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Old 05-13-2011, 06:56 PM
rickatom rickatom is offline
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Join Date: May 2011
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Default Cleaning fuel injectors

I have a 1997 4cyl. I have had some work done on it and was told either the fuel rail or injectors had trash in them. New filter, cleaned MAFS, used SeaFoam in gastank. The truck drives, but has a bad hesitation. I was hoping it would clear itself.

Saw a video about tapping on the injectors to dislodge any sticking. Not sure if this will help me.

Fuel pressure is good, so not the fuel pump.

How hard is it to take out the fuel rail and clean the injectors?

thanks
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Old 05-13-2011, 07:03 PM
klinger86 klinger86 is offline
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Default Re: Cleaning fuel injectors

if i'm not mistaken you'll need to take the upper intake (plenum) off to gain access to the bolts that hold the fuel rail... unbolt.. pull straight up.... clean replace o-rings place back in fuel rail and then place assembly back in motor making sure not to pinch/tear any of the o-rings. rebolt and then put new upper intake gasket on rebolt upper intake.... make sure all electrical connections are good and fire it up....
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Old 05-19-2011, 05:59 PM
rickatom rickatom is offline
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Default Re: Cleaning fuel injectors

I got the injectors out and sprayed them with carb cleaner. I dont know how much good it did. Sprayed the injector ports and all. Put back together. Not much difference. What a waste.
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