How to check my injectors - Ford Powerstroke Diesel Forum
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Old 08-16-2009, 05:52 PM
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How to check my injectors

How do you tell if you have a injector going bad or is bad? Will the truck throw a code and will the CEL come on if so? Thanks for you help
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Old 08-16-2009, 06:12 PM
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you would need to do a contribution test or/and a buzz test. that will check the electrical end of it and the contribution will check its flow. you need to have it hooked to a scan tool. snap on, ford dealer scan tool.

typically though if you were having a bad injector/s you would be getting a hard start, rough start, miss, smoke, things that would lead you to believe the truck isnt running normal
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Old 08-16-2009, 06:15 PM
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I am having a hard start it seems to crank for so long before it starts and when it does it runs rough for a few seconds then smooths out. After the truck has been ran though and you go back to start it later it starts fine just when it has set over night.
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Old 08-16-2009, 06:22 PM
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what year truck is this? have you cleaned the egr valve lately
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Old 08-17-2009, 08:48 AM
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Its a 2006 F350 no I have not cleaned it
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Old 08-17-2009, 11:24 AM
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try doing that and see what happens..its free too
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Old 08-17-2009, 11:38 AM
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I have never taken the egr valve out I know where it is and know there is two bolts that hold it in but have heard they are a bear to get out any tips on how to do it? I don't want to break anything.
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Old 08-17-2009, 07:18 PM
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you may also need the computer recalibration. Redoes a few things to help with cold start issues. There is a TSB on it.
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