How can I fix this code (P2649) on my car it's a 2004 Honda Accord V6 3.0L?
You should start by changing the engine oil and filter. Make sure you use the engine oil weight recommended by Honda, Clear the code and drive after changing the engine oil. If the code comes back, then you may have to replaced the VTEC Oil Pressure Switch.
P2646 HONDA - VTEC Oil Pressure Switch Circuit Low Voltage Read more: https://www.autocodes.com/p2646_honda.html
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