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2017
chevrolet silverado4 views

Check Engine Light On

Expert diagnosis and repair solutions for 2017 Chevrolet Silverado Check Engine Light On. Get step-by-step fixes, cost estimates, and professional advice.

Expert Repair Solutions

1
easy$10-$20
Inspect and replace the gas cap if it is loose, broken, or missing, as this is a common cause of the check engine light.
Source: https://www.autonationchevroletwestaustin.com/check-engine-light

Repair Steps:

  1. Inspect the gas cap for damage or looseness
  2. Replace the gas cap with a new one if necessary
  3. Reset the check engine light using an OBD-II scanner
2
medium$150-$300
Replace the faulty oxygen sensor, which can cause decreased fuel efficiency and trigger the check engine light.
Source: https://copperhead-diesel.com/blog/chevy-silverado-check-engine-light

Repair Steps:

  1. Locate the faulty oxygen sensor using an OBD-II scanner
  2. Disconnect the battery to ensure safety
  3. Remove the faulty sensor using a wrench
  4. Install the new oxygen sensor
  5. Reconnect the battery and clear the check engine light
3
medium$50-$100
Check and clean the barometric sensor, as its malfunction can lead to incorrect engine calculations and trigger the check engine light.
Source: https://www.reddit.com/r/AskMechanics/comments/n52cht/help_with_2017_silverado_53l_check_engine_light/

Repair Steps:

  1. Locate the barometric sensor in the engine bay
  2. Disconnect the sensor and inspect for dirt or damage
  3. Clean the sensor with appropriate cleaner
  4. Reconnect the sensor and test for proper operation
  5. Clear the check engine light using an OBD-II scanner
4
hard$200-$500
Inspect for loose or leaking charged air cooler ductwork, which can cause multiple DTCs and affect engine performance.
Source: Bulletin PIP5468E

Repair Steps:

  1. Visually inspect the charged air cooler ductwork for any signs of looseness or leaks
  2. Tighten or replace any loose or damaged ductwork
  3. Test drive the vehicle to ensure the issue is resolved
  4. Clear any remaining DTCs with an OBD-II scanner

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