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Old 05-17-2013, 07:53 PM
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Bad injector question

I have a problem with my 2001 7.3 Crew Cab Long wheel base 4x4 that i want to figure out before it lays down on me completely.

If i let my truck sit overnight or for a long period of time to where the engine cools completely it will not run after cranking it unless I let it sit and idle for about 10 minutes until it warms to operating temperature.

If I try to pull out before it warms up it will have no power and spit and sputter and go dead. It then takes cycling the glow plugs a few times and cranking on it forever to get it to start back and then it idles like crap and billows white smoke until it warms up. Like I said if I crank it first thing and let it warm up it idles fine.

I've been told that the pintles on the injectors are bad and I need to replace the injector but as much as they cost I want to know exactly whats wrong before I spend a fortune and it not be fixed.

Give me some educated guesses, I sure would like to know what's going on.
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Old 05-18-2013, 05:55 AM
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depending on outside temp, the EBPV assy is closed, thus, giving you crappy performance, until warm. Check oil level. Check oil hpop level...any codes / ses-cel light on?
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Old 05-18-2013, 04:43 PM
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I thought of the EBPV but I haven't crawled up on it to see if it's closed. I haven't pulled the codes lately but the cel isn't on. I was told by a friend of mine that's a diesel mechanic at the stealership that it's more than likely the injector pintles going bad.

Would bad O-rings or bad cups cause this?
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Old 05-18-2013, 06:00 PM
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Quote:
Originally Posted by outlaw8950 View Post

Would bad O-rings or bad cups cause this?
The tough answer is yes to both. It can be either. I'm tackling an injector problem myself. I'm in the process of changing o rings myself.
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Old 05-18-2013, 06:32 PM
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was your's acting similar to mine? As I said, if I let mine warm up to operating temp it runs like a scalded dog but try to take off as soon I crank it and it won't make it far before it stumbles, sputters and dies.
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Old 05-18-2013, 07:20 PM
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Mine didn't die like yours but bad sputters amongst other issues and I don't even want to start the list of items I've replaced combating this problem
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Old 05-26-2013, 05:08 PM
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Have you checked your throttle position sensor? Mounted on the peddle...
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Old 05-30-2013, 05:14 PM
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OK guys, I figured out the problem.

My truck was low on oil and I filled it back up and now it runs like a champ again.

I can be so stupid sometimes.
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