually it will continue to operate reliably.

What repairs can fix the P0212 code?

The common repairs for DTC P0212 are as such:

  • Refuel the fuel tank. If the concern is due to low fuel level, symptoms will then disappear, then the DTC will simply need to be cleared.
  • Replace an ignition coil or ignition cables. Once the particular component has been isolated, it can be replaced with a new one.
  • Clean the fuel injectors. If the code is due to poor fuel injection, cleaning the injectors can clear up the condition. If they're broken, you can replace them.
  • Replace the spark plugs. In some cases, fouled spark plugs in cold weather or worn spark plug electrodes can cause a misfire code.

Additional comments for consideration regarding the P0212 code

DTC P0212 is most commonly found on luxury vehicles such as BMW. On many other types of vehicles, you can run out of fuel without a Check Engine light illuminating or a misfire code setting in the PCM. On BMW vehicles, DTC P0212 can be likened to an early warning that you’re about to run out of fuel.

Need help with a P0212 code?

YourMechanic offers certified mobile mechanics who will come to your home or office to diagnose and repair your vehicle. Get a quote and book an appointment online or speak to a service advisor at 1-800-701-6220.

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