Question about 2002 GMC Sonoma Extended Cab

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Just had to replace the fuel injector spider at 82,000 mi. because 1 of 6 injectors failed. this was a part that cost more than $400.00 plus installation. insane engineering that cost me , the consumer , outrageous money to say the least. WHY ???

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YOU HAVE CPI ( CENTRIAL PORT INJECTION ) TO CHANGE YOU NEED TO REMOVE UPPER INTAKE AND A LOT OF PARTS TO GET AT INJECTOR, NOT AN EASY REPAIR. INJECTOR SPINS IN HOUSING TO FEED ALL POPET VALVES (SPIDER LEGS) TO BRING FUEL TO CYLINDERS. USE LUCAS FUEL TREATMENT TO CLEAN AND LUB SYSTEM INCLUDING FUEL PUMP TO INCREASE LIFE OF SYSTEM.

Posted on Feb 02, 2010

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1 Answer

I have a 2000 Chevy Blazer 4.3 4 wheel drive. It stalled and would not start again. The garage said the fuel pump and fuel regulator first , hen they replaced that they now say its the spider assembly on...


No.
The spider is one injector that supplies six small lines going to the cylinders instead of having one injector for each cylinder.
I would ask for a partial refund for parts and/or labor on the fuel pump job if that did not fix the problem. They should apply some or most of that cost to the cost of replacing the injector assembly if they diagnosed the problem as being the pump first.

Feb 20, 2014 | Cars & Trucks

1 Answer

My 2002 Chevy Blazer won't start?


If you replaced the injector after the plugsthey may be fuel fouled.Pull the plugs and clean them.(you can sandblast them,or use a method I used to use-shoot a little starting fluid on them and use a lighter to burn off the contamination of too much fuel).I can't believe GM kept using this stupid design so long-I remember nearly new Vortec V6s with this same problem in the '90s.

Oct 07, 2012 | 2002 Chevrolet Blazer

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

I have a 98 blazer.The fuel pump is good and filter is new.Im getting gas to the fuel lines-but something is stopping my fuel injector from cutting on!! When I pour gas in the throttle body it starts up...


check to see if your getting a pulse on the injectors
if it has the spider injector with a fuel pressure gauge check pressure see if it drops or have 55 to 66 psi check to see if also check the eng 1 fuse cgeck ecm 1 15amp

May 14, 2010 | 1998 Chevrolet 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

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

2 Answers

Hard start when cold/first start in morning


The pressure relief valve is in the spider fuel injector not the fuel pump. We have had our 94 gmc jimmy for 4 years & have had to replace the fuel injector 4 times which cost right at $500 each time for the part. Yes the spider fuel injector cost averages around $500.

Nov 16, 2008 | 1994 GMC Jimmy

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