Rough Idle or Engine Misfire

Expert diagnosis and repair solutions for 2011 Ford F-150 Rough Idle or Engine Misfire. Get step-by-step fixes, cost estimates, and professional advice.

Expert Repair Solutions

medium$150-$300

Inspect and replace faulty ignition coils and spark plugs, which are common causes of misfires and rough idle.

Source: https://www.justanswer.com/ford/ha3xu-random-misfire-running-rough-driving-2011-f150-4x4-5-0l.html

Repair Steps:

Scan for trouble codes to identify misfiring cylinders.
Inspect ignition coils and spark plugs for wear or damage.
Replace faulty ignition coils and spark plugs.

medium$50-$150

Check for vacuum leaks, which can cause high fuel trim at idle and result in rough idle or misfire.

Source: https://www.f150forum.com/f38/2011-5-0-returning-missfire-rough-idle-524476/

Repair Steps:

Perform a smoke test to identify vacuum leaks.
Inspect vacuum hoses and intake manifold for leaks.
Repair or replace any damaged vacuum lines.

easyFree under recall

Reprogram the Powertrain Control Module (PCM) as per recall 19V075000 to address transmission-related issues that may contribute to rough idle or misfire.

Source: https://www.nhtsa.gov/recalls?nhtsaId=19V075000

Repair Steps:

Contact a Ford dealer to schedule a recall service.
Have the dealer reprogram the PCM with updated software.
Verify that the issue is resolved post-reprogramming.

medium$100-$200

Address rough idle upon cold startup by following TSB 15-0126, which involves checking the engine's cold start parameters.

Source: https://www.youtube.com/watch?v=R0_D1liVdtg

Repair Steps:

Check for any stored diagnostic trouble codes (DTCs).
Inspect the engine's cold start parameters and adjust if necessary.
Perform a test drive to ensure the issue is resolved.

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