How to replace the Spider injector on a Chevy?

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What’s the problem with my Chevy S10 4.3?

I have this same problem with my 99 s10 4.3. the code reader says miss fire cylinder #2… so I replaced wires, plugs, distributer cap and rotor. after 2 days this problem got worse. again I read the codes and it read the same code, cylinder #2. good old GM I guess 71 people found this helpful.

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.

What is the Spider unit on a Vortec?

The plastic pintle tube acts as an insulator to the injector tip which decreases the amount of carbon that’s able to develop on the end of the injector. GM has engineered a new Spider unit and it was used on 2002-2007 Vortec motors. This same unit can be installed on your 1996-2001 Vortec with no mods needed.

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 ).

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.

What do I need to install dual injectors in GM TBI?

Everything you need to install your dual injectors in a GM TBI. Part Number:… Out Of Stock! We will notify you when this product becomes available. This is a Viton Kit for early Honda, Acura and Marine injectors.

Are there O rings for insatal LS2 injectors?

THESE ARE SPECIAL O RINGS TO INSATAL LS2 AND UP INJECTORS IN A LS1,6, HOLLY,… Out Of Stock! We will notify you when this product becomes available. INCLUDES EVERTHING NEEDED TO PUT A LS3, LS7, LS9 OR LSA INJECTOR IN A LS1,… Out Of Stock!

Is there a Viton kit for 8 Delphi EV1 injectors?

This is a Viton kit for 8 Delphi EV1 Injectors. Part Number: FICDELPHIKIT Out Of Stock! We will notify you when this product becomes available. Everything you need to install your dual injectors in a GM TBI. Part Number:… Out Of Stock! We will notify you when this product becomes available.

What does CPI stand for in GMC Jimmy?

Although this case study is about a 1995 4.3L GMC Jimmy, the info and tests in this article apply to all of the ‘Spider’ injector types on the road, whether it’s a 6 or an 8 cylinder. CPI stands for: C entral P ort I njection. This system was used on the 4.3L engines from 1992 to 1995 only.

Why does my 1995 Jimmy car not start?

Last spring my fuel lines sprung a leak on a 1995 Jimmy. The Jimmy was running at the time. So I waited till October to replace them. After replacing them the Jimmy wouldn’t start. It turned over really good though.

Why is the Spider fuel injector not leaking fuel?

But, every now and then, instead of leaking fuel, the ‘Spider’ fuel injector assembly won’t spray any fuel into the engine cylinders. One or two (at the most) cylinders are affected. This leads to a misfire condition and usually specific cylinder misfire trouble codes. The entire ‘Spider’ assembly stops injecting fuel.

What kind of fuel injector does a GMC spider have?

This TamerX central port fuel injection assembly for the 1996-2001 Chevrolet/GMC Spider Fuel Injector Assembly GM 4.3L GM V6 Engine. This is a completely Remanufactured SCPI Fuel Injector.

Is the tamerx Vortec Spider fuel injector remanufactured?

This is a completely Remanufactured SCPI Fuel Injector. The TamerX Spider Assembly is 100% tested to meet or exceed OEM specifications. The replacement of your old unit with the TamerX Spider will provide cleaner emissions, improve fuel economy, and increase performance.

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 are the symptoms of a bad fuel injector assembly?

Symptoms Of A Bad ‘Spider’ Fuel Injector Assembly. The most common type of failure (related to the ‘Spider’ fuel injector) is usually not the assembly itself going bad, but the fuel pressure regulator going bad. The fuel pressure regulator is infamous for leaking fuel from its vacuum inlet nipple.

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.

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 kind of fuel injector does the Spider use?

The CPI system was used only on the 4.3L V6 engines from 1992 to 1995 only. The ‘Spider’ assembly has only one fuel injector that feeds the 6 nylon fuel lines. The CPI fuel injection system does not use a MAF sensor. CSFI stands for: C entral S equential F uel I njection. This system used on all 4.3L, 5.0L, and 5.7L engines from 1996 to present.

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.

How to solve ” I have no injector pulse “?

An expert that got 5 achievements. Re: I have no injector pulse. I have plenty of fuel… There is an injector fuse. Pull an injector plug , 1 wire should have 12 volts to it. the other goes to the PCM. The PCM is set up so that it has individual injector drivers, Meaning that you could loose 1 or 2, but loosing all 6 at one time is very unlikely.

Can a PCM loose all 6 injectors at once?

The PCM is set up so that it has individual injector drivers, Meaning that you could loose 1 or 2, but loosing all 6 at one time is very unlikely. Injectors do run off both crank and cam sensors, but mostly off the cam. And when the cam sensor does fail, The PCM goes into default mode, using the last stored run.

Where is the fuel injector on a GM 3.1L engine?

Testing for a bad fuel injector on the GM 3.1L and 3.4L engines can be a challenge, since the fuel injectors are underneath the upper intake manifold plenum. This article will show you how to test them using a simple multimeter.

What happens when the fuel injectors fail in a car?

It’s the fuel injectors job to inject the gasoline that the cylinder needs. When one (or more) fuel injectors fail, the engine is not gonna’ run on all cylinders and you’re gonna’ feel it when the engine idles and especially when you give it gas (to move the car or mini-van). Here are some more specific symptoms: Rough idle.

Can a fuel injector cause a misfire code?

Choose from one of the following CASES: CASE 1: All of the multimeter resistance values are nearly identical. This result indicates that the fuel injectors are OK and are not causing the misfire code or condition.

Is the GM Vortec Spider CSFI or MFI?

GM has engineered a new Spider unit and it was used on 2002-2007 Vortec motors. This same unit can be installed on your 1996-2001 Vortec with no mods needed. The MFI (Multiple Flexible Injection) Spider incorporates a small electronic fuel injector at the end of the fuel line.

How to replace the Spider injector on a Chevy?