Reduced Performance or Malfunction Indicator Lamp Illuminated with DTC P0300 (Engine Misfire Detected) Set After Service or Replacement of the Charge Air Cooler – 2014-2019 Chevrolet Corvette

Bulletin No.: 18-NA-088
Date: March, 2018


Service Bulletin


INFORMATION


Subject: Reduced Performance or Malfunction Indicator Lamp Illuminated with DTC P0300 (Engine Misfire Detected) Set After Service or Replacement of the Charge Air Cooler
Brand: Model: Model Years: VIN: Engine: Transmissions:
from to
Chevrolet Corvette 2014 2019 6.2L (LT4 or LT5) All
Involved Region or Country North America and N.A. Export Regions
Additional Options (RPOs) Equipped with V8 Engine (RPO LT4 or LT5)
Condition Some customers may comment on reduced performance or an engine misfire during high ambient temperatures during track driving conditions.

During diagnosis, a technician may find DTC P0300 (Engine Misfire Detected) set or stored in the Engine Control Module (ECM).

Cause This may be due to the supercharger’s air charge cooler system not being properly evacuated and filled after service or replacement.
Correction See the proper procedure below for correction.

 

Service Procedure

If you encounter a vehicle with the above concern, complete the following:

  1. Drain and fill the charge air cooling system. Refer to Charge Air Cooling System Draining and Filling in SI.

Note: Use a 50/50 mixture of DEX-COOL coolant and clean, drinkable water.

Note: Always use more of the 50/50 mixture than necessary to eliminate air from being drawn into the cooling system.

 

Special Tools

Any time that the supercharger’s cooling system is replaced, removed or separated from the engine, it must be properly drained and filled using the following special tools:

 

Version 1
Modified Released March 19, 2018

Bulletin No.: 18-NA-088
Date: March, 2018

https://www.nhtsa.gov/recalls?nhtsaId=10137421

https://static.nhtsa.gov/odi/tsbs/2018/MC-10137421-9999.pdf

Download (PDF, 483KB)


 

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Last update on 2019-03-15 / Affiliate links / Images from Amazon Product Advertising API

Last update on 2019-03-15 / Affiliate links / Images from Amazon Product Advertising API

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