Wiki User
∙ 2006-04-16 03:53:19You don't need to replace the injectors. Drain the fuel tank. Reinstall. Put in fresh fuel, and water treatment.
Wiki User
∙ 2006-04-16 03:53:19look at the manual
The 96'-98' vortec 350 has 8 fuel injectors that are contained inside the intake manifold. the vortec uses whats called csfi which is called central sequential fuel injection it has 8 electronic fuel injectors and 8 mechanical ones thesa are the ones that deliver the fuel.
You can not see them until you remove the plastic upper intake / Plenuem Then you will see small little plastic lines that come off of them, Mechanics call that the spider. There will be 4 injectors on each side of the spider center body./ injector housing.
It is in the gas tank, you will have to remove fuel tank to service the pump.
sound like you have a 4.3 vortec with a bad spider. it is multiported so inside the plentum of the intake, there is your spider, they go bad and fill up your intake with fuel, then dump it down the valley of the engine.
Vortec is the motors name in the blazer and it is a great motor
There is a fuel diagram for a 94-95 Chevy Blazer with a CPI 4.3 Vortec engine in the service manual. It shows the path the fuel travels from the fuel tank all the way to the injectors.
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you would need to change the cylinder heads also.See link below
crank it till starts
It is located under the upper intake manifold. It is connected to the bank of fuel injectors (poppets) bank.
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It is inside of the engine oil pan. You will have to remove the oil pan to get to it.
On the Vortec the computer does it all.
The plugs run down the center of the engine under the coils. You can see the coils after you remove the resonator (Thing that says Vortec 4200)
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