WYNNSDiesel Extreme Cleaner - Pack of 2

Use them regularly for a clean engine . Does the job well.

My engine vans engine smooth now after using this product thanks to the seller

This is a good product and it does actually make a difference . Have tried other products in the past and seen no improvement in performance, that is not the case with this product .It actually works and does restore lost performace to the car. Have been using this product for our cars for around a year now and roughly every 4 months we put a bottle in and it makes a real difference .

, Took the car out of limp mode worked for a bit so pretty good.

I put some in my 3.0 diesel Bremer and it really did improve performance and miles per gallon! Usually lucky to get 36 mpg but drove 450 miles and she averaged 40!! Well pleased!

It's a good product

Lumpy series3 landrover transformed by this. Smoother idling better starting.

Didn’t do what it said it would, won’t buy it again, money for old rope.