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Running Rich after installing new fuel injectors

349 Views 2 Replies 3 Participants Last post by  jn2k108
Hey people, I have a 2015 si sedan and have been running rich after replacing the fuel injectors to brand new ones. Before this I was running really lean, my short term fuel trims was at 41.4, so I decided to replace the injectors and they’re now at -31.3. I have Skunk2 CAI, Catless Skunk2 dp, and mega power rr exhaust. The car has 75k miles. Any advice would be much appreciated into fixing this issue. Mahaloz.
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And have you had a tuner make you a new ECU map to account for all these mods?
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