What is P0313 : Engine Error code Causes Explained
Engine trouble codes must be understood for vehicle maintenance. This blog covers the P0313 engine error code, its causes, hazards, and impacted automobiles to help you diagnose and prevent engine difficulties.
How to Identify a DTCs Number
The P0313 engine error code is a Diagnostic Trouble Code (DTC) that usually indicates a “Misfire Detected on Startup.
Understand, this trouble codes (DTCs) are 5 characters: 1 letter, 4 numbers. P-Powertrain indicates the fault code’s location. Generic or manufacturer-specific codes are indicated by the first digit. The second digit denotes the subsystem (7=transmission). The last two numbers describe the issue.
To identify a DTC number like P0313, you can use an OBD-II scanner, which connects to the vehicle’s diagnostic port. Once connected, the scanner reads the codes stored in the ECM and displays them along with their descriptions.
Causes of P0313 Error Code:
- Low Fuel Level:
Low fuel can prevent the pump from delivering enough fuel, causing misfire. - Faulty Fuel Pump:
A failing fuel pump might not be able to supply enough fuel to the engine. - Clogged or Faulty Fuel Filter.
A clogged or faulty fuel filter can restrict fuel flow, leading to a misfire. - Fuel Pressure Regulator Failure:
A faulty fuel pressure regulator can cause incorrect pressure and misfires. - Clogged or Failed Fuel Injectors:
Clogged or faulty fuel injectors can prevent proper fuel delivery to the engine cylinders.
Risk Level of P0313 Error Code:
The P0313 engine error code, indicating a misfire detected on startup, is classified as a medium-risk level because it can affect engine performance and fuel efficiency without immediately causing severe damage.
Ignoring this code for too long could increase the risk level to HIGH. It’s best to diagnose and repair the issue as soon as possible.
Common Car Brands Affected by P0313 Code:
The P0313 code can affect various vehicles, it is most commonly associated with:
- Ford
- Honda
- Nissan
- Mercedes
- Chevy
- BMW
- Mazda
Video: P0313 Engine Error code
FAQ’s
What is P0313 Engine Error Code?
P0313 is a diagnostic trouble code (DTC) indicating a “Misfire Detected on Startup – Cylinder X.” It signals that the engine misfired during the first few revolutions after starting.
What Causes P0313?
This error can be triggered by faulty spark plugs, ignition coils, fuel injectors, vacuum leaks, or low fuel quality. Engine timing issues or sensor malfunctions may also contribute.
What is the Risk Level of P0313?
The risk level is Medium, meaning the engine may run roughly, reduce fuel efficiency, and cause minor emissions issues if ignored, but immediate severe damage is unlikely.
Which Vehicles are Affected by P0313?
P0313 can appear on a wide range of gasoline engines across various makes and models such as Ford, Honda, Nissan, Mercedes, Chevy, BMW and Mazda.