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Old 06-03-2010, 01:05 PM   #1
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Default Fuel injectors Grand am 03 gt

Hello im a novice and I'm trying to replace 2 bad fuel injectors in a 03 Grand am gt...are they hard to replace or do they require any special tool or attention...I don't know how they look also. So any help would be appreciated
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Old 06-03-2010, 01:08 PM   #2
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I'm not necessarily familiar with the 03 models. Are they still under the intake plenum in that year?

Earlier 3100 motors they were under an intake which made removal a bit of a chore.
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Old 06-04-2010, 12:43 AM   #3
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I Think they are under the intake but is getting charged 150 to replace them too much and about how much do they usually run about
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Old 06-04-2010, 08:24 AM   #4
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Not sure.. most of the pricing I do is 3800 related. What do you plan on replacing with?
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Old 06-04-2010, 10:38 PM   #5
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Well I was just trying to pick some up 4 short term use especially since imma be hitting da junkyard tomorrow and I'm going bonnie, impala shopping also.
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Old 06-05-2010, 09:51 AM   #6
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You have to remove the upper plenum to get to the injectors out. If I remember, there is 6 bolts holding it on, one next to each runner
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Old 06-06-2010, 09:03 PM   #7
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yep you gotta take the upper plenum off, been through this a couple of times when I swapped an 03 3400 in my old 96 Grand Prix. 150 dollars doesnt seem like a bad deal but I'd like to mention a few things...

Dont just replace 2 injectors, do all of them. I had good luck with injectors I pulled from the junkyard, from a lower mileage car. If you already have 2 going bad might a well get a set that will all flow similar and grab the whole fuel rail, just in case you lose or break any clips in the swap process. You'll need a fuel line disconnect tool, you can get a cheap set from a parts store.

Buy new injector o-rings, just good insurance.

The intake bolts take something like 9 foot pounds of torque, the intake will crack easily.

I do not know the mileage or maintenance of your car but consider replacing the uim gasket and see if the lower is leaking.

60degreev6.com is a good place to look if you want to do this yourself
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Old 06-07-2010, 02:27 PM   #8
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Thanks will do...Imma try and grab some from the yard until payday
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