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Review on πŸ” Analyzing Engine Performance: The AEM (30-4110) UEGO Air/Fuel Ratio Gauge by Joe Ashan

Revainrating 4 out of 5

Error as delivered - lighting and electrics

Bought and defective as delivered. The only option I have is to remove it and send it to AEM for warranty review. Not cool and not happy. Professionally attached to the cork at a 10 degree angle. All I get at startup is 14.8, then slowly increases to 20 and dotted lines the rest of the time. Dyno confirmed the AFR so I know it's not because he's poor. It seems fairly common for these sensors to be faulty right out of the box. Read many more comments here afterwards.

Pros
  • Good product for the price
Cons
  • Upgradable