Diesel Q&A
Focused questions about diesel truck maintenance, towing setups, mileage, engines, and buying decisions.
Should I buy a pre-emissions diesel truck?
When a pre-emissions diesel truck makes sense, and why age, rust, records, and drivetrain condition still matter.
Read answersWhat is a deleted diesel truck?
What deleted means on a diesel truck listing, and why emissions changes can affect legality, inspection, warranty, and resale risk.
Read answersIs an LBZ Duramax still worth buying?
When an LBZ Duramax is still a smart buy, and what condition, rust, tuning, and transmission checks matter most.
Read answersHow many miles can a 5.9 Cummins last?
How to evaluate high-mileage Ram trucks with the 5.9 Cummins by records, engine condition, transmission behavior, and rust.
Read answersIs the 6.7 Power Stroke reliable?
How to judge used Ford 6.7 Power Stroke reliability by records, emissions history, fuel-system condition, and inspection clues.
Read answersWhat mileage is too high for a Duramax?
How to judge high-mileage Duramax trucks using records, condition, and known platform checks.
Read answersIs a diesel dually worth it for towing?
When a diesel dually is worth the extra width, tires, and ownership cost.
Read answersWhat should I check before buying a used 6.7 Cummins?
Inspection points for used Ram trucks with the 6.7 Cummins diesel.
Read answersHow do I maintain a 7.3 Power Stroke?
A buyer-focused maintenance checklist for the Ford 7.3 Power Stroke diesel.
Read answersShowing page 4 of 4 across 45 published questions.