Robert DePrater Posted on May 20, 2015

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What does a po1259 code for a 2001 honda accord 3.0 litre, v-tec b-1 sys. failure mean

3.0 litre

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Stephen

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Posted on May 20, 2015

Stephen

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Here is the explanation from engine-codes.com

P1259 Honda Description
The VTEC system activates the VTEC solenoid valve by command from the powertrain control module (PCM), and it charges/discharges the hydraulic circuit of the VTEC mechanism that is installed in the valve system to switch valve timing between Low and High. The PCM monitors oil pressure conditions in the hydraulic circuit of the VTEC mechanism according to the VTEC oil pressure switch downstream of the VTEC solenoid valve. If there is a disparity between oil pressure condition in the hydraulic circuit that is determined by the PCM command, and the oil pressure condition that is determined by the status of the VTEC oil pressure switch, the system is considered faulty and a DTC is stored.

Read more: http://engine-codes.com/p1259_honda.html#ixzz3aiInXy9j

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P1259 Honda VTEC System Malfunction

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The VTEC system activates the VTEC...

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2001 honda accord bank 1 sensor 1 o2 sensor is at a negative 36.00 cant figure out whats wrong its a 2.3 ulev v-tec motor

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All Hondas operating with that 3.0 and 3.2 litre V6 have tremendous transmission problems.....the fix is usually the lock up solenoid,,,,I have seen problems with this code also it was the VSS vehicle speed sensor.... I have had Accords/Acura 3.0 litre with major transmssion failure as well as paying 2500 for a rebuild and going back to get it done right...the tranny builders have problems getting these right ..if you decide to have your tranny rebuilt they are not ripping you off,,, some of the clearences on the bushings to drums are .002 thousandths close..using scotch tape to measure the fit...you can not go into the valve body if you do not know about trannys..it is critical..the only home remedy is to drain the trans,,,use honda genuine transmission fluid it is 8 bucks a quart...disconnect your battery terminals for more than 30 minutes which will reset the code now you know it...after 50 miles it will come back if the solenoid is bad or is stuck..the code is a malfunction in the circuit not the solenoid soley...sorry I wish I could guide you to a better FiX!!!!

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Let me now if this helped, or if you have additional information or questions. Feel Free to contact me at FixYa.com!

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What does a po1259 code for a 2001 honda accord 3.0 litre, v-tec b-1 sys. failure mean

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Stephen

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What does a po1259 code for a 2001 honda accord 3.0 litre, v-tec b-1 sys. failure mean

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Stephen

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