Question about 1998 Honda Accord

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2002 Honda Accord vtec 2.3l has a check engine light on. Code P1259. How do I fix the problem? I have learned that it might be the vtec pressure switch and vtec solenoid valve.

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1.1 o2s(ho2s)(s1) = eng
3.2 map circuit = high input eng
7.1 t p sensor(a) = voltage low eng

Posted on Jun 24, 2010

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Code p1259 without CEL coming on. found out by the mechanic plugging it up the the machine.


buy it,this is the problem, P1259 VTEC MALFUNCTION CODE FOR HONDA 2 3L VTEC ENGINE ,replace it for about 150 bucks. 7775251b-bbeb-4468-b735-a02ee837616f.jpg OES Genuine Cam Adjust Solenoid for select Acura/Honda/Isuzu models, http://www.amazon.com/gp/product/B001G7ODLS
Amazon com OES Genuine Cam Adjust Solenoid for select Acura Honda Isuzu... ,,your check engine light also needs to be replaced,it was probably taken out in order to sell the car,it is illegal to do.

May 21, 2014 | 1998 Honda Accord

1 Answer

2002 honda civic p1259 problem


P1259 HONDA - VTEC System Malfunction
Possible causes- Low engine oil pressure or level
- Open or short circuit condition
- Faulty VTEC oil pressure switch
- Faulty VTEC solenoid
When is the code detected?The P1259 is set when there is a problem in the VTEC Oil Pressure Switch circuit or VTEC Solenoid Valve circuit

Oct 01, 2012 | 2002 Honda Civic

1 Answer

I have an 02 accord that has the check engine light on. Its got 145000 miles on it. I got it scanned. The codes were p1259 vtec system circuit fault bank 1, p0420 catalyst system efficiency below...


Fix the P1259 code first. Are you using the recommended oil viscosity? If not, change that immediately. Also, check the screen in the Vtec solenoid for sludge buildup. If the variable valve timing isn't working properly, it can cause the P0420. If not fixed soon, that can destroy your cataltytic converter. The P1457 code is less important.

http://ricksfreeautorepairadvice.com/motor-oil-viscosity-warning/

Jul 19, 2017 | 2002 Honda Accord

1 Answer

My honda accord 2003 V6 hiccups when I step on the gas, and the right signals do not work. The code P1259 came up and I was wondering excatly what does that mean?


This is an error code related to VTEC related Honda engines. I am sending you a little reading on that error code.. Best of Luck..


The Check Engine Light (CEL) is on. Trouble code P1259. Tests/Procedures: 1. Locate the Variable Timing/Lift Control (VTEC) pressure switch, on the back of the cylinder block, by the oil filter.

2. The VTEC oil switch is normally closed and grounds the reference voltage from the Engine Control Module (ECM) on the Blue/Black (BLU/BLK) wire.

3. At approximately 4000 RPM, and when driving the vehicle, the VTEC system should turn on. To turn the system on, the ECM energizes the VTEC Solenoid valve and it allows oil pressure into the intake valve rocker arms, the oil pressure opens the VTEC oil pressure switch so the ECM can verify that VTEC did turn on correctly.

4. The code will set below 4000 RPM if the reference voltage is not grounded. The code will set above 4000 RPM if the VTEC oil switch does not open.

5. If the code sets at 4000 RPM or higher, the problem can be a low oil level or pressure, or a malfunction in the VTEC assembly. Potential Causes: Low Engine Oil
Plugged Oil Passage
Insufficient Oil Pressure
Plugged Oil Screen
Insufficient Oil Volume
Malfunctioning VTEC Oil Pressure Switch
Defective VTEC Solenoid
Tech Tips: When the P1259 code sets at 4,000 RPM or higher, always verify that the engine oil level is full. Also, if there is an oil pressure or volume problem, always verify that the oil pan is not pushed up and is too close to the oil pickup tube, causing an oil volume problem. Be very careful when supporting the engine with the oil pan.

Aug 26, 2011 | Honda Accord Cars & Trucks

2 Answers

Code P1259 what would cause this?


P1259 is the code for the VTEC pressure switch.

1. Check your oil level first, if oil level is low the code will come on. Add oil and reset the light.
2.you might have a bad Vtec oil pressure switch, try replacing it.

Jun 26, 2011 | 1998 Honda Accord

3 Answers

Code p1259


low oil level can cause this as well as a bad oil pressure switch for VTEC control, possible VTEC solenoid.
Another reason for this code is the immobilizer. the anti theft device that looks at your key for the diode to match the car. This is on cars with out the VTEC.
On the VTEC system
DEFINITION:
VTEC System Malfunction

PROBABLE CAUSES:
-Low oil/pressure
-Blocked oil pressure
-Failed VCT oil control valve

Apr 01, 2011 | 2000 Honda Accord

1 Answer

I have a 1998 Honda Accord the service engine soon light came on. I failed inspection and was told I had a Diagnostic trouble code P1259.(1) What does P1259 trouble indicate. (2) How do you turn off the...


p1259 is a problem with the VTEC system. this system is for improved performance at higher rpm's. oil can get sludged up and clog the system, or the VTEC solenoid can just go bad. you can always have someone with a scan tool clear the codes to turn off the light, but until the problem is fixed, it will just keep coming back on

Feb 19, 2010 | 1998 Honda Accord

1 Answer

I have a 2000 honda accord ex... My engine light is on and throwing the p1259 code. It is not a Vtec engine... help. I just got the oil changed and the light is still on. However they put 10w30 in.. should...


The P1259 : is problem in the VTEC Oil Pressure Switch circuit or VTEC Solenoid Valve circuit.
check the wire on the VTEC Oil Pressure if it's loose.

Feb 18, 2010 | 1997 Honda Civic

1 Answer

Just got a P1259 code on my 98 honda accord


I have a 1998 Honda Accord EX. I had the check engine light come on as well and I had the code read by PepBoys. The code was:P1259 or VTEC SYSTEM Malfunction.
I Don't know jack about were to start to fix this problem, so I bit the bullet and took the car to my Honda Dealer. The problem was checked out and was told this.
( REPLACE VTEC VALVE ASSEMBLY)
I had them do the work because I dont know how to do this. So after $204.00 in Labor and $162.29 in parts, for a grand total $366.29, The car was fixed!!!!!!! Run's great and no check engine light on anymore. So to help you out as best I can, here is the numbers that are on my work sheet. I dont know witch numbers represent the part number but this is how it looks on my paper.

1 15810-PAA-A02 8108797-90870 VALVE ASSY, SPOOL $150.75

1 15825-P0A-015 8161598-15999 FILTER, SPOOL VALVE $11.54

There you go! I hope this gives everyone a place to start. maybe get your self a Haynes Repair Manual (#42014 is for the 1998-2002 Honda Accord, all models) and try to do the work your self. Good luck to all of you form Donald M. in SoCal.

Oct 07, 2009 | 1998 Honda Accord

1 Answer

I have a 2005 honda civic si recently my check engine light came on showing the following codes they are P1259 and P1166


P1259 is a code for vtec malfunction usually cause by a bad vtec solenoid, vtec pressure sensor, low oil level, bad connection. Was oil change done? May want to check the oil level. P1166 is a code for a primary o2 sensor 1.

Sep 25, 2009 | 1998 Honda Accord

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