Car Fixed
GarageProLogin
2013
nissan altima3 views

Rough Idle or Engine Misfire

Expert diagnosis and repair solutions for 2013 nissan altima Rough Idle or Engine Misfire. Get step-by-step fixes, cost estimates, and professional advice.

Expert Repair Solutions

1
medium$100-$150
Inspect and replace faulty spark plugs to resolve rough idle and misfire issues.
Source: https://repairpal.com/nissan/altima/2013/rough-idle

Repair Steps:

  1. Remove the engine cover to access the spark plugs.
  2. Disconnect the ignition coil connectors.
  3. Remove the ignition coils and spark plugs.
  4. Install new spark plugs and reassemble the ignition coils and engine cover.
2
medium$50-$200 depending on the severity of the leak
Check for vacuum leaks and repair any found to improve engine idle quality.
Source: https://www.altimaforums.net/threads/rough-idle-in-drive-or-reverse.55940/

Repair Steps:

  1. Use a vacuum gauge to test for leaks in the intake system.
  2. Inspect vacuum hoses and connections for cracks or disconnections.
  3. Replace or repair any damaged hoses or connections.
3
medium$150-$300
Replace the ignition coils if they are found to be faulty, which can cause misfires.
Source: https://shop.advanceautoparts.com/r/advice/car-maintenance/common-problems-of-the-nissan-altima-and-how-to-fix-them

Repair Steps:

  1. Remove the engine cover to access the ignition coils.
  2. Disconnect the electrical connectors from the ignition coils.
  3. Remove the bolts securing the ignition coils and remove them.
  4. Install new ignition coils and reassemble the components.
4
easy$20-$50
Clean the throttle body to remove carbon build-up that can cause rough idle.
Source: https://www.justanswer.com/nissan/bfdsb-2013-nissan-altima-2-5-sv-rough-idle.html

Repair Steps:

  1. Remove the air intake duct to access the throttle body.
  2. Use a throttle body cleaner to spray and clean the inside of the throttle body.
  3. Wipe away any carbon deposits with a clean cloth.
  4. Reassemble the air intake duct.
5
hard$100-$200
Reprogram the ECM if a software update is available to address rough idle issues.
Source: https://static.nhtsa.gov/odi/tsbs/2019/MC-10161343-9999.pdf

Repair Steps:

  1. Connect a diagnostic tool to the vehicle's OBD-II port.
  2. Check for any available ECM updates using the diagnostic tool.
  3. Follow the tool's instructions to reprogram the ECM with the latest software.
  4. Verify the update by checking for improved idle performance.

Get a Personalized Diagnosis

Get AI-powered repair suggestions specific to your vehicle's symptoms and history.

Start Free Diagnosis →
Browse more common problems