2018
nissan altima25 viewsCheck Engine Light On
Expert diagnosis and repair solutions for 2018 nissan altima Check Engine Light On. Get step-by-step fixes, cost estimates, and professional advice.
Expert Repair Solutions
1
easy$10-$30Replace or tighten the gas cap to resolve the Check Engine Light issue caused by a loose or missing gas cap.
Source: https://www.autonationnissanchandler.com/service/check-engine-light.htm
Repair Steps:
- Inspect the gas cap for damage or looseness
- Tighten the gas cap until it clicks
- Replace the gas cap if damaged
2
hard$900-$2500Replace the catalytic converter if it is failing, which can cause the Check Engine Light to illuminate due to emission system issues.
Source: https://www.dwnissan.com/nissan-check-engine-light.htm
Repair Steps:
- Diagnose the catalytic converter using an OBD-II scanner
- Remove the old catalytic converter
- Install a new catalytic converter
- Clear any related DTCs from the vehicle's computer
3
medium$150-$300Replace the oxygen sensor if it is faulty, as this can trigger the Check Engine Light due to incorrect air-fuel mixture readings.
Source: https://www.nissanattheavenues.com/2018-nissan-altima-check-engine-light.htm
Repair Steps:
- Use an OBD-II scanner to identify a faulty oxygen sensor
- Locate the faulty oxygen sensor on the exhaust system
- Remove the old oxygen sensor
- Install a new oxygen sensor
- Clear any related DTCs from the vehicle's computer
4
mediumFree under recallUpdate the back-up camera settings software as part of Recall Campaign 19V654000 to ensure compliance with FMVSS number 111.
Source: https://static.nhtsa.gov/odi/rcl/2019/RCLRPT-19V654-4154.PDF
Repair Steps:
- Contact a Nissan dealer to schedule a recall service
- Have the dealer update the back-up camera settings software
- Verify the back-up camera displays correctly in reverse gear
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