The OBD-II P0300 code indicates that your engine has experienced multiple random misfires. If this is indeed the case, you’ve probably already noticed some changes in your car’s performance, as well as some rough engine operation, both while driving and while idle.But other than the ...
P0404: This DTC has to do with the vehicle’s EGR Control Circuit Range/Performance and tells you that your system’s valve or sensor isn’t working at the specified measurements. P0405: An EGR Sensor A Circuit Low engine code reveals your sensor is reading a low voltage level in your...
Based on this preliminary information, I hooked up my scan tool and proceeded to see what code or codes were stored in the Powertrain Control Module (PCM). I retrieved a P0300 and P0304. Code P0300 is a random misfire, and code P0304 is a misfire on cyli...
The most common code you will see is theP0300 code, along with a code like P030X. The X is replaced with the cylinder number where the cylinder misfire occurs; for exampleP0301is a cylinder 1 misfire. What Are The Causes Of An Engine Misfire? The most common causes of engine misfires...
The Honda Accord P0087 sedan/coupe 2.4L engine code causes code P0420 in some cases. P0087 means the fuel rail's pressure is too low and P0420 means there is an issue with the catalyst's efficiency, which is often caused by fuel-mixture problems. ...
This is an archived list of updates that have been announced on the OBD Codes home page.Dec 21/17 - P065A, P065B, P065C, P065D Dec 14/17 - P2430, P2431, P2432, P2433, P2434, P2435, P2436, P2437, P2438, P2439, P0655, P0656 Dec 5/17 - P0654 Nov 23/17 - P3405,...
LTFT values that drop down to negative 20 to 25 will usually set a P0172 or P0175 rich code.This scantool is displaying a STFT value of 25 percent. Normally that would indicate a problem, but in this case the engine is not running (Engine RPM is zero). As soon as the engine start...