Pentastar Fuel trims.

Post here with any questions specific to the use of the i2 on Chrysler vehicles.

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limaynard
Posts: 12
Joined: Thu Jan 16, 2020 5:18 am

Pentastar Fuel trims.

Post by limaynard »

I am running the 93 octane tune in my 2015 Wrangler. It runs great. However, I am trying to diagnose some issues and so I'm logging PIDS.

The LTFT on both banks is running anywhere between -12 to -15. It never goes positive.

It seems as though the PCM is trying to compensate for a rich mixture.

I bought the Jeep used and I'm wondering if there is an issue with wrong (over-sized) injectors?
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