6.0 Missing.

[xcracer48]

Ok guys I been noticing my truck sort of skipping/missing lately. Right off the bat I wanna say it has something to do with fuel supply. Maybe fuel pump, or injector or something along those lines im not sure. But its just a constant skip/miss going down the road. It does it really bad when the truck is cold. I had my FICM repaired by Ed@Ficmrepair.com not to long ago, so maybe it isn't the Ficm again. But I was just gonna see if anyone else has experienced this problem and found the solution. Soo if you have any ideas on what it may be please post it.

thanks,
Cameron Rogers

[TowGuy2003.6.0]

My truck is currently doing the same thing after I did EGR delete, updated turbo drain tube and fuel pressure regulator spring. I have ruled out everything except the IPR valve. If it is partially plugged I have found that it can cause this issue. I will be pulling it tomorrow to see what I find.

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[xcracer48]

Originally Posted by TowGuy2003.6.0

My truck is currently doing the same thing after I did EGR delete, updated turbo drain tube and fuel pressure regulator spring. I have ruled out everything except the IPR valve. If it is partially plugged I have found that it can cause this issue. I will be pulling it tomorrow to see what I find.

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Dont mean to sound like a dumb@$$ but what is an IPR valve?

[nelapse]

IPR is injector pressure regulator.

Missing could be several things. You need to test it for DTCs or else you will be gambling money. Could be a cylinder contribution issue/ or injector. Which is cheaper than FICM etc.

Find DTCs (diagnostic trouble codes) and we can point you in right direction.

Make sure ficm connectors are tight. Injector connectors are tight. Try and disconnect batteries for a while and plug them back in.

[TowGuy2003.6.0]

It doesn't cost anything to pull it out and look. If you don't have access to check codes. Also check to make sure the map sensor bung on the intake manifold isn't plugged. Easy things to check.

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[xcracer48]

Originally Posted by nelapse

IPR is injector pressure regulator.

Missing could be several things. You need to test it for DTCs or else you will be gambling money. Could be a cylinder contribution issue/ or injector. Which is cheaper than FICM etc.

Find DTCs (diagnostic trouble codes) and we can point you in right direction.

Make sure ficm connectors are tight. Injector connectors are tight. Try and disconnect batteries for a while and plug them back in.

I have had the FICM repaired and updated with 3 year warranty, so if it is messed up its free, but I will check the connections to make sure everything is plugged in good. I remember reading somewhere that one of the plugs on the FICM was a pita.

And I will probably be hooking the Snap-On Modis to it tomorrow. So maybe we will be able to figure something out then.