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.

P1120 Code? Here’s How to Fix It – Quickly and Easily

P1120 Code Meaning
Discover what's behind the mysterious P1120 code and how to diagnose and fix the throttle position sensor issue plaguing your engine's performance.

P1172 Code? Here’s How to Fix It – Quickly and Easily

P1172 Code Meaning
Malfunctioning rear air/fuel sensor signals can trigger a P1172 code, but what's behind this erratic voltage reading that's wreaking havoc on your engine's performance?

P1690 Code? Here’s How to Fix It – Quickly and Easily

P1690 Code Meaning
Behind the P1690 code, a sinister plot unfolds, threatening engine performance, but what's driving this sensor disagreement?

P1662 Code? Here’s How to Fix It – Quickly and Easily

P1662 Code Meaning
A faulty turbocharger wastegate regulating valve can trigger the P1662 code, but what's behind this issue and how can you avoid costly repairs?

P1654 Code? Here’s How to Fix It – Quickly and Easily

P1654 Code Meaning
Fixing a P1654 code requires troubleshooting the Instrumentation Control Module system to uncover the root cause of the malfunction.
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