How many wires does a fuel injector have?
How many wires does a fuel injector have?
Each injector requires 2 wires, a switched 12 volt power and a ground. In most cases the power will be the wire that has the same color as wires going to injectors on the same bank or to the entire motor.
Where is the fuel injector on a GM 3.1L engine?
Testing for a bad fuel injector on the GM 3.1L and 3.4L engines can be a challenge, since the fuel injectors are underneath the upper intake manifold plenum. This article will show you how to test them using a simple multimeter.
What are the symptoms of a fuel injector failure?
Here are some more specific symptoms: Rough idle. Engine misfire under load (when you’re giving it gas). Bad gas mileage. Fuel injector failure code present.
Is the PCM able to set fuel injector troubles codes?
NOTE: On 1998 model year and newer, the PCM is able set specific fuel injector troubles codes (when they fail). Unfortunately, this rarely happens in real life. What you’ll usually see will be a misfire trouble code instead of a bad fuel injector code.
What’s the misfire condition of a GM 3.1L V6?
Also, this article is a part of a series of misfire condition troubleshooting articles for your 3.1L or 3.4L V6 equipped Chevrolet, Buick, Oldsmobile, or Pontiac car or mini-van and at the end of it, you’ll find some links to other specific 3.1L & 3.4L misfire troubleshooting articles.
Testing for a bad fuel injector on the GM 3.1L and 3.4L engines can be a challenge, since the fuel injectors are underneath the upper intake manifold plenum. This article will show you how to test them using a simple multimeter.
Here are some more specific symptoms: Rough idle. Engine misfire under load (when you’re giving it gas). Bad gas mileage. Fuel injector failure code present.
Also, this article is a part of a series of misfire condition troubleshooting articles for your 3.1L or 3.4L V6 equipped Chevrolet, Buick, Oldsmobile, or Pontiac car or mini-van and at the end of it, you’ll find some links to other specific 3.1L & 3.4L misfire troubleshooting articles.
NOTE: On 1998 model year and newer, the PCM is able set specific fuel injector troubles codes (when they fail). Unfortunately, this rarely happens in real life. What you’ll usually see will be a misfire trouble code instead of a bad fuel injector code.
