5 Older Diesels That Just Keep Working, And 5 That Need Expensive Injectors

VW 1.9 TDI ALH Engine

Diesel engines have long had a reputation for toughness, especially in trucks and SUVs from the pre-emissions-control era. Before diesel particulate filters (DPFs), selective catalytic reduction (SCR) systems, and high-pressure common-rail injectors became the norm,…