It will do that on its own. Listen to a PowerStroke on a cold morning, they will react the same, EB coming on and an elevated idle. Mine will do that too and it does warm up faster. Also under certian conditions it will do the same when it idles for extended periods of time. Just stand away from the exhaust pipe, it get REAL HOT.

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07.5 3500 Quad, SRW, 4X4, Laramie, Leathered, Dark Metallic Gray, 6.7, 68RFE, 20K Reese, Ride Rite's, 2 Viair air compressors, Bully steps, Kleinn Locomotive air horns (5 in all), Billet polished locking fuel door, 'A' pillar mount Auto Meter Pryo, PML X-deep trans pan
06 Durango 285 RL 5'er Lifted by KZ