P03B7

Cylinder 4 Pressure Sensor Circuit Intermittent/Erratic

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
Check Engine light comes on

Causes

Wiring harness damage
Pressure sensor malfunction
Problems with contacts
ECU malfunction

How to Fix

Check the integrity of the wiring harness
Check sensor contacts
Replace pressure sensor if necessary
Check the operation of the computer

Related codes

P03B6 P03B8 P0304