Why does my Honda Accord have a p2646 code?

P2646 HONDA Tech Notes. The most common problem that can set the P2652 code is the engine oil. Before replacing any parts change the engine oil with the factory recommend oil weight. There is a Factory Service Bulletin for the following Honda Models. 2003-2012 Honda Accord L4.

What is the oil pressure switch on a Honda p2646?

P2646 HONDA | Rocker Arm Oil Pressure Switch Circuit Low Voltage | The Variable Valve Timing and Lift Electronic Control (VTEC) system activates the Rocker Arm Oil Control Solenoid (VTEC Solenoid Valve) by command from

What causes the OBD-II trouble code p2646?

P2646 is an OBD-II generic code for the engine control module (ECM) detecting the ‘A’ rocker arm actuator control circuit for bank 1 has a performance problem or is stuck in the off position. What causes the P2646 code? The ECM detects a problem in the rocker arm system for bank 1.

How much does it cost to repair a p2646 Honda?

Cost of diagnosing the P2646 HONDA code Labor: 1.0 The cost of diagnosing the P2646 HONDA code is 1.0 hour of labor. The auto repair labor rates vary widely across the country, and even within the same city. Most auto repairs shops charge between $75 and $150 per hour. P2646 HONDA Possible Symptoms

What is the diagnostic code for Honda Accord?

P2646 is a common diagnostic trouble code that affects Honda made vehicles, including the Accord. This code indicates that there is an issue with rocker arm oil pressure switch.

Why does my Honda Accord have a p0171 code?

P0171 HONDA Tech Notes If the P0171 is combined with the P0174 code, it’s very likely that the problem is caused by an intake leak. If there are no intake leaks, the next step is to replace the air filter and clean the air flow meter. If the problem persists the front oxygen (O2) sensor may need to be replaced.

What does p2646 stand for in OBD2?

P2646 is a diagnostic trouble code that applies to vehicles with OBD2 systems. The definition of this code is ” ‘A’ Rocker Arm Actuator System Performance/ Stuck off Bank 1″.

What does p0171 mean on a Honda Accord?

When these adjustments become too large, code P0171 is triggered. Vacuum leaks – PCV hose, vacuum hoses, intake manifold gasket. It is okay to drive your Honda with P0171 for a short period of time, but driving with this code for an extended period of time can overheat the engine and cause internal engine damage.

What causes Honda engine light to set p2647?

Check for damaged components and look for broken, bent, pushed out, or corroded connector’s pins. P2647 HONDA Tech Notes The most common problem that can set the P2652 code is the engine oil. Before replacing any parts change the engine oil with the factory recommend oil weight. There is a Factory Service Bulletin for the following Honda Models

What does p2652 mean in Honda engine code?

The most common problem that can set the P2652 code is the engine oil. Before replacing any parts change the engine oil with the factory recommend oil weight. The factory bulletin suggestss that replacing the VTEC oil pressure switch (P/N 37250-PNE-G01, H/C 6737217) take care of the problem.

What does the p2647 Honda engine code mean?

Before replacing any parts change the engine oil with the factory recommend oil weight. The factory bulletin suggests that replacing the VTEC oil pressure switch (P/N 37250-PNE-G01, H/C 6737217) take care of the problem. The cost to diagnose the P2647 HONDA code is 1.0 hour of labor.

What kind of error code does Honda Accord have?

This repair also applies to 2002, 2003, 2004, 2005, 2006, and 2007 Honda Accords, as well as other Honda’s using the i-VTEC engine (Honda Element, Honda Civic, Honda CRV), with perhaps some variations depending on the vehicle. This issue can also produce a P2646 error code.

Is there an easy fix for the p2647 error code?

It is a relatively inexpensive method to help clear sludge from your engine and has been known to eliminate the P2647 issue. No signal getting to the VTEC – Vehicle feels ‘gutless’ at high RPM

What causes an OBDII code on a Honda?

