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Rough Running after injector cups

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Old Dec 18, 2013 | 08:35 PM
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Rough Running after injector cups

Just got done doing the injector cups, was leaking in the coolant overflow tank. Installed the new cups and new orings on the injectors, started up ok, drove around the block and back to check fluids again. Go to drive again and stared running rough the CEL come on then goes off. I was reading that air can get trapped in the oil galley, and it will run rough for like 50 miles, but I cant really drive it so I'm seeing if anyone had a similar thing happen. Thanks
 
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Old Dec 18, 2013 | 08:55 PM
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If you had a CEL then there are codes stored. Get the codes read and post them here. You will need a good scanner to pull the codes. Most parts stores cant read our engine. We can throw out ideas but its still shooting in the dark without codes.

Yes the engine can run rough for up too 200 miles until all the air is out.

One thing to look at is the 9 pin connector on the in side of the valve covers. Make sure there plugged in all the way.
 
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Old Dec 18, 2013 | 09:06 PM
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Yeah I know the scanner I have won't read it, so I have to find a friend with a good scanner! Truck ran fine before the work, even after work the startup was good idle.
 
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Old Dec 18, 2013 | 09:13 PM
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Have you checked your oil level? Also you might not have the connectors on some of the injectors on all the way. Did you try and unplug the ICP connector to see how it runs?
 
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