check engine light is on after going up hill car missed a couple of times first

2005 HONDA ACCORD
97,633 MILES
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JJ65ROBINSON
  • MEMBER
  • 1 POST
going up a small hill my element felt like it was going to stall i gave it a little gas and i made it home. i have been having really bad gas mileage also . auto zone scanned it and it read code P2646
Sep 17, 2011 at 5:10 PM
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JACOBANDNICKOLAS
  • ✓Experienced Mechanic
  • 110,244 POSTS
P2646 points to a problem with the v-tec pressure switch/circuit. This item adjusts valve timing based on hydraulic pressure to it. If the timing isn't advanced at higher RPM's, you will loose power.
Sep 17, 2011 at 7:20 PM
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