i would check the wires, you might have a short to power which would keep the injectors open all the time.
The fuel injector pressure regulator is located in the injector fuel pump. Most pressure regulators cannot be separated from the fuel injector pump.
It has a spider injector system which also has a regulator.
If it is just one injector, it is a bad injector or a problem in the wiring harness or connector for that injector. If it is all of the injectors, it could be a fuse, the entire injector harness, a broken loose or unplugged connector on the injector harness, or the fuel pump or fuel pressure regulator.
where is located the fuel injector presssure regulator on a 1999 ford explorer 5.0 liter engine?
Take off the upper intake, the regulator is on the backside of the fuel injector unit spider.
Answeron the injector rail...follow the fuel hoses from the tank to the enginedThe Regulator it under the upper intake on the injector
attached to the fuel injector fuel rail which is attached to the top part of the fuel injector.
NO.
No. Fuel pressure at the injector is regulated by the fuel pressure regulator.
The pressure regulator is defective or an injector is stuck open.
The 2000 GMC Yukon Denali fuel pressure regulator is located on the back of the fuel injector pump. The fuel injector pump is located on the top of the engine.
sits on front end of injector rail, looks like a silver top hat right at front on injector rail.