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2007
nissan altima23 views

Rough Idle or Engine Misfire

Expert diagnosis and repair solutions for 2007 nissan altima 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 to resolve engine misfire and rough idle.
Source: https://repairpal.com/nissan/altima/2007/rough-idle

Repair Steps:

  1. Identify the faulty ignition coil using an OBD-II scanner.
  2. Purchase a replacement ignition coil compatible with the 2007 Nissan Altima.
  3. Disconnect the battery to ensure safety.
  4. Remove the engine cover and locate the ignition coils.
  5. Unplug the electrical connector and remove the faulty coil.
  6. Install the new ignition coil and reconnect the electrical connector.
  7. Reattach the engine cover and reconnect the battery.
2
easy$10-$50
Clean the throttle body to improve idle quality and reduce misfire symptoms.
Source: https://forums.nicoclub.com/idle-issue-stutter-solved-t616320.html

Repair Steps:

  1. Disconnect the negative battery terminal.
  2. Remove the air intake duct to access the throttle body.
  3. Spray throttle body cleaner onto a clean cloth or directly onto the throttle body.
  4. Gently scrub the throttle body to remove carbon buildup.
  5. Reassemble the air intake duct and reconnect the battery.
3
medium$50-$100
Inspect and replace spark plugs if fouled or worn to prevent misfires.
Source: https://www.justanswer.com/nissan/h6dht-2007-nissan-altima-started-misfiring-really.html

Repair Steps:

  1. Remove the engine cover to access the spark plugs.
  2. Use a spark plug socket to remove each spark plug.
  3. Inspect the spark plugs for wear or fouling.
  4. Replace any damaged or worn spark plugs with new ones.
  5. Reinstall the engine cover.
4
medium$0-$100
Check for vacuum leaks and repair any found to stabilize engine idle.
Source: https://repairpal.com/nissan/altima/2007/rough-idle

Repair Steps:

  1. Visually inspect vacuum hoses for cracks or disconnections.
  2. Use a smoke machine to detect hidden leaks in the vacuum system.
  3. Replace any damaged vacuum hoses.
  4. Ensure all connections are secure and test the engine idle.

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