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Failure mode - Ram ProMaster 3.6L Pentastar V6 (2014-2025)

Fuel delivery: pump module, hard start and stall cluster

Reliability tier: aggregated - verify before ordering, see /disclosure/

Symptoms

Compare with the other causes of the same sign on this engine: hard start, long crank or no-start (2 causes) · stalls or dies while driving (2 causes)

Root cause

The in-tank pump module and its lock ring/oreg hardware; NHTSA fuel-delivery cluster (19, 2021-heavy). Two module variants by tank position - verify the tank before ordering.

Diagnosis

Fixes

fuel pump module replacement (tank variant matters) with new o-ring ()

Prevalence

occasional

Affected configurations (36)