Tune or CAI issue?

[MustangPP1]

Installed JLT Cold Air on my 2018 GT and luned 93 tunes. When “tapping/blipping” throttle to 1000 rpm, the rps die down to 400 rpms and sometimes even stalls... anyone else having this problem?

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[Diocletian]

You need to re-tune your car specifically for a CAI on the 2018's, your car is noticing more O2 getting in because of the bigger inlet and is cutting the engine. Let Lund know you got a JLT CAI and they can give you the appropriate tune.

Edit: if you already did that and are still getting this then check your install again, reseat all connectors and try again. You can also disconnect your battery for 30 min(will reset stored values) and try again

 

[MustangPP1]

Yup, let them know it was JLT, then got the whole CAI reinstalled. Still was having problems so Lund lowered my idle rpms to 580-620 ish

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