Rough Idle or Engine Misfire

Expert diagnosis and repair solutions for 2007 Ford F-150 Rough Idle or Engine Misfire. Get step-by-step fixes, cost estimates, and professional advice.

Expert Repair Solutions

medium$200-$400

Replace faulty ignition coils and spark plugs to address rough idle and misfire issues.

Source: https://www.justanswer.com/ford/alhub-2007-f150-5-4-rough-idle-misfire.html

Repair Steps:

Purchase new ignition coils and spark plugs
Remove old ignition coils and spark plugs
Install new ignition coils and spark plugs
Test engine performance

easy$10-$30

Clean the throttle body to improve engine idle and reduce misfire symptoms.

Source: https://www.ford-trucks.com/forums/1422826-2007-ford-f-150-5-4-random-rough-idle.html

Repair Steps:

Purchase CRC throttle body cleaner
Remove the air intake hose
Spray cleaner into the throttle body while engine is off
Wipe clean with a cloth
Reattach air intake hose and test engine

medium$0-$50

Inspect and clean spark plug wells for water or coolant to prevent misfire.

Source: https://www.f150forum.com/f4/rough-idle-no-power-misfire-2007-f150-547931/

Repair Steps:

Remove ignition coils
Inspect spark plug wells for moisture
Use compressed air to dry wells
Reinstall ignition coils and test engine

easyFree under recall

Address potential airbox lid recall issue that may affect engine performance.

Source: https://static.nhtsa.gov/odi/rcl/2008/RCDNN-08V523-8990.pdf

Repair Steps:

Contact ROUSH at 1-866-307-6788
Schedule a recall service appointment
Have the airbox lid replaced by the dealer

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