Tomorrow's Technician

JANUARY 23, 2025

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.

Engineering 130

Engineering Troubleshooting IT 130

Tomorrow's Technician

DECEMBER 6, 2023

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.

Troubleshooting 130

Troubleshooting Engineering Vehicle IT 130

Tomorrow's Technician

NOVEMBER 20, 2023

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.

Troubleshooting 130

Troubleshooting Engineering Vehicle IT 130