P2647 HONDA Possible Causes 1 Check engine oil level, oil condition and pressure 2 Faulty Variable Valve Timing and Lift Electronic Control (VTEC) / Rocker Arm Oil Pressure Switch 3 VTEC/Rocker Arm Oil Pressure Switch harness is open or shorted 4 VTEC/Rocker Arm Oil Pressure Switch circuit poor electrical connection

Why does my Honda Accord have variable valve timing?

It can get dirty and cause P2646. The VTEC system controls the variable valve timing in your Accord. It does this by activating the VTEC/Rocker arm solenoid. It uses the Rocker Arm oil pressure switch to monitor the pressure of this system.

P2646 is a common diagnostic trouble code that affects Honda made vehicles, including the Accord. This code indicates that there is an issue with rocker arm oil pressure switch.

What causes Honda engine light to set p2652?

The most common problem that can set the P2652 code is the engine oil. Before replacing any parts change the engine oil with the factory recommend oil weight. There is a Factory Service Bulletin for the following Honda Models

What is the p2646 code for an engine?

Code P2646 is not a very common code since most vehicles do not have actuators for the rocker arms of the engines they manufacture.

What does trouble code p2646 on OBD mean?

So if you are getting P2646 trouble code on your vehicle’s OBD (On-Board Diagnostics) system while facing a problem in your vehicle, and you don’t know what it means, then don’t worry we are here to give you every possible knowledge about this error code. [For Beginner] What is the OBD system?

What does the trouble code p2647 mean on a car?

What the P2647 code means. This trouble code indicates that the powertrain control module has detected a malfunction in the intake camshaft rocker arm actuator system (A). This code is usually found in vehicles that have variable valve timing.

What is the pressure switch on a Honda p2647?

P2647 HONDA | Rocker Arm Oil Pressure Switch Circuit High Voltage | The VTEC system activates the rocker arm oil control solenoid (VTEC solenoid valve) by command from the engine control module (ECM)/powertrain control

What is the p2647 error code for Honda Accord?

The check-engine-light came on and gave a P2647 error code. This post walks step-by-step through the easy fix. I hope you find this helpful! The vehicle I am working on here is a 2004 Honda Accord (4-cyl).

What does code p2647 on OBD-II mean?

What Does Code P2647 Mean? When an OBD-II equipped vehicle has stored a code P02647, it means that the powertrain control module (PCM) has detected a valve train (rocker arm) malfunction for engine bank one. Bank 1 denotes that the problem has occurred in the bank of the engine which contains the number one cylinder.

How much does it cost to diagnose Honda code p2647?

The cost of diagnosing the P2647 HONDA code is 1.0 hour of labor. The auto repair labor rates vary widely across the country, and even within the same city. Most auto repairs shops charge between $75 and $150 per hour.

What causes check engine light on Honda Element p2646?

It can get dirty and cause P2646. The VTEC system controls the variable valve timing in your Element. It does this by activating the VTEC/Rocker arm solenoid. It uses the Rocker Arm oil pressure switch to monitor the pressure of this system. When the pressure is lower than the solenoid, the check engine light will come on and you’ll get P2646.

What does rocker arm solenoid do on Honda p2646?

The rocker arm actuator is an oil pressure switch which controls the flow of oil to critical upper engine cylinder head components. The Rocker Arm Control Solenoid supplies hydraulic pressure to the Variable Timing mechanism. This allows the VTC System to adjust valve timing as needed.

Why is my Honda Accord p2646 not working?

P2646 appearing by itself does not usually correspond to any noticeable drivability symptoms. You may notice a minor dip in performance and fuel mileage. If the VTC strainer screen is clogged, the engine may die under heavy acceleration. Typical VTEC Switch. See the screen on the right?

What is the p2647 error code for Honda?

As soon as the tachometer touched 2700 rpm, the car bucked and the check engine light (CEL) came on! Luckily I had my trusty engine code reader handy, so I pulled over and read the error code. The error was P2647. A related error is P2646. P2647 – Rocker Arm Actuator Control System Stuck On

P2646 is a diagnostic trouble code that applies to vehicles with OBD2 systems. The definition of this code is ” ‘A’ Rocker Arm Actuator System Performance/ Stuck off Bank 1″.

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