What is a VTEC pressure switch?
VTEC stands for Variable Valve Timing with Electronic Control. The variable valve timing oil pressure switch is a normally open switch located at the VVT solenoid. When the VTEC oil pressure switch closes, the voltage should drop to zero. This is how the PCM knows if oil pressure was applied to the VTEC system.
What is the p2647 error code for Honda?
As soon as the tachometer touched 2700 rpm, the car bucked and the check engine light (CEL) came on! Luckily I had my trusty engine code reader handy, so I pulled over and read the error code. The error was P2647. A related error is P2646. P2647 – Rocker Arm Actuator Control System Stuck On
Is there an easy fix for the p2647 error code?
It is a relatively inexpensive method to help clear sludge from your engine and has been known to eliminate the P2647 issue. No signal getting to the VTEC – Vehicle feels ‘gutless’ at high RPM
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
What happens when no codes are set for OBD2?
This means that if no codes are set (translates to no trouble found) after all the monitors have been run, then your vehicle is running clean and will pass an OBDII plug-in emissions test or a tailpipe smog check.
How does a mechanic diagnose the p2647 trouble code?
Symptoms of this trouble code that the driver may experience would include: Hesitation or stumble upon acceleration. How does a mechanic diagnose the P2647 code? The first thing a mechanic would do to diagnose this issue would be to check the engine oil level and check for a low oil pressure light.
What is the p2647 error code for Honda Accord?
The check-engine-light came on and gave a P2647 error code. This post walks step-by-step through the easy fix. I hope you find this helpful! The vehicle I am working on here is a 2004 Honda Accord (4-cyl).
This means that if no codes are set (translates to no trouble found) after all the monitors have been run, then your vehicle is running clean and will pass an OBDII plug-in emissions test or a tailpipe smog check.
Can a car scanner read both P0 and P1 codes?
There are certain types of faults in vehicles that will set a P0 code and not a P1 code or vice versa. Unless you’re able to read both codes it can be difficult for you to make the right diagnosis for your vehicle. Also, unlike code readers, scanners are capable of also displaying the readiness status of the car’s OBD2 system monitors.