Rough Idle Crank No Start Extended Crank Or Misfire Due to Excessive Carbon On Top of the Valves or Sticking Valves – GM Passenger Cars & Trucks

2017 Chevrolet Suburban

NHTSA ID Number: 10176607 Manufacturer Communication Number: 16NA383 Summary This technical bulletin advises of a new fuel injection cleaner kit used for decarbonizing the intake valves to correct conditions of rough idle, Crank no start, extended crank or misfire, MIL with DTCs, and explains how Top Tier fuels should be used to reduce carbon build-up.   1174 …

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SES Light with Misfire Codes or Possible Oil or Coolant Leak – 2010-2020 Buick Cadillac Chevrolet GMC

2019 Chevrolet Camaro

NHTSA ID Number: 10178361 Manufacturer Communication Number: PIP5095G   Summary This Preliminary Information communication provides information to the technician about vehicles that have a Service Engine Soon and may also have an oil or coolant leak. Technician may find coolant or oil in a spark plug tube. If the Spark Plug Tube is leaking  and it is …

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Cold Start Misfires – 2014-2016 Cadillac Chevrolet GMC

2016 Chevrolet Corvette

NHTSA ID Number: 10127175 Manufacturer Communication Number: PIP5323 Summary This Preliminary Information communication provides information to the technician about vehicles with misfires or roughness on cold start up. Technician may find a Diagnostic Trouble Code P0300 stored. Technician will add coolant dye to the system, run engine through warm up, pressurize the cooling system on a cold …

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New Service Calibrations For the ECM and TCM to Correct a Variety of Concerns -2015 Chevrolet Colorado & GMC Canyon

2015 Chevrolet Colorado

NHTSA ID Number: 10137518 Manufacturer Communication Number: PIP5303B Summary This Preliminary Information communication provides information to the technician about vehicles with a flashing or solid malfunction indicator lamp with a misfire, rough idle, or a cruise engagement bump has too much feel. Technician may find diagnostic trouble code of P0326 or P0331. Reprogram the engine control module …

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Engine Misfire/Tick Noise. Malfunction Indicator Lamp (MIL) Illuminated with DTC P0300 Set – 2014-2018 Cadillac Chevrolet & GMC

2018 Cadillac Escalade

NHTSA ID Number: 10187628 Manufacturer Communication Number: 150601002K   Summary This service bulletin provides a procedure to repair the valve lifter oil manifold and/or lifters to correct the customers concern of engine misfire, ticking noise and/or MIL Illuminated.   64 Affected Products Vehicles MAKE MODEL YEAR CADILLAC CTS 2016-2019 CADILLAC ESCALADE 2015-2019 CADILLAC ESCALADE ESV 2015-2019 CHEVROLET …

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