What does the trouble code p2646 mean?
Alright, so the meaning of the P2646 code should be at least a little clearer by now. But what causes it? The most common causes of this DTC have to do with oil problems and/or oil sludge, although this particular code can have a number of causes. In any case, the most common ones are:
Is there a p2646 code for a Honda Element?
Finally just pulled the oil pan with the upper components taken off, cleaned the oil passages, painted the rusty oil pan with spray on undercoating, put everything back together, been fine ever since, no more P2646 or P2647 codes since, revs well, runs well, Goes like stink from a skunk farm now. My opinion.
Why do I keep getting a p0646 code on my car?
Although the ‘A’ rocker arm actuator will usually be the problem (and will need to be replaced), this is not always the case. Often, the culprit will be the oil itself (low oil level, inadequate oil pressure or viscosity), but mechanics will replace components in error, causing the P0646 code to return.
Why is my VTEC oil pressure switch filling up with oil?
Reason for pulling the oil pan and cleaning the oil passages. The new oem vtec oil pressure switch filled up with oil. Had 2 choices, either assume the switch was defective as a brand new component, or too much pressure was building up from restricted oil return passages.
What does the p2646 Honda engine code mean?
Before replacing any parts change the engine oil with the factory recommend oil weight. The factory bulletin suggestss that replacing the VTEC oil pressure switch (P/N 37250-PNE-G01, H/C 6737217) take care of the problem. The cost to diagnose the P2646 HONDA code is 1.0 hour of labor.
What does p2646 mean on an oil pressure switch?
Wiring Issue – P2646 indicates that the voltage from the VTEC/Rocker oil pressure switch is low. This means that a wiring issue very well could be at fault. Take a look at the wiring harness where it plugs into this switch. Make sure that it is undamaged and securely plugged in. Trace the wiring back and see if it is damaged anywhere.
What causes Honda engine light to set p2652?
The most common problem that can set the P2652 code is the engine oil. Before replacing any parts change the engine oil with the factory recommend oil weight. There is a Factory Service Bulletin for the following Honda Models
Reason for pulling the oil pan and cleaning the oil passages. The new oem vtec oil pressure switch filled up with oil. Had 2 choices, either assume the switch was defective as a brand new component, or too much pressure was building up from restricted oil return passages.