Rough Idle or Engine Misfire

Expert diagnosis and repair solutions for 2013 ram 1500 Rough Idle or Engine Misfire. Get step-by-step fixes, cost estimates, and professional advice.

Expert Repair Solutions

medium$150-$300

Replace faulty spark plugs and ignition coils to resolve misfire issues.

Source: https://repairpal.com/ram/1500/2013/rough-idle

Repair Steps:

Inspect spark plugs for wear or damage
Replace any faulty spark plugs
Inspect ignition coils for damage
Replace any faulty ignition coils

medium$100-$200

Check for and repair any vacuum leaks to improve engine idle quality.

Source: https://www.ramforumz.com/threads/rough-idle-sounds-like-a-misfire-but-no-codes-mpg-drop-too.233851/

Repair Steps:

Inspect all vacuum hoses for cracks or disconnections
Replace or repair damaged hoses
Use a smoke machine to detect hard-to-find leaks
Seal any detected leaks

hard$200-$500

Perform a fuel system inspection and clean or replace components as necessary.

Source: https://www.manahawkinchryslerdodge.net/how-to-fix-a-misfiring-ram-engine

Repair Steps:

Inspect fuel injectors for clogs or damage
Clean or replace clogged fuel injectors
Check fuel pressure and ensure it is within specifications
Replace fuel filter if necessary

medium$100-$200

Reprogram the Powertrain Control Module (PCM) to address engine misfire issues.

Source: https://static.nhtsa.gov/odi/tsbs/2025/MC-11013168-0001.pdf

Repair Steps:

Connect vehicle to diagnostic tool
Download and install the latest PCM software update
Verify the update resolves the misfire issue
Test drive the vehicle to ensure proper operation

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