2019 Corvette ZR1 - Service Update Bulletin - 18267 Flames From Exhaust Due To Misfire - Flames Self Extinguish
18267 Flames From Exhaust Due To Misfire - Flames Self Extinguish
Reference Number: N182173240
Release Date: September 2018
Condition: Certain 2019 model year Chevrolet Corvette vehicles equipped with RPO LT5 (6.2L SUPERCHARGED V8), a fuel injector may be commanded on for 7.5 seconds when exiting deceleration fuel cutoff, causing the engine to misfire. If this misfire condition were to happen, flames could potentially exit the exhaust and may damage the rear fascia and ZR1 badge.
Correction: Reprogram the engine control module. (ECM)
Full document is attached below.