What controls the injector pulse with on a modern fuel injected vehicle?
The amount of fuel supplied to the engine is determined by the amount of time the fuel injector stays open. This is called the pulse width, and it is controlled by the ECU. The injectors are mounted in the intake manifold so that they spray fuel directly at the intake valves.
What are the symptoms of a bad Vortec Spider injector?
Symptoms of Bad Vortec Spider Injectors 1 Misfire engine codes (P0400-P0406 and P0300 codes) 2 Long starting, hard cranking 3 Poor idle and running at low-rpm’s, but fine at high rpm’s
What does the Spider fuel injector stand for?
The ‘Spider’ assembly has only one fuel injector that feeds the 6 nylon fuel lines. CSFI ‘Spider’ Fuel System: CSFI stands for: Central Sequential Fuel Injection. This system used on all 4.3L, 5.0L, and 5.7L engines from 1996 to present.
Why are the Spider injectors leaking in the L35 engine?
The spider system uses a central pump with 6 tubes connected to it that lead to each of the 4.3L vortec cylinders. In the L35 and LF6 engines, the spider injectors are known to leak at the pressure regulator and at the supply and return lines due to a design fault.
What should I do about my Chevy Blazer fuel injector?
If your reading this then like I did you have been searching the web and under the hood of you GMC Jimmy, S10, Astrovan, Or Chevy Blazer trying to figure out what to do about that crazy injection system in your truck. Well you have a few choices 1. Buy a new spider set for a small fortune.
Symptoms of Bad Vortec Spider Injectors 1 Misfire engine codes (P0400-P0406 and P0300 codes) 2 Long starting, hard cranking 3 Poor idle and running at low-rpm’s, but fine at high rpm’s
The ‘Spider’ assembly has only one fuel injector that feeds the 6 nylon fuel lines. CSFI ‘Spider’ Fuel System: CSFI stands for: Central Sequential Fuel Injection. This system used on all 4.3L, 5.0L, and 5.7L engines from 1996 to present.
The spider system uses a central pump with 6 tubes connected to it that lead to each of the 4.3L vortec cylinders. In the L35 and LF6 engines, the spider injectors are known to leak at the pressure regulator and at the supply and return lines due to a design fault.
Why is my Spider fuel injector stuck open?
‘Spider’ Fuel Injector Misfire and Hydrolock (Troubleshooting Case Study) . This case study will help you diagnose a fuel injector (within the ‘Spider’) that’s stuck open and causing a Hydrolock condition. Contents of this tutorial: