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IF ITS A 4.3 THEY ARE UNDER THE BLACK PLASTIC COVER ON THE INTAKE CALLED THE PLENUM The injection system on the 4.3 is one unit called a CPI Spider . Six poppit valves are attached to small tubes , one for each cylinder . Not a very big unit but pricey . The fuel regulator is attached to the Spider.The small fuel tubes on the Spider are proned to cracking with age and leak fuel which over fuels the engine and causes bad milage and hard starting . Takes about 45 mins. to change if you are handy . I know , I have done this job twice myself.
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∙ 15y ago
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How do you replace fuel injectors on 2003 Chevy blazer?Read more: How_do_you_replace_fuel_injectors_on_2003_Chevy_blazer
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