engine sludge

[′en·jən ‚sləj]

(engineering)

The insoluble products of degradation of lubricating oils and fuels formed during the operation of an internal combustion engine.

References in periodicals archive ?

End of test engine inspections were performed and the average engine sludge data are shown in Figure 11.

Engine Oil Components Effects on Turbocharger Protection and the Relevance of the TEOST 33C Test for Gasoline Turbocharger Deposit Protection

RAY: First of all, while denatured alcohol is a solvent, we have no idea whether it does anything to remove engine sludge.

Additive doesn't remove sludge

* Check for engine sludge or severe varnish buildup.

Buy a worry-free used car

In addition, the coatings also reduce engine sludge build-up, allowing the engine to maintain balance for more horsepower.

Diamonex introduces DLC coatings

Diesels suffer from the problem of soot build-up to a greater extent than petrol engines and so the oil you put in the sump needs to have greater soot handling abilities to prevent the build-up of engine sludge.

Getting the best out of your diesel; Diesel cars are proving extremely popular, not only out-stripping their petrol rivals in sales but also beating them at the race track too. STEVE WALKER advises owners on caring for their diesels