P03A7

Cylinder 2 Pressure Variation High

Severity

⚠️ Medium

Can you drive?

Limited driving only, diagnose soon

Approx. repair cost

$56–167 (est.)

Symptoms

Unstable engine operation
Power reduction
Increased fuel consumption
Engine troubles
Check Engine light comes on

Causes

Spark plug fault
Problems with the ignition coil
Dirty or faulty injector
Low cylinder compression
Problems with the cylinder pressure sensor
Fuel pump malfunction

How to Fix

Check spark plugs and replace if necessary
Diagnose the ignition coil
Check injectors for contamination or malfunction
Measure the compression in the cylinder
Check cylinder pressure sensor
Diagnose the fuel pump

Related codes

P0302 P0172 P0175 P0300