2007 Hummer H3 Faulty injector

2007 HUMMER H3
99,000 MILES
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HOMER662
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My mechanic tells me I have a bad injector on cylinder 2. I'm trying to save money by doing it myself. I'm fairly good mechanic but never worked on my hummer until now.How do I replace a faulty injector on h3 2007?
Jul 15, 2013 at 8:28 PM
Repair Safety Notice: This information is for general instructional purposes only. Vehicle repair can be dangerous. Verify all information, follow manufacturer service procedures, use proper tools and safety equipment, and consult a qualified repair shop when needed.
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HMAC300
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what engine?
Jul 16, 2013 at 6:05 AM
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HOMER662
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3.7l MFI DOHC 5 cylinder
Jul 16, 2013 at 8:51 PM
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HMAC300
  • CAR REPAIR CONTRIBUTOR
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see pics for instructions replace orings on injectors with new.
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Jul 17, 2013 at 6:41 AM