What does a fuel pressure code of p0087 mean?

When your vehicle’s Engine Control M (ECM) records a code of P0087, it means the fuel pressure in the system is below specification. Symptoms of a P0087 diagnostic trouble code may include a misfire because of a lean fuel condition, and the vehicle might run rough or lack power on acceleration.

Why is my Isuzu NPR throwing a p0087?

Im working on this 2007 Isuzu NPR, 5.2L. Its throwing a p0087 everytime you try to accelerate, and cuts engine power. The tech before me replaced the fuel pressure regulator and another sensor on the pump.

What are the common causes of DTC p0087?

Concurrent DTCs may include cylinder misfire, air-fuel ratio sensor, or fuel trim codes. What are the common causes of code P0087 ? Depending on year, make, and model, DTC P0087 may have number of causes. Here are some of the most common. High Mileage Vehicles or Bad Fuel – Fuel filters are designed to catch only a certain amount of contamination.

What’s the code for a bad fuel pump?

Bad Fuel Pump, Fuel Pressure Sensor Can Trigger ‘Check Engine’ Light, P0087 Code. Your car’s “Check Engine” or “Service Engine Soon” light can flash on for more than 1,400 different reasons.

What causes the fuel pressure code of p0087?

This code is set once the ECM has detected low fuel pressure at the fuel pressure sensor. Low fuel pressure causes the Check Engine Light to trigger by the ECM and a failsafe mode is enacted to prevent damage until repaired. What causes the P0087 code? What are the symptoms of the P087 code?

How to check your Isuzu NPR 5.2L code?

3. removed fuel “limiter” valve on the fuel rail. inspected for debris. everything looks good and because the fuel pressure kept up and full power, i dont really feel like this is failing me. 4. Reviewed data frame by frame to see if anywhere across the RPM band, the fuel desired vs actual is drastically different.

Why does my Isuzu NPR go into limp mode?

My thoughts are that happened because of the engine going into “limp” mode, ECM tells injection system to cut fuel and with no throttle input, no fuel going to rail. again, seems legit. As soon as the unit comes to a stop, the engine idles terribly, as if it has a couple cylinder miss fire.