Diesel Q&A
Focused questions about diesel truck maintenance, towing setups, mileage, engines, and buying decisions.
Is high idle time bad on a diesel truck?
Why diesel idle hours matter, how to compare them with mileage, and what high idle time means for used truck buyers.
Read answersWhat is the best diesel truck engine for towing?
Why the best diesel engine for towing depends on payload, transmission, condition, records, and trailer match, not reputation alone.
Read answersWhat does diesel engine blow-by mean?
What blow-by means on a diesel engine and how buyers should use it with other inspection clues before buying.
Read answersHow do I spot heavy towing use on a used diesel truck?
Inspection clues that a used diesel truck has lived a heavy towing life, from hitch hardware to transmission and brake wear.
Read answersShould I buy a 4x4 or 4x2 diesel truck?
How to choose between 4x4 and 4x2 diesel trucks based on weather, towing, job sites, ownership cost, and resale.
Read answersIs a crew cab long bed diesel hard to live with?
When a crew cab long bed diesel makes sense, and what to consider for parking, daily driving, towing, and bed utility.
Read answersWhat should I look for in a diesel truck under $30,000?
How to shop diesel trucks under $30,000 by focusing on records, rust, drivetrain condition, towing use, and immediate maintenance budget.
Read answersShould 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.
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