Rough Idle or Engine Misfire

Expert diagnosis and repair solutions for 2010 toyota camry Rough Idle or Engine Misfire. Get step-by-step fixes, cost estimates, and professional advice.

Expert Repair Solutions

easy$50-$100

Clean the throttle body to remove carbon buildup, which can cause rough idle.

Source: https://www.youtube.com/watch?v=GdkibY-FWZ8

Repair Steps:

Disconnect the battery to ensure safety.
Remove the air intake hose to access the throttle body.
Use a throttle body cleaner spray to remove carbon deposits.
Wipe the throttle body with a clean cloth.
Reassemble the components and reconnect the battery.

medium$150-$300

Replace faulty ignition coils or spark plugs to resolve misfire issues.

Source: https://www.reddit.com/r/MechanicAdvice/comments/1gmvz0w/my_2010_toyota_camry_xle_misfires/

Repair Steps:

Identify the misfiring cylinder using an OBD-II scanner.
Remove the ignition coil from the misfiring cylinder.
Replace the faulty ignition coil with a new one.
Check and replace spark plugs if necessary.
Clear any fault codes and test drive the vehicle.

medium$100-$200

Inspect and repair any vacuum leaks that may cause rough idle.

Source: https://brockautomotive.com/2024/09/24/what-are-the-common-causes-of-a-rough-idle-in-my-toyota/

Repair Steps:

Use a smoke machine to detect vacuum leaks in the intake system.
Inspect hoses and gaskets for signs of wear or damage.
Replace any damaged hoses or gaskets.
Re-test the system to ensure all leaks are sealed.
Verify idle stability after repairs.

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