How does the VTEC system work on a Honda Accord?

The VTEC system controls the valve timing in your Honda. 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. P1259 specifically means that there is an issue with the VTEC circuit itself. Although, mechanical issues can cause the code to register as well.

What’s the code for Honda Accord system malfunction?

I have a 99 Honda accord I put it in machine it says the code is P1259Vtec System malfunction.. I have had oil changed, New spark plugs,New Fuses,Oil Filter,Oil treatment,Oil system cleaner,Oil pressure switch,Air Intake system Cleaner,replaced Sender Unit. Went to Get Smogged and It passed EVERYTHiNG Except check engine light…

Why is my Honda Accord p1259 not working?

This is facilitated by sending oil into the VTEC system, which changes the engine timing. A good rule of thumb is that if the P1259 code sets at 4000 RPM or below, it’s usually the VTEC pressure switch wiring issue or bad switch. If it is set at 4000 RPM or greater, it’ll usually be an oil related issue.

What to do if your VTEC system malfunctions?

Use synthetic oil, have your valves adjusted, check the solenoid operation, and if nothing else get a gasket set from Honda, it has a new screen installed, and clean the V-tec valve out. It would take just a few minutes to check the oil valve system out to make sure it can move freely, and it only has three bolts holding it in.

Where is the VTEC system malfunction code p1259?

Re: VTEC System Malfunction code P1259 has appeared. (… Check your variable valve timing oil pressure switch, it’s located on the passanger side just before the intake manifold, also the solenoid may be dirty or bad. some people say to clean the screen but that requires removing the entire assembly where these two units are… Good luck

Can a bad oil pressure switch cause VTEC system malfunction?

Low oil level can cause this as well as a bad oil pressure switch for VTEC control, possible VTEC solenoid. You can’t post conmments that contain an email address. An expert who has achieved level 1. An expert that has over 10 points. An expert whose answer got voted for 2 times.

What does it mean when your Honda Accord wont accelerate?

If your Accord won’t accelerate, but the RPM’s do not change, that is an indication that there is an issue with creating power. The issue is going to be something affecting the motor. Here are some common issues that can affect the motor:

What does it mean if your VTEC is not working?

If you can not HEAR it clearly that does not mean it is not working. Get a test light and check it. 3 weeks later… i like it. i just saw that post today while i was lurking on dseries. im gonna get an account sometime soon

What kind of engine does a 1995 Honda Accord have?

This 95′ Accord EX automatic is simply amazing. With only 130k, the engine (f22b1 VTEC) pushes like itz at 40k.

Why is my Honda Accord EX not starting?

Before we can fix the no-start problem —in this case in a 1996 Honda Accord EX, which serves as a good example—we have to figure out what’s causing the engine to refuse to start. Here is what this owner experienced: My 1991 Honda Accord EX has 178,000 miles with little or no problem until now.

What should I do if my Honda Accord has no spark?

In this case, the owner replaced the fuel pump, but the problem was elsewhere. Don’t be discouraged when this happens. Although it costs more money when you have to replace multiple parts in your car to solve a problem, this is the burden of the DIY mechanic. And think of all the money you’ve saved by working on your own car!

How much does a 1999 Honda Accord weigh?

1999 Honda Accord Sedan Change Vehicle. Vehicle Specifications. Curb Weight (lbs., MT/AT): 2987/3053. EPA Mileage Estimates/Fuel Capacity (5 Speed Manual LX Sedan)

What does it mean when your Honda Accord says p1259?

P1259 specifically means that there is an issue with the VTEC circuit itself. Although, mechanical issues can cause the code to register as well. If you are unsure of the oil weight used in your Accord’s last oil change, this would be a great place to start.

Why is my Honda Accord engine stalling out?

When it asks for a lot of fuel, instead of taking off, it stalls out with the demand. This can be caused by the fuel pump or fuel filter. If your Honda Accord’s engine timing is off, it’s going to stall out, misfire, and altogether not run properly. Here are some of the more common causes of an engine timing problem:

Navigation