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fuel injectors

Certain 2019 Chevy Corvette vehicles equipped with the LT5 6.2L supercharged V8 engine may experience a fuel injector commanded on for 7.5 seconds when exiting deceleration fuel cutoff, causing the engine to misfire. This may result in excess fuel in the exhaust causing flames to exit the tailpipes, which may damage the rear fascia and the ZR1 badge.

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Dirty Honda Injectors

This bulletin applies to 2018-2019 Honda Odyssey, 2016-2019 Pilot and 2017-2018 Ridgeline vehicles. The MIL may come on with DTC P0300 (random misfire detected) and/or P0301-P0306 (cylinder misfire detected), or P219A/B (air-fuel ratio variation of cylinder (bank 1, rear bank/bank 2, front bank)

Ram Fuel Injector Short

This bulletin applies to 2017 Dodge RAM 3500, 4500/5500 trucks equipped with a 6.7L Cummins diesel engine and built on or after Nov. 23, 2016, and on or before March 17, 2017. The bulletin involves inspection testing and replacement of the fuel injectors.

Kia GDI Replacement Caution

This bulletin provides information about the replacement of the GDI (gasoline direct injection) fuel injectors in some Sorento vehicles produced 12/17/2012 to 12/11/2014; Optima QF produced 07/28/2013 to 10/02/2015; Optima TF produced 09/09/2013 to 07/23/2015; and Sportage SL produced 09/01/2013 to 12/01/2014, which may exhibit a MIL on, along with DTCs P0263, P0266, P0269 and/or P0272.

Redesigned Porsche Injector Clamp

When servicing a 2014 Porsche Cayenne equipped with a 4.8L engine’s fuel injection system, be aware that the injector O-ring can be damaged by the clamping ring.

Caddy Code

Owners of 2004-2013 Cadillac CTS models may comment about an SES light on, with no drivability concerns. The technician may find DTC P2097 or P2099. The most common concerns related to this condition involve the fuel injectors.

Fuel According to GM

Apparently, General Motors does not endorse, support or acknowledge the need for fuel injector cleaning as a preventive maintenance procedure. According to GM, fuel injector cleaning is approved only when performed as directed by a published GM driveability or DTC diagnostic service procedure.

Don’t Let the Caddy Fool You

Owners of 2007-2011 Cadillac CTS, SRX or STS models may comment about a check engine light on during or after a crank-no-start event or a hard start/extended crank. A DTC P0336 may be stored.

Buick Rubbed the Wrong Way

This bulletin applies to 2013 Buick Enclave vehicles. The SES light may be on with misfires and any of the following injector-related codes: