how many fuel injectors in a 2003 4.3 v6 vortec x code
6
That is were the fuel injectors are at, and the fuel pressure regulator is on the rear of it.
How do you replace fuel injectors on 2003 Chevy blazer?Read more: How_do_you_replace_fuel_injectors_on_2003_Chevy_blazer
most likely the comp. is bad not letting the injectors work
There is a fuel diagram for a 94-95 Chevy Blazer with a CPI 4.3 Vortec engine in the service manual. It shows the path the fuel travels from the fuel tank all the way to the injectors.
If it's a 96 vortec 350 / 5.7L then it has 8. 1 per cylinder. If the engine looks like it has a carburetor on the top of it. Then it has 2 injectors and that fuel system is called TBI / Throttle Body Injection.
A 2003 GMC Yukon does not have self cleaning fuel injectors. A high pressure cleaning system must be directly connected to the injectors to performing a cleaning.
52 psi
You don't need to replace the injectors. Drain the fuel tank. Reinstall. Put in fresh fuel, and water treatment.
fuel injectors could be clogged
It has one per cylinder.
Yes it does. Anything after 1987 uses fuel injectors.