P16D0 GMC code

a P16D0 code is an oil leak DTC. Advice is to inspect oil galley plugs in cylinder head. P0010 and P0011 are the codes in relationship to the VVT solenoids. Its recomended to change these solenoids in pairs AND change the oil once both have been replaced.

What is a rocker arm oil control valve?

In vehicles equipped with VTEC, the rocker arm control solenoid supplies hydraulic pressure to the variable timing and lift mechanism. This allows the VTEC system to adjust valve timing and lift as needed.

What is code P16CF?

Description : P16CF CHEVROLET Intake Rocker Arm Solenoid Valve 2 Control Circuit. Possible causes : – Faulty Intake Rocker Arm Solenoid Valve 2. – Intake Rocker Arm Solenoid Valve 2 harness is open or shorted. – Intake Rocker Arm Solenoid Valve 2 circuit poor electrical connection.

How much does it cost to fix a rocker arm actuator?

Because rocker arm repair is tedious work, it can be time intensive so hiring an auto mechanic or dealership to do the job is not cheap. Expect to pay anywhere from $500 to $1,500 (parts + labor) depending on the vehicle. A good chunk of the expense is for labor as it can take a long time to access the necessary parts.

What causes rocker arm failure?

One of the major causes of component failure is faulty manufacturing. This includes all effects that increase brittleness or those inducing cracks and or stress raisers in the component. Improper heat treatment has been considered as major causes of many failures in the literature.

What happens when VVT solenoid goes bad?

A malfunctioning VVT solenoid can prevent the valve timing from advancing or retarding as needed. As a result, the engine may exhibit performance problems, such as rough running and poor acceleration.

What is rocker arm actuator?

The rocker arm actuator is an oil pressure switch which controls the flow of oil to critical upper engine cylinder head components.

What is a rocker arm actuator system stuck on bank 1?

The ECM detects a problem in the rocker arm system for bank 1. The oil passages are clogged or the oil pressure is not up to specifications. The rocker arm actuator is clogged with sludge or is sticking intermittently. The engine may have excessive sludge binding the rockers from moving or the oil is too thick.

What do rockers do in an engine?

The rocker arm is the part responsible for transmitting the movement of the camshaft towards the intake and exhaust valves of the engine, a process that occurs through the direct contact of these parts with the tappets and according to the movement of the shaft.