Injectors

P2693 Injector: readings don't match (cylinder 8)

By: Diagno editorial team · Updated: 2026-10-15

P2693 means: Injector: readings don't match (cylinder 8). The injector sprays fuel into the cylinder. Drive gently and have the car checked soon. The repair usually costs about €80–700 in Estonia. The most common cause: injector connector loose or corroded. Other possible causes: broken injector wire, faulty or clogged injector.

Is it safe to drive?Get it checked soonDrive gently and have the car checked soon.

Typical repair cost€80–700parts and labour in Estonia

What it means

The injector sprays fuel into the cylinder. The computer found a fault in the injector control or its fuel quantity.

What you may notice

Engine light on
The engine runs unevenly
Less power
Higher fuel consumption

What could be wrong

1Injector connector loose or corroded
2Broken injector wire
3Faulty or clogged injector
4Engine computer driver circuit

Repair difficulty: Moderate

What you can check yourself

Check the injector connectors. If the engine runs badly on one cylinder, don't drive far. Best left to a workshop. It needs a diagnostic tool and experience.

How we fix it

We measure the injector resistance and its circuit
We repair the wire or connector
We replace or code the injector

Standard SAE description: Cylinder 8 Injector Data Incompatible

This code usually comes with: Check engine lightSee what the light means →

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.

Book a diagnostic check

Questions

What does fault code P2693 mean?

Injector: readings don't match (cylinder 8). The injector sprays fuel into the cylinder. The computer found a fault in the injector control or its fuel quantity.

Can I drive with code P2693?

Drive gently and have the car checked soon.

How much does it cost to fix P2693?

Roughly €80–700 in Estonia. The price depends on exactly what has failed and on the car.

How is P2693 fixed?

We measure the injector resistance and its circuit. We repair the wire or connector. We replace or code the injector.

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.