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2019
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Rough Idle or Engine Misfire

Expert diagnosis and repair solutions for 2019 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 address misfire and rough idle.
Source: https://repairpal.com/ram/1500/2019/rough-idle

Repair Steps:

  1. Locate and 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 the coils.
  4. Remove the old spark plugs using a spark plug socket.
  5. Install new spark plugs and torque them to the manufacturer's specifications.
  6. Reinstall the ignition coils and secure them with bolts.
  7. Reconnect the electrical connectors and replace the engine cover.
2
medium$200-$400
Clean or replace clogged fuel injectors to resolve misfire issues.
Source: https://www.ramforumz.com/threads/2019-ram-1500-misfire.293105/

Repair Steps:

  1. Disconnect the battery to ensure safety.
  2. Remove the fuel rail to access the injectors.
  3. Carefully disconnect the fuel injector connectors.
  4. Remove the injectors and inspect them for clogs or damage.
  5. Clean the injectors using a specialized fuel injector cleaner or replace them if necessary.
  6. Reinstall the injectors and fuel rail, ensuring all connections are secure.
  7. Reconnect the battery and test the engine for improved performance.
3
easy$100-$150
Perform a PCM software update to address rough idle and misfire during engine warm-up.
Source: https://static.nhtsa.gov/odi/tsbs/2020/MC-10187710-9999.pdf

Repair Steps:

  1. Connect a diagnostic tool to the vehicle's OBD-II port.
  2. Check for any existing Diagnostic Trouble Codes (DTCs) related to misfire or rough idle.
  3. Download the latest PCM software update from the manufacturer's website.
  4. Use the diagnostic tool to flash the PCM with the new software update.
  5. Clear any existing DTCs and test the engine for improved idle and performance.

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