fuel injector-self testing? - Ford Powerstroke Diesel Forum
 
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post #1 of 10 Old 10-27-2007, 06:39 PM Thread Starter
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fuel injector-self testing?

hey everyone, another question on my 2003 f250 6.o PSD. I live very far from the nearest ford dealer, and i dont take my truck to them very often. i was wondering if there is any way to know if you have a bad fuel injector in the engine. I have had one replaced, but i knew it was bad because the computer threw two codes, that would not go away. no cel light though? i figured that the cel light would come in when you have a bad injector. anyways, i am thinking i might have a bad injector or two, but no engine codes? well, what do you guys think, any way to know without taking it to ford. any simple tests?
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post #2 of 10 Old 10-27-2007, 06:48 PM
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When the engine is cold start it and get underneath and feel each port on the exhaust manifold. If they all get warm you are ok. If one or more doesnt the injector for that cylinder is bad thus no hot exhaust. Hopefully that makes sense.

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post #3 of 10 Old 10-27-2007, 06:51 PM
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To my knowledge there is no self-test you can do. The only way to check it to have a diagnostic test done. They can check for a contribution balance test done. I am sure if I am wrong someone will come alone and correct me. Hopefully for your sake I hope I am wrong but I don't think I am.

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post #4 of 10 Old 10-27-2007, 07:04 PM Thread Starter
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wow, that is a good idea! hey ill try that in the morning. thanks alot!
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post #5 of 10 Old 10-27-2007, 07:05 PM
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no problem. It is not a 100% test but it will give u a pretty good idea so u can further look into it if u need to

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post #6 of 10 Old 10-28-2007, 07:21 AM Thread Starter
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Is it easy to tell by sound when you lose an injector?
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post #7 of 10 Old 10-28-2007, 07:31 AM
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Your truck will run like crap and smoke! Trying to feel the manifold for warm and cool is easier said than done. It is not the easiest thing to do on a 6.0L. Good luck.

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post #8 of 10 Old 10-28-2007, 07:33 AM
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Give us some symptoms your having might not be an injector. Like Granny said if your trying to check injectors you will need a buzz test first and then a cylinder contribution test.

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post #9 of 10 Old 10-28-2007, 01:07 PM Thread Starter
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well,if i give it some throttle, it is like you can almost here a cylinder miss. its like a popping noise almost. hard to explain. noise louder when cold. seems to have full power though, just sounds like a miss.
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post #10 of 10 Old 11-17-2007, 07:15 AM
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same thing is happening to my truck im pretty sure its an injector but i was told beore u spend the money for the injectors change the fuel filters and it could be a injector modual
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