P1166 Fault Code
You can find information about the P1166 fault code on this page.
BE WARNED! This particular code can mean a different thing depending on what make the car is, check below.
Manufacturer-Specific Meanings
Audi P1166
"Bank 1, Long Term Fuel Trim, Range 2 Rich Limit Exceeded"
Honda P1166
"Primary HO2S (No. 1) Heater System Electrical"
Hyundai P1166
"Heated oxygen sensor (H02S) 1, bank 1 – control limit reached"
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Commonly Affects
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