Fuel injector ? - JeepForum.com
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post #1 of 2 Old 04-28-2013, 01:05 PM Thread Starter
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Join Date: Apr 2013
Location: Niceville
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Fuel injector ?

I am troubleshooting my 03 5.3 swap into a 98 TJ. It will crank but not fire. It turned over a few times when I sprayed some fuel into the intake. I am getting spark to the plugs and voltage and fuel to the injectors @ 53PSI. I have removed the injectors to clean them. Right now they are soaking in SeaFoam. I am rigging up a pressurized cleaning setup. When I provide 9 volts to the injector and then momentarily ground it out I only hear a faint click. I have to put my ear right next to the injector to hear it. Is this normal or are the injectors that gummed up?

The engine sat for about 6 months before I bought it.

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post #2 of 2 Old 04-29-2013, 10:22 AM
Morris 4x4 Center
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1987 YJ Wrangler 
Join Date: May 2008
Location: Pompano Beach
Posts: 1,364
Check fuel pressure, Fuses, check to see if voltage at fuel pump, and check injector pulse?

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