Check P3438 Fault Code

When you check engine light came on code P3438 the reason should be . However your vehicle's manufacturer may have a different definition for the P3438 OBD-II Diagnostic Powertrain (P) Trouble Code. So you should chech it on our car models.

P3438 DTC specifically refers to the camshaft (cam) timing. In this case, if the cam timing is over-retarded, the engine light will be illluminated and the code will be set.

P3438 Possible Fix :

Detonation, or spark knock, is a type of combustion caused by the buildup of too much heat and pressure in the engine's combustion chamber. When this happens, you should be able to hear a metallic knocking or pinging noise. A small amount of detonation usually won't cause major damage, but heavy knocks or prolonged detonation can cause serious damage to your parts. It can punch holes in your pistons, crush rod bearings, blow head gaskets, crack rings, and pound out piston ring grooves. Prolonged pinging noises are a definite cause for concern.

P3438 OBD-II Diagnostic Powertrain (P) Trouble Code Description P3438 Cylinder 5 Exhaust Valve Control Circuit Performance so you have to check ODB-II Fault Code Check list. Reason For P3438 Code The reason of P3438 OBD-II Fault Code Check is P3438 Cylinder 5 Exhaust Valve Control Circuit Performance.

P3438 Solution:

Excessive air inflow can be caused by a vacuum leak, a dirty sensor or, an exhaust gas recirculation valve not closing properly. If the problem is not enough fuel, the culprit may be dirty injectors or fuel filters, a weak fuel pump or a leaky fuel pressure regulator. The lean fuel mix error may be accompanied by rough idling, engine misfires, hesitation during acceleration and overall poor engine performance.

What does fault code P3438 mean ? What does a diagnostic reading P3438 mean ? How to fix OBD2 Code P3438 ? What do we know about P3438 code ?

How to Clear P3438 Trouble Code

An OBD 2 scanner is the best and safest way to erase a DTC from your car's system. This scanner communicates with the car's computer and instructs the computer to erase the code. It does not change or tweak the settings from inside the car or its systems.