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

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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.

Posted on Jul 04, 2009

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I have a 1996 GMC Jimmy that was iddling very rough and code said cylinder 2 misfire check engine light was on solid. Replaced all plugs, wires, cap and fuel filter 1st of March 2013. It ran better for a...


Lets start at the beginning. Did anyone check fuel pressure before and after replacing the pump ?
Has anyone checked the fuel pressure regulator and the injector spider ? The 4.3w engine uses a spider with one injector that supplies all 6 cylinders. And it runs at 65psi or more.

Aug 05, 2013 | 1996 GMC Jimmy

1 Answer

What would cause my 2000 jimmy to loose power


Fuel injector gone or going, is engine misfiring?

Apr 05, 2013 | 2000 GMC Jimmy

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I have a 2000 gmc jimmy with a service engine soon light. i received the code p0302 misfire detected cylinder 2.I replaced spark plugs and distributor cap and rotor. but still on. any other suggestion?


Well, Spark Plugs wear over time,seldom fail to fire
A worn or dirty rotor and cap will still fire, also

You never throw new wires at it,I don't,mine last 18 years,
on all vehicles

You need some OBD2 knowledge,start studying

The PO302,last # is the cylinder
Number 2 is misfiring

If you got individual coils, go there
If you got an ignition module, for all the cyl,go there
If you got plug wires,there is an extremely odd chance, one burned out inside ,on #2
& you did say your have a dist cap.

So you do have a cylinder monitor,that detected it
That may be the crank sensor,another possible

Need to know the system and how to test it.

You need to give veh specifics ,not just a year

Dec 01, 2010 | 2000 GMC Jimmy

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I have a gmc jimmy that will not run it keeps flooding out we replaced the spider under the intake and the fuel presure reg. but still dumps fuel like a stuck pig any suggestions


put a fuel pressure guage on it and turn the key to on, the pressure should build and hold if not you may have a leaking injector or injector seal

Nov 20, 2010 | 1994 GMC Jimmy

1 Answer

When cold starting on a 2000 GMC Jimmy, it "chugs" several times before it starts. once the car has started, it will hesitate less and less throughout the day. The battery is one year old and the...


Sounds like low fuel pressure--replace the fuel filter. If no help, check the fuel pressure while the engine is running. You can rent the tester. For multi-port injection, the pressure should be in the 30 to 40 PSI region. Try some injector cleaner in the fuel tank. Is the check engine light on? If so, rent a scanner, check any codes, and follow where they lead.

Aug 19, 2009 | 2000 GMC Jimmy

1 Answer

BAD MISS


it probably has a bad cylinder

Jun 17, 2009 | 2000 GMC Jimmy

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