How to fix injector circuit open cylinder 3. How to repair p2152 code cylinder 3 injector high control circuit. This code means the pcm powertrain control module also known as ecm or engine control has detected a problem in the injector or its wiring or in injector circuit for cylinder 3. If youre not sure do not attempt the injector should activate.
Most auto repairs shops charge between 75 and 150 per hour. If the code changes then change the injector. How to repair p0203 code injector circuit malfunction cylinder 3 engine control module ecm checks the injectors circuit resistance and monitors the voltage drop during normal operation.
I feel sure a mechanic would have noticed that. The ecm looks for a specific range of voltage and resistance from each injector circuit and when the results are found to be out of range a diagnostic trouble code dtc will be set. The auto repair labor rates vary widely across the country and even within the same city.
Make sure you have the correct wire. The ecm will trigger the p0203. As best i can remember on the 40l.
This code is a generic trouble code meaning it applies to all vehicles equipped with obd ii or vehicles made in 1996 to present. Faulty fuel injector group 3 fuel injector group 3 harness is open or shorted. The p0203 is a diagnostic trouble code that is set when the engine control module ecm has detected a fault in the injector circuit for cylinder 3.
If you do not have access to a tester swap the injector with another one and see if the code changes. Cylinder 3 injector connectorwiring is prone to contacting the throttle cable mounting bracket and may have caused that problem due to wire chafing.