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2008
honda cr-v21 views

Rough Idle or Engine Misfire

Expert diagnosis and repair solutions for 2008 honda cr-v Rough Idle or Engine Misfire. Get step-by-step fixes, cost estimates, and professional advice.

Expert Repair Solutions

1
medium$150-$300
Replace spark plugs and ignition coils to address misfire and rough idle.
Source: https://repairpal.com/honda/cr-v/2008/rough-idle

Repair Steps:

  1. Purchase new spark plugs and ignition coils.
  2. Disconnect the battery to ensure safety.
  3. Remove the engine cover to access the ignition coils.
  4. Unplug the ignition coil connectors and remove the coils.
  5. Replace the spark plugs with new ones.
  6. Install the new ignition coils and reconnect the connectors.
  7. Reattach the engine cover and reconnect the battery.
2
medium$50-$200
Inspect and repair any vacuum leaks which can cause rough idle.
Source: https://www.crvownersclub.com/threads/misfire-plugs-and-coil-packs.224766/

Repair Steps:

  1. Use a vacuum gauge to check for leaks in the vacuum lines.
  2. Inspect the intake manifold and gaskets for signs of wear or damage.
  3. Replace any damaged vacuum lines or gaskets.
  4. Re-test the system to ensure all leaks are fixed.
3
hard$200-$400
Perform a valve adjustment to correct rough idle and misfire.
Source: https://www.honda-tech.com/forums/honda-cr-v-element-156/cr-v-intermittent-misfire-rough-idle-3352113/

Repair Steps:

  1. Remove the valve cover to access the valves.
  2. Use a feeler gauge to measure the valve clearance.
  3. Adjust the valves to the manufacturer's specifications using the appropriate tools.
  4. Reinstall the valve cover and ensure all bolts are properly tightened.
4
easy$100-$200
Replace the oxygen sensor to resolve rough idle issues.
Source: https://www.youtube.com/watch?v=M9VG_gUWiXE

Repair Steps:

  1. Locate the oxygen sensor on the exhaust manifold.
  2. Disconnect the sensor's electrical connector.
  3. Use an oxygen sensor socket to remove the old sensor.
  4. Install the new oxygen sensor and tighten it securely.
  5. Reconnect the electrical connector.

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