Rough Idle or Engine Misfire

Expert diagnosis and repair solutions for 2011 honda cr-v Rough Idle or Engine Misfire. Get step-by-step fixes, cost estimates, and professional advice.

Expert Repair Solutions

medium$150-$300

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

Source: https://repairpal.com/honda/cr-v/2011/rough-idle

Repair Steps:

Purchase new ignition coils and spark plugs compatible with the 2011 Honda CR-V.
Disconnect the battery to ensure safety.
Remove the engine cover to access the ignition coils.
Unplug the electrical connectors from the ignition coils.
Remove the bolts securing the ignition coils and pull them out.
Replace the spark plugs using a spark plug socket.
Install the new ignition coils and reconnect the electrical connectors.
Reattach the engine cover and reconnect the battery.

medium$50-$150

Inspect and repair any vacuum leaks in the engine to improve idle stability.

Source: https://www.crvownersclub.com/threads/rough-idle.235642/

Repair Steps:

Start the engine and listen for hissing sounds indicating a vacuum leak.
Use a smoke machine or spray soapy water around vacuum hoses and connections to identify leaks.
Tighten or replace any faulty hoses or connections.
Re-test the engine to ensure the idle is stable.

medium$100-$200

Replace the oxygen sensor if it is faulty, as it can cause rough idling.

Source: https://www.youtube.com/watch?v=M9VG_gUWiXE

Repair Steps:

Locate the oxygen sensor on the exhaust manifold.
Disconnect the electrical connector from the sensor.
Use an oxygen sensor socket to remove the old sensor.
Install the new oxygen sensor and tighten it securely.
Reconnect the electrical connector.
Clear any error codes from the vehicle's computer using an OBD-II scanner.

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