A rocker arm actuator system stuck on bank 1? [Solved] (2022)

What does a rocker arm actuator system stuck on bank 1 mean?

What causes the P2646 code? 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.... read more ›

(Video) P2649 P2647 P2646 ROCKER ARM ACTUATOR SYSTEM STUCK ON BANK 1 FIX
(MODS FOREVER)

How do I fix error code P2646?

What repairs can fix the code?
  1. Repair and replace the wiring apparatus or connector to the actuator.
  2. Use the required oil, clean air and oil filter for suitable viscosity;
  3. Flush the engine passages There shouldn't be any sludge in the engine oil passage.
  4. Install a new “A” rocker arm actuator.
... read more ›

(Video) I Got Code P2646: What Does It Mean? Symptoms, Causes, How To Solve | Honda Accord Civic CRV Element
(EyeOnAiman)

Can you drive with a P2646 code?

Can I Still Drive with a P2646 Code? Since the P2646 code can cause the variable valve timing system in your engine to potentially cease working altogether, driving for prolonged periods is not recommended by qualified technicians.... see more ›

(Video) P2646 Honda Accord Easy Fix
(RFF Garage)

What is a rocker arm actuator system?

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

(Video) Honda P2646 P2647 FIXED engine check code fix I-Vtec 2.4 Odyessy, Accord, Element, CRV
(Dentinvent)

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.... see more ›

(Video) Acura/Honda code p2647 Vtec solenoid rocker arm stuck open bank 1 repair
(Eric Worrell)

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.... see more ›

(Video) VTEC Repair P2647 Or 2646 (Pressure Circuit Voltage High Or Low)
(Jimthecarguy)

Where is the rocker arm actuator located?

3 Signs of a bad Rocker Arm Actuator failing symptoms P2646 ... - YouTube... continue reading ›

(Video) 2005 honda crv acuator rocker arms stuck on bank one
(MR. JU)

What happens when oil pressure switch fails?

Oil pressure switches can develop external leaks (that is, they can leak oil onto the engine) and/or the switch can fail internally such that the switch either fails to warn of low oil pressure or the switch goes off prematurely and illuminates the oil pressure warning light when in fact nothing is wrong.... continue reading ›

(Video) HONDA ERROR CODE P2646 - VTEC 2.4L (EASY FIX AND LESS THAN $5)
(Get It Done with JPW)

What is a rocker arm pressure switch?

The Rocker arm oil pressure switch is used to verify the oil pressure in the Variable Valve Timing mechanism.... read more ›

(Video) Causes and Fixes P2646 Code on a Honda Element
(aztikkel11)

What is a rocker arm control solenoid?

The Rocker Arm Control Solenoid supplies hydraulic pressure to the Variable Timing mechanism. This allows the Variable Timing System to adjust valve timing as needed. When the engine's control module (PCM) does not see the correct voltage signal back from the Rocker Arm Control Solenoid, the PCM will set code P2645.... read more ›

(Video) Honda Civic Oil Leak Fix - Replace VTEC Solenoid aka Rocker Arm Actuator Assembly
(Lehew Tech)

What is a rocker arm oil control solenoid?

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. The VTEC system controls the rocker arm control solenoid through the powertrain control module (PCM).... read more ›

(Video) 2003 Honda Accord p2646 a rocker arm actuator system performance or stuck off bank 1 problems
(Maradiaga’s Auto Sales)

What is VTEC oil pressure switch?

The variable valve timing oil pressure switch is a normally open switch located at the VVT solenoid. When the switch closes, the voltage should drop to zero. This is how the PCM knows if oil pressure was applied to the VTEC system. When this system fails to operate properly the ECM may set a code.... see details ›

A rocker arm actuator system stuck on bank 1? [Solved] (2022)

What does P2647 mean?

Diagnostic trouble code (DTC) P2647 represents “'A' Rocker Arm Actuator System Stuck On.” The code is often found on Honda and Acura vehicles equipped with Variable Valve Timing & Lift Electronic Control (VTEC). Engines with VTEC use a rocker arm actuator system to vary engine valve lift.... continue reading ›

How do I fix error code P2649?

What repairs can fix the P2649 code?
  1. Replacing the 'A' rocker arm actuator.
  2. Repairing the wiring harness or connector to the actuator.
  3. Following the manufacture pinpoint test to isolate faults in the system.
... see more ›

What does P2645 mean?

The trouble code P2645 can be elucidated as A Rocker Arm Actuator Control Circuit/Open Bank 1. If this error code would start appearing, then it would mean that there is an open circuit or a short which has been detected in the rocker arm actuator control circuit for the exhaust A camshaft in engine bank 1.... see details ›

Where is the rocker arm actuator located?

3 Signs of a bad Rocker Arm Actuator failing symptoms P2646 ... - YouTube... read more ›

What does P2647 mean?

Diagnostic trouble code (DTC) P2647 represents “'A' Rocker Arm Actuator System Stuck On.” The code is often found on Honda and Acura vehicles equipped with Variable Valve Timing & Lift Electronic Control (VTEC). Engines with VTEC use a rocker arm actuator system to vary engine valve lift.... see details ›

How do I fix error code P2649?

What repairs can fix the P2649 code?
  1. Replacing the 'A' rocker arm actuator.
  2. Repairing the wiring harness or connector to the actuator.
  3. Following the manufacture pinpoint test to isolate faults in the system.
... see details ›

What does P2645 mean?

The trouble code P2645 can be elucidated as A Rocker Arm Actuator Control Circuit/Open Bank 1. If this error code would start appearing, then it would mean that there is an open circuit or a short which has been detected in the rocker arm actuator control circuit for the exhaust A camshaft in engine bank 1.... continue reading ›

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