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2022
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Rough Idle or Engine Misfire

Expert diagnosis and repair solutions for 2022 ram 1500 Rough Idle or Engine Misfire. Get step-by-step fixes, cost estimates, and professional advice.

Expert Repair Solutions

1
medium$150-$300
Replace faulty spark plugs and ignition coils to resolve rough idle and misfire issues.
Source: https://repairpal.com/ram/1500/2022/rough-idle

Repair Steps:

  1. Inspect and identify faulty spark plugs and ignition coils.
  2. Purchase OEM or high-quality aftermarket replacements.
  3. Remove the engine cover and disconnect the battery.
  4. Replace the spark plugs and ignition coils.
  5. Reconnect the battery and test the engine for smooth operation.
2
hard$300-$600
Clean or replace fuel injectors to address misfires and improve engine performance.
Source: https://5thgenrams.com/community/threads/engine-troubles-rough-idle.33412/

Repair Steps:

  1. Use a fuel injector cleaning kit to clean the injectors.
  2. If cleaning is ineffective, remove and replace the fuel injectors.
  3. Ensure proper installation and check for leaks.
  4. Test the engine to confirm resolution of misfire issues.
3
easy$50-$150
Address vacuum leaks which can cause rough idle by inspecting and replacing damaged hoses.
Source: https://www.ramforum.com/threads/rough-idle-while-waiting-at-a-stop.287742/

Repair Steps:

  1. Inspect all vacuum hoses for cracks or disconnections.
  2. Replace any damaged hoses with new ones.
  3. Ensure all connections are secure and free of leaks.
  4. Start the engine and listen for any hissing sounds indicating a vacuum leak.
4
medium$100-$200
Reprogram the Powertrain Control Module (PCM) to address software-related misfire issues.
Source: https://static.nhtsa.gov/odi/tsbs/2025/MC-11013168-0001.pdf

Repair Steps:

  1. Visit a dealership or qualified service center.
  2. Request a PCM software update as per TSB 18-046-24.
  3. Ensure all vehicle systems are functioning correctly post-update.
  4. Test drive the vehicle to confirm the resolution of the issue.

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