What happens when you replace the Spider fuel injector?
So, you replaced the fuel pressure regulator, or the entire ‘Spider’ fuel injector assembly and now, when you start the pickup (SUV, van or mini-van) it idles very rough!
What causes vacuum leak after replacing Spider injector?
If this is happening to you, then let me tell you right off the bat that the most likely cause is a major vacuum leak caused by a broken ‘Spider’ assembly O-ring (see photo above). This is one of the most common problems, encountered after replacing the fuel pressure regulator or the ‘Spider’ fuel injector.
What causes rough idle after replacing fuel injector?
So, whether you have replaced the Spider fuel injector assembly (or the fuel pressure regulator) and are experiencing a rough idle that wasn’t there before or you’re about to take the intake manifold apart, this article will:
So, you replaced the fuel pressure regulator, or the entire ‘Spider’ fuel injector assembly and now, when you start the pickup (SUV, van or mini-van) it idles very rough!
If this is happening to you, then let me tell you right off the bat that the most likely cause is a major vacuum leak caused by a broken ‘Spider’ assembly O-ring (see photo above). This is one of the most common problems, encountered after replacing the fuel pressure regulator or the ‘Spider’ fuel injector.
Where can I buy tamerx Spider fuel injector assembly?
After extensive research of alternatives such as GM redesigning the spider injection with solenoids and wires at the end of the injector tubes that GM dumped their questionable first revision on the aftermarket rather than this original design by GM and reconditioned by TamerX, I purchased this reasonably priced TamerX.
What kind of fuel injection does GM 4.3L use?
‘Spider’ Fuel Injection Basics There are two types of the ‘Spider’ fuel injector assemblies used on the GM 4.3L, 5.0L, 5.7L engines and this article will help you with both types. In case you’re wondering, one type belongs to the Central Port Injection (CPI) system and the other to the Central Sequential Fuel Injection (CSFI) system.