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Posts Tagged: P2646

Honda P2646, P2651, P2647, P2652

Honda P2646, P2651, P2647, P2652 and Honda rocker arm oil pressure codes Honda has issued a service bulletin #13-021 to address any of these rocker arm oil codes P2646, P2651, P2647, P2652 on the vehicles listed below. The trouble codes may be intermittent and not all codes may be stored in the PCM. You may not be able to clear the codes. Honda has determined that the rocker arm oil pressure switch may fail intermittently. VEHICLES AFFECTED 2003–12 Accord L4 – ALL 2002–05 Civic Si – ALL 2002–09 CR-V – ALL … 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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