P2BB0

Alternative Fuel Consumption Too Low

Severity

⚠️ Medium

Can you drive?

Yes, but get it checked soon

Approx. repair cost

$17–89 (est.)

Symptoms

Switching to the main type of fuel (gasoline)
Reduced engine power
Unstable operation on alternative fuels
Increased main fuel consumption
Check Engine Light Illuminates

Causes

Dirty or clogged alternative fuel injectors
Alternate fuel flow sensor malfunction
Alternate Fuel Pump Problems
Leaks in the alternative fuel supply system
Software error in the ECU

How to Fix

Check the system for alternative fuel leaks
Clean or replace fuel injectors for alternative fuels
Check the operation of the alternative fuel fuel pump
Test alternative fuel flow sensors
Update ECU firmware (if necessary)

Related codes

P2BAF P2BB1 P2BB2