What does the Spider fuel injector stand for?
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 does the EGR valve stick open on a CPI engine?
EGR valves have been known to stick open on CPI engines due to carbon buildup. The result will be a rough idle, often accompanied by a failed emissions test due to high HC levels. These engines use an electronically controlled EGR valve with a built-in position sensor.
Where to buy the CSFI Spider fuel injector components?
Where To Buy The CSFI Spider Injector Components And Save $$$. You can find this tutorial in Spanish here: Cómo Probar los Inyectores y Regulador de Combustible (GM 4.3L, 5.0L, 5.7L) (at: autotecnico-online.com ).
Where is the fuel pressure regulator located on a GM Vortec?
The main injector and fuel pressure regulator on the CPI sys- tem are housed in a molded plas- tic piece with the six plastic tubes attached. GM dealers service this assembly as a single part number, and it’s quite expensive to replace.
How to replace a GM Spider fuel injector?
It is a DIRECT REPLACEMENT for old GM Spider part with NO modifications required!! This came with a new Bracket which I didn’t use cause the old one was still good, and the O-ring seal that seals the PLENUM around the big plug. I also ordered the Fel-Pro MS90269 Plenum Gasket Set and put on new PLENUM Gasket at same time.
What causes PCM to disable fuel injectors?
@jrt2020 , Josh, The anti-theft system (Pass Lock) failure will mimic this, as anti theft tells PCM to disable the fuel injectors.
Where To Buy The CSFI Spider Injector Components And Save $$$. You can find this tutorial in Spanish here: Cómo Probar los Inyectores y Regulador de Combustible (GM 4.3L, 5.0L, 5.7L) (at: autotecnico-online.com ).
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.
