Torque Index reference
Reference
Living pages we keep updated as the data changes: symptoms and trouble codes engine by engine, used-truck buyer's checklists, recalls, bulletins and federal investigations, part numbers, side-by-side comparisons. Not dated posts; for those, see the blog.
Truck engine symptoms and trouble codes, engine by engine
Hard start, power loss, white smoke, coolant loss, ticking: the documented failures behind each sign on your engine, ranked, with how to tell them apart, the usual fix and recalls. Look up a code.
- 13 symptoms
- 110 engine pages
- 95 trouble codes
Used truck buyer's checklists, engine by engine
Going to see a used truck? Its engine's documented failures in inspection order: recalls to verify by VIN, cold start, codes, under the hood, the test drive, and what each repair costs.
- 27 engines
- 6 inspection steps
- repair budgets
Truck engine recalls and service bulletins, engine by engine
Every NHTSA safety recall that names one of our engines, the federal defect investigations still open or closed, and the manufacturer bulletins and programs tied to their known failures. Search by campaign number.
- 27 engines
- 80 safety recalls
- 131 bulletins and programs
- 22 federal investigations
Truck engine part number lookup: OEM, superseded and aftermarket
Type a Ford, Mopar, GM or aftermarket part number: what the part is, which engine it fits, the earlier numbers the maker superseded and the OEM numbers aftermarket parts replace.
- 1,191 numbers
- 692 parts
- 474 superseded numbers
Truck engine repair costs, engine by engine
What the parts cost to fix each documented failure, from a sensor to a high-pressure fuel system, all engines on one page, with the biggest bills first and a repair plan behind every line.
- 81 priced failures
- 21 engines
- parts only, no labor
Engine oil, filters and coolant, from the owner's manuals
How much oil each engine takes, which grade, the maker's oil specification and the filter part numbers, copied from Ford, Ram and GM owner's manuals with a link to each one.
- 17 engines
- 14 owner's manuals
- checked against the manual text
Which engine and axle is in my truck?
The 8th character of the VIN tells the engine: the code for every engine we cover, truck by truck and year by year. Plus the axle sizes and gear ratios each truck line was built with.
- 190 engine codes
- 30 truck lines with axles
- from NHTSA and AAM data
Lift pump sizing: fuel flow by engine and horsepower
How much lift pump flow each Cummins, Power Stroke and Duramax generation needs from stock to 1,500 hp, as FASS rates its pumps, and why a starved injection pump is the expensive failure.
- 23 engine generations
- stock to 1,500 hp
- the maker's ratings
Comparisons
Engines a buyer weighs against each other, side by side: what fails, what was recalled, what the repairs cost.
6.0 vs 6.4 vs 6.7 Power Stroke: problems, recalls and repair costs compared
The three Super Duty Power Stroke diesels side by side: the 6.0 (2003-2007), the 6.4 (2008-2010) and the 6.7 (2011+). What fails on each, what was recalled, what the repairs cost, with sources.
- 32 failure modes
- 16 safety recalls
- repair budgets
5.9 vs 6.7 Cummins: problems, recalls and repair costs compared
The Ram Heavy Duty Cummins diesels side by side: the 5.9 (1994-2007), the 6.7 of 2007.5-2018 and the 6.7 in the 2019+ Ram HD. What fails, what was recalled, what the repairs cost, with sources.
- 33 failure modes
- 22 safety recalls
- repair budgets
Duramax LML vs L5P: problems, recalls and repair costs compared
The two SCR-era Duramax diesels side by side: the LML (2011-2016) with the Bosch CP4.2 and the L5P (2017+) with the Denso HP4. What fails on each, what was recalled, what the repairs cost, with sources.
- 19 failure modes
- 4 safety recalls
- repair budgets
Half-ton diesels compared: EcoDiesel vs 3.0 Power Stroke vs 3.0 Duramax
The three 3.0-liter half-ton diesels on one page: what fails, what was recalled and what the common repairs cost, with every source.
- 3,034 owner complaints
- 11 recalls and bulletins
- repair prices