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Old 02-26-2013, 03:21 PM
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injector problem

is there a way to isolate a bad injector. i got a choppy idle but clears up when u give it throttle
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Old 02-26-2013, 03:22 PM
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sorry its on a 95 f350 7.3
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Old 02-26-2013, 04:56 PM
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might try playing with the UCVH and see if it gets worse/better...might help you at least find which side of the motor the bad injector is on.
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Old 02-26-2013, 05:02 PM
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Quote:
Originally Posted by kkbodyshop View Post
is there a way to isolate a bad injector. i got a choppy idle but clears up when u give it throttle
I have the same problem. I posted a thread looking for an old valve cover gasket to make up a diagnostic tool.
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Old 02-26-2013, 06:19 PM
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Short of having an injector breakout box (allows you to cut out one injector at a time), you can unplug the Valvecover connections one at a time and see which one makes the least amount of difference. It should be one of the two injectors on that circuit. If you want to pull the valvecovers off, you can disconnect the injectors one at a time at the injector (although with a bad injector you should see a discernible difference in the oil flow out of the oil deflectors on each injector). Cheers!
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