P03D8

Cylinder 7 Pressure Variation Low

Severity

⚠️ Medium

Can you drive?

Limited driving only, diagnose soon

Approx. repair cost

$56–167 (est.)

Symptoms

Misfire in cylinder 7
Reduced engine power
Increased fuel consumption
Unstable idle
Engine troubles

Causes

Fuel injector malfunction
Problems with the ignition system (plugs, coil)
Low cylinder compression
Malfunction of the cylinder pressure sensor
Valve contamination or damage
Problems with the VVT system

How to Fix

Check compression in cylinder 7
Inspect the spark plugs and coil
Check the operation of the fuel injector
Diagnose the cylinder pressure sensor
Check VVT system and timing chain
If necessary, replace faulty components

Related codes

P0307 P0172 P0175 P0300