What was the fuel injection system in 1992?
n 1992, General Motorsintroduced a very unique fuel injection system on its 4.3-liter Vortec V6 truck engine. Dubbed Central Port Injection, or CPI, the system looked and functioned much differently than previous designs.
What kind of fuel does a GM 4.3 liter V6 use?
GM’s 4.3-Liter Vortec V6 July 200021 valve that supplies fuel to its cor- responding cylinder. The main in- jector is pulsed twice per crank- shaft revolution, with pressurized fuel opening each poppet as sys- tem pressure approaches approxi- mately 48 psi.
What kind of fuel injection does a GM Vortec have?
I n 1992, General Motorsintroduced a very unique fuel injection system on its 4.3-liter Vortec V6 truck engine. Dubbed Central Port Injection, or CPI, the system looked and functioned much differently than previous designs. The CPI system utilizes one main injector that pressurizes six plastic tubes housed in the in- take manifold.
What kind of problems does a 1993 Jimmy have?
I have a 1993 Jimmy. It has been having starting issues. We have heard everything from the fuel injectors needs to be cleaned to replacing the water pump. We have replaced the computer twice, the second time the garage replaced it free. But now it does not start but turns over.
How to repair a 1988 GM Truck wiring diagram?
Access our GM Full-Size Trucks 1988-1998 Wiring Diagrams Repair Guide by creating an account or signing into your AutoZone Rewards account. Once you sign in, follow these instructions to access our Repair Guides. Add your vehicle in Manage My Vehicles. Enter your vehicle details.
What causes a vacuum leak in a fuel injection system?
Vacuum leaks are the leading cause of installation issues with your fuel injection system. Check all sources of potential vacuum leaks including components not related to the fuel injection system. There are instances where the vacuum leak is coming from the adapter plate used to attach the throttle body to the manifold.
Why is my fuel injection system plugged in?
The electric fuel pump installed for a fuel injection system will draw considerable more volume of fuel from your tank than your old system did. If there are any contaminants in the tank this many times will plug up or greatly restrict the flow of fuel to the system causing many issues. Step by Step Troubleshooting guide.