Question about 1996 GMC Sonoma

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Spider injector

What is a spider injector ?

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Google it--lots to read & go to You Tube Video also

There is a fuel pressure regulator under the
intake manifold & it has plastic tubes called
spyders going to each cylinder & on the ends
are poppet valves

It is a type of fuel injection

Posted on Dec 03, 2012

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Posted on Jan 02, 2017

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1 Answer

How do you verify a bad fuel injector in the spider assembly with a scan tool and fuel pressure guage


A scan tool will not help. If a bad fuel injector in the spider assembly the fuel pressure will drop off to 0 or close to it after a lengthy sit.

Apr 26, 2015 | Cars & Trucks

1 Answer

Using to much fuel and running rough


How about the spider injector that might be the reason your vehicle is running rough and using up tp much fuel. The fuel regulator is part of the spider injector and it costs about $40. or $ 50. but if the injectors are bad then you will have to replace the spider injector, which will cost you $200. or less. From my own experience dont jujust change the fuel regulator and then have to buy the spider injector. It is best to make sure that it is not the injectors also. The fuel regulator is know to go bad on 95 GMC Jimmy believe me I have had to replace many other parts because of the spider injector.

Good luck

Lady Janette

Mar 07, 2012 | 1995 GMC Jimmy

1 Answer

My 96 s10 blazer has fuel pressure to the injectors whitch are spider injectors but will not start


I had a 2000 chevy Blazer that had the same problem. I ended up replacing the spider injectors from the local parts house and solved my problem. The computer was sending to open them but they didnt in which it wouldnt run. Hope that helps.

May 19, 2011 | 1996 Chevrolet Blazer

1 Answer

1994 S-12 V-6 Vortec Dumping Gas into the Oil Pan


If it's a "W" VIN (8th Digit) check the spider injector on the intake manifold. Throttle body will come off with the intake cover, ten 10mm bolts, and two 8mm holding the fuel lines in place. Once you move a few things and lift it off. (and unplug the big plug in the top that actually goes into the spider injector, about 12 prongs on it). Gently pry the spider out of the cradle on each side and squeeze the tabs and pull out each of the 6 injectors. If you take your time a novice can do it in about an hour.

Mar 08, 2010 | 1994 Chevrolet S-10 Blazer

1 Answer

I have a 99 Tahoe 5.7, the garage said it needs a new fuel injection spider. Do they also need to replace all the injectors with the spider?


with all 8 injectors in place the injector lines resemble a spider with legs.If one injector is bad the rest will soon fallow .

Feb 24, 2010 | 1999 Chevrolet Tahoe

3 Answers

Know if my 95 chevy blazer has a spider CPI?


A spider injector is located underneath the intake plenum and this is multi-port. Otherwise you have a throttle body injector system. Vortec engines have spider injectors and they are super expensive to replace ($400.00- 850.00) each ! There is only one spider injector for each engine it has 6 legs/fuel tubes that go to each cylinder.

Oct 10, 2009 | 1995 Chevrolet Blazer

2 Answers

I have a 1995 gmc jimmy 4x4 i check fuel pressure an the voltage


a simple 12vdc will not due, it needs a pulse signal from the computer. a full 12vdc could fry the injectors, but the spider assemblys in them v6's are always a @$!$@ up design. i have encountered alot of them with bad pcm, or the spider.

Sep 15, 2009 | 1995 GMC Jimmy

1 Answer

2000 GMC Jimmy-Diamond Edition-4.3L V-6. Where is the Fuel Injector located on the engine? How do you replace it?


Their are 6 fuel injectors on your Jimmy. They are set up into a system called a "Spider". You have to remover the upper intake manifold to get to the Injector Spider. Once the Upper Intake Manifold is removed you will see the Injector Spider. If you need further instructions my e-mail is jaybyrdn91@yahoo.com

Will be glad to help you through it.

Jul 04, 2009 | Chevrolet 3500 Cars & Trucks

1 Answer

What are spider injectors and how much are they


The term "spider injectors" stems from the Vortec Series Engine's fuel injection system. Unlike fuel injectors that are installed individually commonly used in engines, this one piece molded plastic web body which all 6 or 8 injectors are permantly attached(94-96), when looked at resembles a look of a spider. est. cost $350-$450. In 97 on up, GM changed from the fixed injector (If one injector goes bad you need to change the whole or all injectors) to being able to individually change each injector. est cost $50-$150 ea.

Jul 01, 2009 | 1997 Chevrolet Tahoe

1 Answer

Gas going into two cyc. where the spark plugs are i have a 1998chevy truck


Sounds like you have leaking fuel injector poppets. You should replace the fuel injector spider with an updated MFI style injector spider. It could also be the fuel pressure regulator, which is included with the new MFI.

Apr 28, 2009 | 1998 Chevrolet K1500

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