Can a diesel engined car with common-rail technology get through flooded street as well as the conventional diesel engined car?

Answer 1

The first thing that limits ANY VEHICLE going through water is the height of the AIR INTAKE for the engine. Loosely speaking, if your air intake is at the height of the top of your vehicle ( the top of the cabin ) that is the depth of water your DIESEL VEHICLE could go through, only problem is it would Float away while you werte attempting this. You see what I mean.

If you suck water into your motor through your AIR INTAKE. KAPUT !!! One wrecked motor. Got my drift !

If its a diesel it will go pretty well anywhere. your AIR is what governs you.

Cheers.

Note the air intake height does matter but, common rail diesels are controlled by wire (electronics) you can drive through water with no problems but the contaminates in flood water will over time cause corrosion in the wiring contacts and black boxes.

Also note: That the postioning and the quality of the seal on the engine's management system can affect the depth as well. Some cheaper vehicles have poor quality seals on the Management computer, which will allow water to enter the system. This has the same effect as pouring water onto a laptop. Also, most common rail diesel engines have very strict oil and lubrication requirements, and if water enters the oil system (through a cracked oil breather for example) it can destroy the engine in a very short space of time.