fuel injector replacement

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Orange_Ram

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New Jersey
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2009
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Hemi 5.7
hello i been chasing a misfire and i figured out it was the fuel injector.
For context, when swapping injectors to find the misfire, i cleaned all 8 injectors with brake cleaner all around. I guess there is a couple routes i can go with this replacement...
1.change that one injector? and if i do chnage that one injector where can i find that replacement?? I was looking at rockauto and other places to find a mopar one and i cant for some reason.
2. change all 8 injectors??
 

Fast69Mopar

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Texas
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2006
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5.7 HEMI
hello i been chasing a misfire and i figured out it was the fuel injector.
For context, when swapping injectors to find the misfire, i cleaned all 8 injectors with brake cleaner all around. I guess there is a couple routes i can go with this replacement...
1.change that one injector? and if i do chnage that one injector where can i find that replacement?? I was looking at rockauto and other places to find a mopar one and i cant for some reason.
2. change all 8 injectors??
I would change only the one injector that has failed. No reason to replace a part that is not bad and waste your money.

Take a look at the Mopar wholesaler's online like mymoparparts.com or ones like them. You can put in your VIN and see if they have the correct part for your truck.
 

hunterdan

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2019 classic
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5.7 Hemi
New OEM are about $65 a piece from most online mopar parts houses. It should be easy to diagnose which one is causing the misfire by pulling the codes or even pulling the plug for the injector until you find the one that doesn't cause a change in how it's running.
There are injector pulse testers in Amazon for about $20-25 that you can use to clean injectors better than just spraying with brake clean.
A can of carb cleaner spraying while cycling will generally clean out a dirty injector pretty well. I've used a similar device to clean mine and brought them back to life.
 

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