P139A

2019 Lincoln Nautilus Surging & Almost Stalling at Low Speeds | P139A Diagnosis – Part 1

In this video I take a look at a customer’s 2019 Lincoln Nautilus that came in with a complaint of surging at low speeds. The customer states that when trying to maintain a steady speed around 20 MPH, such as in a school zone, the vehicle begins to surge and feels like it may stall. […]

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2019 Lincoln Nautilus P139A Code Fix | EGR Valve & DPFE Replacement -Part 2

In Part II of this diagnosis on a 2019 Lincoln Nautilus, we install the parts needed to address the P139A code and low-speed surging issue. In Part I we diagnosed the vehicle after the customer complained of surging at low speeds and nearly stalling when trying to maintain a steady speed around 20 MPH. The […]

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