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2019
toyota camry19 views

Rough Idle or Engine Misfire

Expert diagnosis and repair solutions for 2019 toyota camry Rough Idle or Engine Misfire. Get step-by-step fixes, cost estimates, and professional advice.

Expert Repair Solutions

1
medium$0 (covered under recall)
Replace the low-pressure fuel pump as part of the recall campaign 20V682000.
Source: https://www.nhtsa.gov/recalls?nhtsaId=20V682000

Repair Steps:

  1. Contact a Toyota dealership to schedule a recall service.
  2. Dealership will replace the fuel pump assembly with an improved version.
  3. Verify engine performance post-replacement.
2
easy$100-$150
Replace faulty spark plugs to resolve misfire issues.
Source: https://www.toyotanation.com/threads/camry-misfires-and-cel-p0301.1775553/

Repair Steps:

  1. Identify the misfiring cylinder using diagnostic tools.
  2. Remove and inspect the spark plug from the affected cylinder.
  3. Replace with a new spark plug and test engine performance.
3
medium$150-$250
Clean or replace dirty fuel injectors to improve idle smoothness.
Source: https://www.justanswer.com/car/roi5o-2019-camry-hybrid-when-engine-starts.html

Repair Steps:

  1. Use a fuel injector cleaning kit to clean the injectors.
  2. If cleaning does not resolve the issue, replace the injectors.
  3. Reassemble and test the engine for improved idle.
4
medium$0-$100 (if under warranty)
Update ECM calibration to address throttle body DTCs and improve engine performance in cold conditions.
Source: https://static.nhtsa.gov/odi/tsbs/2024/MC-10252262-9999.pdf

Repair Steps:

  1. Connect the vehicle to a diagnostic tool and check for DTCs.
  2. Update the ECM software as per TSB T-SB-0044-24.
  3. Perform a drive cycle to ensure the update has resolved the issue.

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