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2016
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Rough Idle or Engine Misfire

Expert diagnosis and repair solutions for 2016 ram 1500 Rough Idle or Engine Misfire. Get step-by-step fixes, cost estimates, and professional advice.

Expert Repair Solutions

1
medium$150-$300
Inspect and replace faulty spark plugs and ignition coils to resolve rough idle and misfire issues.
Source: https://repairpal.com/ram/1500/2016/rough-idle

Repair Steps:

  1. Remove the engine cover to access the spark plugs.
  2. Inspect each spark plug for wear or damage.
  3. Replace any faulty spark plugs with new ones.
  4. Inspect ignition coils for signs of damage and replace if necessary.
2
medium$100-$200
Address vacuum leaks by inspecting and replacing damaged hoses or gaskets.
Source: https://www.ramforum.com/threads/rough-idle-misfires-rough-acceleration-any-help.144860/

Repair Steps:

  1. Use a smoke machine to identify any vacuum leaks in the engine bay.
  2. Inspect hoses and gaskets for cracks or wear.
  3. Replace any damaged components to restore proper vacuum pressure.
3
medium$200-$400
Clean or replace fuel injectors to resolve misfire symptoms.
Source: https://www.justanswer.com/dodge/qpaou-p0303-cylinder-misfire-dodge-ram-2016-ram-1500-3-6l-slt.html

Repair Steps:

  1. Remove the fuel rail to access the injectors.
  2. Inspect each injector for clogs or damage.
  3. Use a fuel injector cleaning kit to clean the injectors.
  4. Replace any injectors that are beyond cleaning.
4
easyFree under warranty or recall
Update the Powertrain Control Module (PCM) software to address engine misfire and rough idle.
Source: https://static.nhtsa.gov/odi/tsbs/2025/MC-11013168-0001.pdf

Repair Steps:

  1. Visit a certified dealer to have the PCM software updated.
  2. Ensure all related recalls are addressed during the visit.
  3. Test drive the vehicle to confirm the issue is resolved.
5
hardFree under recall
Replace the Exhaust Gas Recirculation (EGR) cooler under recall to prevent combustion in the intake manifold.
Source: Recall 19V757000

Repair Steps:

  1. Contact a certified dealer to schedule a recall service.
  2. Have the EGR cooler replaced as per the recall instructions.
  3. Inspect the intake manifold for any signs of damage and replace if necessary.

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