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Fuel and air

P0093 Large leak in the fuel system

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P0093 means: Large leak in the fuel system. The engine computer believes there is a large leak in the fuel system. Don't drive until the car has been checked. The engine could be damaged. The repair usually costs about €80–800 in Estonia. The most common cause: fuel line or connection is leaking.

Is it safe to drive?Don't driveDon't drive until the car has been checked. The engine could be damaged.
Typical repair cost€80–800parts and labour in Estonia

What it means

The engine computer believes there is a large leak in the fuel system. Pressure won't hold.

What could be wrong

  1. 1Fuel line or connection is leaking
  2. 2Leaking injector
  3. 3Pressure sensor reads wrong

What you can check yourself

Park the car and check for dripping fuel or a fuel smell. Don't drive with a fuel leak, it is a fire risk. Best left to a workshop. It needs a diagnostic tool and experience.

How we fix it

  1. We find the leak
  2. We replace the leaking line, seal or injector
  3. We check the pressure sensor

Standard SAE description: Fuel System Leak Detected - Large Leak

Want a definite answer?

Bring the car to our workshop in Estonia for diagnostics. We read the fault codes, test the sensors and tell you what is wrong. Repair price depends on the work involved, generally €45 per hour.

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Questions

What does fault code P0093 mean?

Large leak in the fuel system. The engine computer believes there is a large leak in the fuel system. Pressure won't hold.

Can I drive with code P0093?

Don't drive until the car has been checked. The engine could be damaged.

How much does it cost to fix P0093?

Roughly €80–800 in Estonia. The price depends on exactly what has failed and on the car.

How is P0093 fixed?

We find the leak. We replace the leaking line, seal or injector. We check the pressure sensor.

Related codes

P0068Air flow doesn't match the accelerator positionP0087Fuel pressure too lowP0088Fuel pressure too highP0089Fuel pressure regulator can't hold pressure steadyP0101Mass air flow sensor reads wrongP0191Fuel pressure sensor reads wrongP0230Fault in the fuel pump power supplyP0627Fault in fuel pump control

Based on AI combined with our hands-on workshop experience and knowledge. This information is general and prices are approximate (Estonian workshop rates). The same code can mean different things on different cars. Only an inspection of the car gives a definite answer.

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