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2007
toyota camry22 views

Rough Idle or Engine Misfire

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

Expert Repair Solutions

1
medium$150-$300
Replace faulty ignition coils and spark plugs to resolve misfire issues.
Source: https://www.justanswer.com/toyota/o17qo-engine-2007-toyota-camry-misfiring.html

Repair Steps:

  1. Identify the misfiring cylinder using an OBD-II scanner.
  2. Remove the ignition coil from the misfiring cylinder.
  3. Replace the ignition coil with a new one.
  4. Replace the spark plug if necessary.
  5. Reassemble and test the engine for smooth operation.
2
easy$20-$50
Clean the throttle body to remove carbon buildup and improve idle smoothness.
Source: https://www.youtube.com/watch?v=wY9X8cSZqbc

Repair Steps:

  1. Disconnect the battery to ensure safety.
  2. Remove the air intake hose to access the throttle body.
  3. Use a throttle body cleaner spray to clean the carbon deposits.
  4. Wipe the throttle body with a clean cloth.
  5. Reassemble the intake hose and reconnect the battery.
3
medium$50-$200
Inspect and repair any intake leaks that may be causing rough idle.
Source: https://www.toyotanation.com/threads/07-camry-very-rough-idle.1536962/

Repair Steps:

  1. Spray a small amount of carburetor cleaner around the intake manifold gasket and vacuum hoses while the engine is running.
  2. Listen for changes in engine RPM to identify leaks.
  3. Replace any damaged gaskets or hoses.
  4. Test the engine for improved idle performance.
4
medium$100-$200
Check and replace the crankshaft position sensor if faulty.
Source: https://community.cartalk.com/t/2007-toyota-camry-rough-idle-no-engine-codes/195586

Repair Steps:

  1. Locate the crankshaft position sensor near the engine block.
  2. Disconnect the sensor's electrical connector.
  3. Remove the sensor mounting bolt and take out the sensor.
  4. Install a new sensor and reconnect the electrical connector.
  5. Start the engine to verify the repair.

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