Product details
Liqui Moly 5156 Pro-Line Diesel System Cleaner 500ml – Keep Your Diesel Engine Spot On
Looking for a straightforward way to keep your diesel engine in cracking condition? The Liqui Moly 5156 Pro-Line Diesel System Cleaner is just the ticket. This nifty additive helps cut down on nasty emissions and tidies up smoke opacity — a real lifesaver if you’re gearing up for an MOT emissions test. No one fancies faffing about with a fail, after all.
It’s suitable for pretty much any diesel engine you can throw at it — whether you’re rocking a Common Rail system, pumped-jet injection, or something along those lines. So, whether it’s your dependable workhorse or the family motor, this stuff helps keep the fuel system clean and running efficiently.
Why Bother With This Diesel System Cleaner?
Over time, diesel engines build up deposits and gunk that can drag down performance and crank up harmful emissions. This product gets stuck in, clearing out those pesky deposits from the entire fuel system. The result? Smoother running and better fuel economy. It’s especially handy after you’ve had a bit of a tinker with the fuel system — just chuck it in the tank during your next check-up or after any repairs.
For best results, it’s recommended you run it through your fuel over around 2,000 kilometres. Using it gradually helps shift stubborn grime and keeps your engine ticking over nicely for longer.
Bits and Bobs You Should Know
The bottle holds 500ml of additive — enough to treat a fair chunk of fuel at the recommended dose. It’s a lightweight 420g package, so you can easily stash it in your garage or keep it in the boot. Made in Germany by Liqui Moly, a brand that’s earned a solid rep for quality and reliability.
Just a heads-up: while it’s brilliant at cutting emissions and boosting engine performance, this isn’t a magic wand for major engine problems. Think of it as part of your regular maintenance routine to keep your diesel system tip-top.
So, if you’re after a no-nonsense way to reduce smoke, lower emissions, and keep your diesel engine running sweetly — without any faff or complicated rigmarole — the Liqui Moly 5156 Pro-Line Diesel System Cleaner is well worth a look.



