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For Consumers

Whether you drive a diesel car or operate a big rig, you can rely on the diesel additives from Power Service for year-round engine performance improvement, trouble-free winter operation and proper fuel tank hygiene. We are the diesel experts and any size diesel engine will run better with Power Service.

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For Industries

From some of the largest fleets in North America to large construction and mining operations, commercial industries rely on Power Service diesel additives to provide year-round diesel engine performance improvement, trouble-free winter operability and proper fuel tank hygiene.

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Learning Center

Find articles, videos, and helpful tips for maintaining your diesel engine. You'll also find product information, useful resources, and advice from our expert team.

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Diesel 9•1•1

Joe

Completely blown away. I had a Water In Fuel message pop up. I drained the separator 3 times. Continued to get the message. I saw no water in what I drained. Truck was now in limp mode. Took it to the dealer after being stranded for 4 days(I’m a hotshot hauler) at a truckstop because of a holiday. Dealer said there was water in the fuel. I asked to see this water. There wasn’t any. That’s just what the computer was telling them. Found out there was a Ford service bulletin stating some biodiesel can get moisture levels that are not regulated. The remedy was a $700 system flush and refill. Plus the cost of the dumped fuel and new fuel. I was at a loss. A friend had just been talking about 911. They let me run down to the store. I put this product in, shook the truck, started it, no lights or messages. It dissolved the moisture immediately. I mean as soon as it hit the tank. Been driving for 300 miles so far with no issues. I’m a bottle carrying believer now.

Tom Puskarich

Shuttling a tractor from WI to NE over the weekend of January 6 2018 when temps dropped to -15…near Dubuque IA the fuel filter gelled up and lost power…3 hours later I was able to obtain a bottle of 911…I added it to a 100 gallon tank and idled…just over an hour later the fuel filter dropped from 20 lbs to 12 lbs….I was able to continue and finish my trip….filter got down to 3 lbs and remained there

Julian lafontsee

Diesel 911 has worked great for me every winter. I add it to my tank in my RV and let it run for 10 minutes and every spring it starts right up with no gel problems.

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Performance, Winterization, and Fuel Tank Hygiene features
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