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Posts Tagged: p2646 honda

P2646 Honda

P2646 Honda — Diagnose and fix Shops are reporting a high incidence of P2646 Honda trouble codes on Honda CR-V, Honda Element and Accord models with the 2.4L engine. The P2646 Honda code definition is: P2646: VTEC Oil Pressure Switch Circuit Low Voltage. Honda has issued a service bulletin #13-021 to address the problem on the vehicles listed below. The vehicle may also have other trouble codes like: P2646/P2651 (rocker arm oil pressure switch circuit low voltage). P2647/P2652 (rocker arm oil pressure switch circuit high voltage). Models affected by P2646 … Read More

P2646 Honda CRV

Fix code P2646 Honda CRV A P2646 trouble code on a Honda CRV with the 2.4L engine may be caused by the variable timing/lift control (VTEC) pressure switch. The trouble code will set if the VTEC pressure switch doesn’t open and the voltage stays low. Here’s how to troubleshoot the problem. First, make sure the oil level and grade is correct. If the oil is low, add more oil before continuing. Next, locate the VTEC switch on the passenger back corner of the cylinder head. With the key on, but … Read More

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