P229A

Fuel Pressure Regulator B Exceeded Control Limits - Pressure Too Low

Severity

⚠️ Medium

Can you drive?

Limited driving only, diagnose soon

Approx. repair cost

$28–89 (est.)

Symptoms

Engine stalls at idle
Poor engine starting
Loss of power when accelerating
Floating engine speed
Increased fuel consumption

Causes

Fuel pressure regulator malfunction
Fuel pump wear
Fuel filter clogged
Leak in the fuel system
Problems with wiring or connectors

How to Fix

Check fuel pressure
Inspect the fuel filter for clogging
Check fuel pressure regulator
Inspect fuel lines for leaks
Check the condition of the fuel pump

Related codes

P2299 P0087 P0089