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 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
Why does my GM Vortec Spider not work?
As you may know the early style Central Sequential Fuel Injection (CSFI) or Spider units tend to fail overtime. This is mainly due to the poppet valves becoming plugged with carbon deposits.
How to troubleshoot the’spider’fuel injector assembly?
TIP 1: You’ll need a fuel pressure gauge to troubleshoot the fuel injector assembly on your GM 4.3L, 5.0L or 5.7L pick up (van, mini-van, SUV). TIP 2: You’ll be working around fuel (gasoline), which is extremely flammable. Your safety is your responsibility… so be careful, use common sense and think and act safety all of the time.
Can a no start no fuel injector misfire?
No Start – No Fuel ‘Spider’ Fuel Injector Troubleshooting Case Study . This case study will help you diagnose a No Start No Fuel Condition with the ‘Spider’ injector. ‘Spider’ Fuel Injector Misfire and Hydrolock (Troubleshooting Case Study) .
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 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.