If you drive a diesel, you may have chosen the vehicle for the track record of steady and consistent performance when put under pressure. If your truck isn’t running smoothly, there are some things you can do on your own before heading to the mechanic to check on performance. One of the key ways to improve engine performance is the tuning or installation of Airdog Fuel Pressure components. However, if you are going to do the work on your own, there are some things to keep in mind.

  1. Do not remove the stock fuel pressure regulator until the fuel pressure gauge has been installed. It also needs to stay installed until you have tweaked the new one and made all the final adjustments.
  2. You should never use a liquid-filled fuel pressure gauge on your tuning applications. You cannot get a consistent reading when the gauge temperature keeps changing.
  3. When changing the regulator out, set the adjustable regulator with the fuel pressure reading from the stock regulator. Don’t check the base fuel pressure with the vacuum or boost line still connected. Don’t forget to reconnect it before you get back on the road.
  4. As you start adjusting the pressure, always start higher than the stock pressure recommendations. This prevents damages to the engine during the early stages of tuning, as you already hovering where the engine needs to be for fuel intake.
  5. Make your adjustments and changes incrementally. Keep an accurate measurement of the results. For this to happen, complete the tuning at the wheel dyno or at the track for the safest way to observe and assess the results.
  6. Once you can no longer see any improvements in the performance, stop making adjustments. You aren’t going to get the results you want you to have to lower the pressure in order to improve horsepower. The final pressure settings should be at least 1-2 psi higher than the pressure that demonstrated the lean best power.

Increased engine efficiency can do a lot for your overall truck performance. One area to start with adjustments is the fuel pressure and increasing your intake.

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