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91 GMC Sonoma Fuel Injection

SLBaker's Avatar
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03-16-05, 09:21 AM   #1  
91 GMC Sonoma Fuel Injection

Anyone know where I can find a step by step manual to replace my fuel injectors?

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carguyinva's Avatar

Join Date: Nov 2003
Posts: 1,147

03-16-05, 09:41 AM   #2  

...are you replacing them? you'll need gaskets and some seals to do it with and once you remove the screws that retain the top of the meter assembly the injectors just pop out. sometimes you have to gently pry up with a screwdriver at the center of each injector, just besure to rest the shank of the screwdriver you are prying with on another one laying flat. the reason is to avoid prying directly on the aluminum housing...if you gouge it, the top gasket may not seal and you'll have a fuel leak. there are o-rings top and bottom of the injectors, lube them with vaseline for ease of assembly. also note that the injectors index only one way down in the bottom of the housing. good luck...

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