P02B7

Cylinder 8 - Fuel Trim at Min Limit

Severity

⚠️ Medium

Can you drive?

Limited driving only, diagnose soon

Approx. repair cost

$56–167 (est.)

Symptoms

Unstable engine operation
Power Loss
Increased fuel consumption
Misfire in cylinder 8

Causes

Air leak in intake manifold
Malfunction of the fuel injector of cylinder 8
Dirty or faulty oxygen sensor
Problems with the fuel pump
Malfunction of the mass air flow sensor (MAF)

How to Fix

Check the tightness of the intake tract
Diagnose the fuel injector of cylinder 8
Check the operation of oxygen sensors
Test the fuel pump
Check the MAF readings

Related codes

P0171 P0172 P0308