OBD2 Codes

Understand OBD2 codes with our detailed guide. Learn how to interpret diagnostic trouble codes (DTCs) to pinpoint car issues and keep your vehicle running smoothly.

P1144 Code? Here’s How to Fix It – Quickly and Easily

P1144 Code Meaning
When you encounter the P1144 code, it indicates a malfunction in the air assist control valve circuit, which affects engine ...

P1143 Code? Here’s How to Fix It – Quickly and Easily

P1143 Code Meaning
While a well-functioning engine purrs smoothly, a malfunctioning one can lead to frustrating issues like the P1143 code. This code ...

P1142 Code? Here’s How to Fix It – Quickly and Easily

P1142 Code Meaning
Notably, about 20% of vehicles with the P1142 code experience reduced fuel efficiency. You’re likely dealing with a faulty mass ...

P1140 Code? Here’s How to Fix It – Quickly and Easily

P1140 Code Meaning
When you encounter the P1140 code, it indicates a malfunction in the Intake Valve Timing Control (IVTC) system on Bank ...

P1139 Code? Here’s How to Fix It – Quickly and Easily

P1139 Code Meaning
When you encounter the P1139 code, it means your vehicle’s Long Term Fuel Trim Additive for Bank 2 is too ...
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