Rough Idle or Engine Misfire

Expert diagnosis and repair solutions for 2009 honda cr-v 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 spark plugs and ignition coils to resolve engine misfire and rough idle.

Source: https://repairpal.com/honda/cr-v/2009/rough-idle

Repair Steps:

Inspect spark plugs for wear or damage.
Replace worn or damaged spark plugs with new ones.
Check ignition coils for proper function.
Replace any faulty ignition coils.

medium$100-$250

Identify and repair vacuum leaks to improve idle quality.

Source: https://www.crvownersclub.com/threads/misfire-flashing-cel.221319/

Repair Steps:

Perform a visual inspection for any disconnected or damaged vacuum hoses.
Use a smoke machine to detect hard-to-find vacuum leaks.
Repair or replace any leaking vacuum hoses or components.

easy$50-$150

Clean or replace the oxygen sensor to address rough idle issues.

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

Repair Steps:

Locate the oxygen sensor in the exhaust system.
Disconnect the sensor and inspect for contamination or damage.
Clean the sensor with an appropriate cleaner or replace it if necessary.
Reconnect the sensor and reset the check engine light.

hard$200-$400

Perform a valve adjustment to correct rough idle and misfire.

Source: https://honda-tech.com/forums/honda-cr-v-element-156/cr-v-intermittent-misfire-rough-idle-3352113/

Repair Steps:

Remove the valve cover to access the valves.
Use a feeler gauge to measure valve clearance.
Adjust the valves to the manufacturer's specifications.
Reinstall the valve cover and test the engine for improvements.

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