Check Engine Light Documented: Rocker Arm Oil Pressure Switch

Hesitation and the car stalled once on my way to class last night. Remove the rocker arm oil control valve (see page 11-275). Even though the light went out, they should still be able to see it had the error when they hook it up to the computer... so, they should have known what the issue was and by clearing the codes that was an attempt to repair. Comes on when transitioning past 3000 rpm. Connect the oil pressure switch connector. Can I Still Drive with a P2646 Code? They said it was just a defective part. Check the oil and be sure it is not low and is not old and dirty. First, check the oil and be sure it is not low or dirty and needs an oil change. When it comes to your Honda Pilot, you want parts and products from only trusted brands. What Is the P2646 Code? '07 model J35A6, J35A7 engines: Apply liquid gasket to the new oil pressure switch threads, then install the oil pressure switch.

1. Rear rocker arm oil pressure switch
2. Rocker arm oil pressure switch
3. Rocker arm oil pressure switch circuit high voltage
4. Rocker arm oil pressure switch location
5. Rocker arm oil pressure switch to english
6. Rocker arm oil pressure switch to our mobile site
7. Rocker arm oil pressure switch do

Rear Rocker Arm Oil Pressure Switch

Using a funnel fill the oil pan to full, but make sure to not overfill. Before You do this however make sure You don't simply need an oil change. The Engine control module (ECM) has a wide variety of jobs, but one of the most critical is to keep the supply of oil within mechanically safe ranges. Pulling into the parking lot it again gets very loud again and I shut it off. A few days ago it came back on and it stayed. Include all vehicle information and photos. The VTEC system controls the rocker arm control system through the ECM. Oil certainly has some sparkle to it, nothing over the top but its there for sure. It indicates that there is an issue with rocker arm oil pressure switch. Find the oil pan in the engine compartment and locate the drain plug on the underside. Hi, new to forum and really appreciate all the tech folks that help out here.

Rocker Arm Oil Pressure Switch

The car had been driving along nicely up until this getting around 37mpg at 75mph. Started a week or so ago. My 05 LS6 CTS-V, stock aside from magnaflow catback, 90k miles. Make sure that it doesn't look milky. Doubtful, but they are sure to tell you that it was caused from the "Non" Honda filter. The Rocker arm oil pressure switch verifies the correct oil pressure in the Variable Valve Timing (VVT) mechanism, and is often referred to as the VTEC (Variable Valve Timing & Lift Electronic Control) switch. How was your oil levels, this code can be tripped by low oil levels/pressure. 0 bottom end, or whatever comes to mind. Can any of you VCM Muzzler fans advise whether investing in it would help prevent such issues in the future? What's a drive reel problem I wonder. VSA/Hill assist lights went away later that day, only change was clearing the dtcs with an obd2 but the issue still immediately persisted and went away when I drove it a few hours later. Last edited by Krimson_Cardnal; 06-27-2010 at 09:28 PM.

Rocker Arm Oil Pressure Switch Circuit High Voltage

This allows the VTEC system to adjust valve timing and lift as needed, and the ECM uses the rocker arm oil pressure switch to monitor and verify the oil pressure. I ended up having 5 different repairs made and they never repaired it... needless to say, the Fit is still sitting in my driveway waiting on VA courts to hear the case. And, they aren't that expensive. What Are Some Causes of a P2646 Code? Oddly enough it's taken my car about an hour for limp mode to kick in, and if you turn it off and on it goes away for about an hour. A P2646 code is an OBD code for the Engine Control Module (ECM) detecting that the "A" rocker arm actuator control circuit for bank 1 has a performance issue or is stuck in the off position. In addition, this error code could cause severe problems for other engine internals and cause fuel consumption to increase. They call "good will" Let me see if I can figure out how to attach the article from the factory service news. This means that a wiring issue very well could be at fault. I have the same problem except that my Sports feature is out as well. This can also lead to increased fuel consumption and engine performance issues.

Rocker Arm Oil Pressure Switch Location

Anybody got any ideas. Quote=mattpuchlerz;267180]I was on the way back from a trip when my check engine light (CEL) came on. I was able to make it to my destination an hour later, and took the car to a dealer the next morning. Of course, when I went to the dealer, the light shut off, but they were able to find the code in the memory. P2652 is a diagnostic trouble code (DTC) for "B Rocker Arm Actuator System Stuck On Bank1".

Rocker Arm Oil Pressure Switch To English

Then yesterday the CEL stayed on. I'm no electrician but understand basics and can use a multimeter to confirm continuity and things like that but not sure what best approach is. It drove to and from work about 15 miles each way just fine until I was almost home and I got a check engine code that said "emmesions system problem". I intend to check the resistance, etc before replacing. Replaced VTC solenoid, used dialectric grease when reconnecting. The first symptom that you can expect when confronted with the P2646 code is that the ECM will trigger the Check Engine Light to illuminate on your dashboard. Bad VTEC/Rocker Oil Pressure Switch – After looking at the oil and making sure that it's ok, and checking the electrical connection, replacing the switch is the next thing to try. One of the most common causes of the P2646 code is when the ECM detects a problem in the rocker arm system for bank 1. VCMuzzler may not make the oil switch last longer, but it will make your engine and transmission last longer. Newer Honda's will have a Variable Timing Solenoid while older cars will have a VTEC Solenoid Spool. Not made of money but can make it happen either way. The onboard computer (ECM) receives information from the oil pressure switch if the system is working correctly. Take care of any recalls ASAP.

Rocker Arm Oil Pressure Switch To Our Mobile Site

I cleared the code, and it came back immediately when I restarted the car. '07 model J35A6, J35A7 engines and '08 model J35A6 engine. The VTEC system controls the variable valve timing in your Honda. The seat-back is released from inside the trunk. VCM itself doesn't put any stress on the oil switch. This issue has just been posted by others. Recall repairs are free when performed at a local dealer. It just tells the ECU if there is good enough oil pressure to drive the rocker arm pins into position to enable VCM.

Rocker Arm Oil Pressure Switch Do

The ECM will administer changes where it sees fit. Trace the wiring back and see if it is damaged anywhere. How Easy Is It to Diagnose a P2646 Code? So clearly an oil issue now. 0 off as a credit towards the repair.

Current oil level is full and has about 500 miles usage. Once we are able to diagnose the problem, you will be provided with an upfront quote for the recommended fix and receive $20. Make sure that it is undamaged and securely plugged in. My Pilot is about 1, 400 miles short of 60k... A Honda with a P2646 is having a problem with oil pressure. It is important to use a proper diagram for your specific vehicle to distinguish the two actuators. Louis T. April 9, 2020. 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. I've reviewed the postings for this particular issue and have followed several fixes but still having issue. If driving on snowy or frozen roads, mount all season marked M+S tires, snow tires, or tire chains; reduce speed; and maintain sufficient distance between vehicles when driving. What I've done to date. Researching the TSB's pertaining to your specific vehicle can greatly assist in a proper, correct, and expedited repair. Furthermore, if the engine has excessive sludge binding the rockers from moving, or if the oil is too thick, this will also cause the code to show.

The actuator will measure how much oil is flowing through it and report it to the ECM. Then I noticed that the car had far less power, and it even juddered once when the engine reached higher RPMs going up a steep hill. They will then scan and record any freeze frame data to document the condition of the engine when the P2646 code first appeared.

Fri, 17 May 2024 04:40:46 +0000