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Read on to learn what kinds of issues can most commonly cause your Check Engine light to illuminate, how to read Check Engine codes, and what some of the most common DTCs may mean.
The most common OBD-II codes are P0___ powertrain codes, which are linked below on this page, along with P2___ generic & P3___ generic codes. Second most common seem to be P1___ powertrain codes, which are manufacturer specific.
A check engine light may be serious, so it’s important to inspect your vehicle as soon as possible. While this warning indicator can arise from simple fixes like inflating the tires or tightening the gas cap, it is best to err on the side of caution and promptly find the cause of the problem.
This list contains standard diagnostic trouble codes (DTC's) that are used by some manufacturers to identify vehicle problems. The codes provide below are generic codes that may not apply to all vehicles.
Your Check Engine Light is illuminated when a fault is detected with one of your vehicle’s monitored systems. In order to find out the reason the light is illuminated, you need to read the codes through the OBD port.
How to decipher the check engine light with a code reader. Possible false flags from a check engine code. Don't ignore that light. How to turn off the check engine light. Brief...
Decode common OBD2 trouble codes P0XXX - P3XXX for your vehicle. Explore causes, symptoms, and repair tips for BXXXX, CXXXX, and other diagnostic codes.
In this guide, we’ll give you an in-depth explanation of what check engine light codes (also known as OBD II, or Onboard Diagnostics II codes) are, how to read them, and generally how to go about fixing them.
Read on to learn more about what an illuminated Check Engine light means, how to decode it, and how O’Reilly Auto Parts’ O’Reilly VeriScan diagnostic testing can help you diagnose your Check Engine light codes.
The simplest way to check a CEL code is by using an On-board Diagnostic-II scan tool (OBD2 scanner). This device plugs into a vehicle’s Data Link Connector (DLC or “OBD2 port”) and reads diagnostic data, which you can use to find out what your check engine light means.