Why is my diesel getting bad fuel mileage?

Why is my diesel getting bad fuel mileage?

A bad fuel injector or dirty/old fuel filter can drastically affect the flow of fuel into the engine. A fuel system problem is one of the most common causes of poor gas mileage. The more you run your A/C, the lower gas mileage you will get.

How do I get the most fuel out of my Diesel?

12 Tips to Improve Diesel Fuel Mileage

1. Turn your engine off.
2. Use shore power when you can.
3. Avoid revving the engine.
4. Find your engine’s sweet spot and run with it.
5. Use your air conditioner as sparingly as possible.
6. Anticipate upcoming traffic lights.
7. Maintain an extended following distance.

Can a Dodge Ram 1500 get poor gas mileage?

Here’s how to diagnose poor gas mileage. This article applies to the Dodge Ram 1500 (1994-2001). Trucks aren’t exactly known for being very fuel efficient to begin with, and when they aren’t running at their most optimum level, it can be even worse. There are a number of reasons why vehicles can suddenly become more thirsty in regard to fuel.

Why does my Dodge Ram 2500 have no power?

Customer complaint was severe lack of power and performance on this 05 Dodge Ram 2500 Diesel 5.9 Cummins. I graphed the data with my Snap-on Modis. It really felt like loss of fuel or an excessive exhaust back pressure issue.

What kind of power does a Dodge Ram 2500 have?

Customer complaint was severe lack of power and performance on this 05 Dodge Ram 2500 Diesel 5.9 Cummins. Other concern was poor shifting. I took the truck for a test drive as I graphed the data with my Snap-on Modis. There were no noticeable power or performance issues under light load.

Is it bad to drive a diesel like a gas engine?

The big problem is they are still driving them like a gas engine. And if you want to drive that way, you will not hurt the engine at all, but your fuel economy will suffer. For best fuel economy, diesels in general just like to loaf while doing their work.

What causes a Dodge 2500 diesel to lose power?

99 dodge 2500 diesel 5.9 loses power under load going up hills. If I put the pedal… 99 dodge 2500 diesel 5.9 loses power under load going up hills. If I put the pedal to the floor the truck will buck.

What’s the fuel pressure on a Dodge 2500?

Problem started in June and since I have replaced the Apps sensor in October 2012. Fuel pressure is 16 psi under load at vp44, no restriction in air filter or fuel filter or fuel screen in tank; checked and tightened tubing from turbo to intercooler, put new gaskets under air heater and intake tube.

Why do Cummins diesels get better fuel mileage?

Ten’s of thousands of hard-working diesel truck owners just like you are now experiencing incredible money saving fuel mileage gains and more towing power because they upgraded their trucks with the easy to install MPG Performance Module.

What are the problems with a Cummins 5.9 engine?

Despite the reliability of the Cummins 5.9, its fuel system is its Achilles heel. As discussed above, the fuel injectors are responsible for spraying highly pressurized fuel into the engines cylinders. With the 5.9’s fuel pumps flowing north of 25,000psi, the injectors face a significant amount of stress.