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Acura High-Pressure Fuel Pump 

Tomorrow's Technician

Chirping From Pump MODELS 2014-18 MDX 2015-19 TLX 2014-18 RLX 2014-16 RLX Hybrid SYMPTOM The high-pressure fuel pump area chirps after the engine is warm. This noise does not impact the pump engine function or reliability. Coat the roller, O-ring and cam around the bore of the lifter with clean engine oil.

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Acura Frozen Starter Causes No Start

Tomorrow's Technician

MODELS 2016–2020 MDX (except Hybrid) 2022–2023 MDX (except Type S) 2015–2020 TLX V6 CONDITION The engine will not crank on the initial startup attempt after the vehicle has been exposed to precipitation and then freezing temperatures. In cold temperatures, the water can freeze, preventing the starter motor from cranking the engine.

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Acura Frozen Starter Causes No Start

Tomorrow's Technician

MODELS 2016–2020 MDX (except Hybrid) 2022–2023 MDX (except Type S) 2015–2020 TLX V6 CONDITION The engine will not crank on the initial startup attempt after the vehicle has been exposed to precipitation and then freezing temperatures. In cold temperatures, the water can freeze, preventing the starter motor from cranking the engine.