Diesel Engine Durability – What Happens Inside Your Engine Can Cost You Big!
When you think about diesel engine durability, you probably picture rugged reliability and long service life. But inside even the most dependable engine, there could be a silent threat building up — one that robs you of power, fuel efficiency, and eventually your hard-earned dollars.
This threat is known as Internal Diesel Injector Deposits (IDID) — and if you're not paying attention to your fuel system, it's likely already affecting your engine's performance.
The Silent Killer Inside Your Injectors
Modern diesel engines run with incredibly tight tolerances and high injection pressures — often over 30,000 psi. While this enables better fuel atomization and emissions performance, it also makes injectors highly sensitive to contaminants.
IDID forms when unstable fuel molecules, oxidation byproducts, and contaminants adhere to the internal moving parts of the fuel injector. Over time, this sludge-like buildup restricts needle movement, alters injection timing, and degrades spray patterns.
The result?
Hard starting
Rough idle and knocking
Loss of power
Increased fuel consumption
Potential injector and engine failure
And here's the kicker — these symptoms often go misdiagnosed as mechanical wear or sensor failure, leading to costly repairs that don’t address the real issue.
Can It Be Fixed? Yes — But Prevention is Better
The good news is that IDID can be flushed out and prevented — but only with the right chemistry.
A high-quality diesel fuel additive with proven detergency and deposit control technology can:
Break down and remove IDID from inside injectors
Prevent new deposits from forming
Restore lost power and fuel economy
Protect high-pressure fuel systems from long-term damage
At DSG Power Systems, we’ve seen firsthand how a deep-clean flush using our 4+ Super Clean Additive, followed by regular use of 4+ Premium Conditioner, transforms engine behavior almost immediately.
Don’t Wait Until It’s Too Late
Engine repairs due to injector failure can run into the thousands. The cost to treat and prevent IDID? Just cents per litre.
If you rely on your diesel engine for work, farming, or transportation, don’t let hidden deposits cost you downtime and revenue. Ask us how to schedule a fuel system flush or start a regular additive program that protects your investment.
Replacing fuel injectors or high-pressure pump can easily cost $20,000 or more. It’s a no-brainer to treat ad filter your diesel fuel for a fraction of the cost!