# 2008 Honda Cr-v

**URL:** <https://community.cartalk.com/t/2008-honda-cr-v/92717>\
**Category:** Maintenance/Repairs\
**Created:** [March 8, 2016, 7:31am UTC](https://community.cartalk.com/t/2008-honda-cr-v/92717 "2016-03-08T07:31:32Z")\
**Posts on this page:** 3\
**Page:** 1

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**Author:** ![Alishag](https://avatars.discourse-cdn.com/v4/letter/a/bc8723/32.png) [@Alishag](https://community.cartalk.com/u/Alishag)\
**Post date:** [March 8, 2016, 7:31am UTC](https://community.cartalk.com/t/2008-honda-cr-v/92717/1 "2016-03-08T07:31:32Z")

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My Honda CR-V VSA Check engine light are on putting out code P2646 iv cleaned the screens but problem still persists please help

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**Author:** ![insightful](https://sea1.discourse-cdn.com/cartalk/user_avatar/community.cartalk.com/insightful/32/2732_2.png) [@insightful](https://community.cartalk.com/u/insightful)\
**Post date:** [March 8, 2016, 8:16am UTC](https://community.cartalk.com/t/2008-honda-cr-v/92717/2 "2016-03-08T08:16:39Z")

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Read the “Tech notes” here:

> **[P2646 Honda - Rocker Arm Oil Pressure Switch Circuit Low Voltage](http://www.autocodes.com/p2646_honda.html)**
>
> The Variable Valve Timing and Lift Electronic Control (VTEC) system activates the Rocker Arm Oil Control Solenoid (VTEC Solenoid Valve) by command from the Engine Control Module (ECM) / Powertrain Control Module (PCM), and it charges/discharges the...

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**Author:** ![George\_San\_Jose1](https://avatars.discourse-cdn.com/v4/letter/g/e5b9ba/32.png) [@George\_San\_Jose1](https://community.cartalk.com/u/George_San_Jose1)\
**Post date:** [March 8, 2016, 9:20am UTC](https://community.cartalk.com/t/2008-honda-cr-v/92717/3 "2016-03-08T09:20:21Z")

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As a fyi for the OP, it is critical to observe the manufacturer’s recommendations for oil change intervals and oil specifications with engines using variable valve timing. Prior to VVT there was some flexibility, but not with VVT.