What does the code P1280 mean?

Error Code P1280 has different definitions but usually refers to a problem in the Fuel System Relay Circuit, or Injection Control Pressure (ICP).

Where is the ICP sensor on a 7.3 Powerstroke?

The ICP sensor is located on the driver side cylinder head towards the front of the engine near the high pressure oil pump.

What will a bad ICP sensor do?

A faulty sensor can throw off the fuel mixture and cause the engine to experience misfires, a loss in power and acceleration, a loss in fuel economy, and in some cases even stalling. Similar symptoms can also be produced by other issues, so a proper diagnosis is recommended to be sure of the issue.

What are the symptoms of a bad ICP sensor?

Symptoms of a Bad or Failing Injector Control Pressure Sensor

Starting issues. One of the first symptoms of a possible issue with the injector control pressure sensor is issues starting the engine.
Engine misfires and decrease in power, acceleration, and fuel economy.
Check Engine Light comes on.

What happens if you unplug your ICP sensor?

If you unplug the ICP sensor while the truck is running, and nothing changes at all, then your sensor is bad. If the sensor was good and functioning, you should hear a change in the idle because the PCM will bump up ICP.

How much HP does a 2002 7.3 have?

Late model 7.3s, 2000-2003 model years, came from the factory with 275 horsepower and 525 lb-ft of torque when paired with the 6-speed manual transmission.

How much horsepower does a 2002 7.3 Powerstroke have?

7.3L Power Stroke Specs

Engine:	7.3L Power Stroke diesel V-8
Peak Horsepower:	• 210 hp @ 3,000 rpm (intro horsepower rating, 1994 MY) • 275 hp @ 2,800 rpm (peak horsepower rating, 2003 MY)
Peak Torque:	• 425 lb-ft @ 2,000 rpm (intro torque rating, 1994 MY) • 525 lb-ft @ 1,600 rpm (peak torque rating, 2003 MY)