P2552

Throttle/Fuel Inhibit A Circuit

Severity

🔴 High

Can you drive?

Do not drive — repair immediately

Approx. repair cost

$17–56 (est.)

Symptoms

Reduced engine power
The engine stalls
Check Engine light comes on
Problems starting the engine
Engine emergency operation mode

Causes

Open or short circuit in the circuit
Fuel brake sensor malfunction
Wiring Harness Problems
Engine control unit malfunction
Contact corrosion

How to Fix

Check the integrity of the fuel brake circuit
Check the condition of the sensor and its connection
Inspect the wiring harness for damage
Check contacts for corrosion
Scan the control unit for other errors

Related codes

P2550 P2551 P2553