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.

P1171 Code? Here’s How to Fix It Quickly and Easily

P1171 Code Meaning
Suddenly, your engine's fuel system is running lean during acceleration, but what's behind this imbalance and how can you prevent costly repairs?

P1185 Code? Here’s How to Fix It Quickly and Easily

P1185 Code Meaning
Bad news: your engine's fuel system is under siege, but what's driving the P1185 code and how can you stop it before it's too late?

P1189 Code? Here’s How to Fix It Quickly and Easily

P1189 Code Meaning
Symptoms of a P1189 code include poor fuel efficiency, rough idling, and hesitation, but what's causing the governor deviation at engine speed to malfunction?

P1187 Code? Here’s How to Fix It Quickly and Easily

P1187 Code Meaning
Precise fuel system diagnosis is crucial as a stuck fuel pressure regulator valve can lead to more severe engine problems if left unchecked.

P1190 Code? Here’s How to Fix It Quickly and Easily

P1190 Code Meaning
Diagnosing a P1190 code reveals a faulty intake throttle actuator, but what's causing the malfunction and how do you fix it?
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