cold start problems still?
Thread Starter
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Cross-Country
Joined: Feb 2009
Posts: 84
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cold start problems still?
Hi Guys,
Back again for some more advice. Cold starting is a little better, but still not what it should be. Any suggestions on where to go from here? I have done the following.
Changed oil 15/40
New glow plug relay
did glow plug tests at harness, all checked out fine
2 new batteries
new battery cables
new starter, This helped quite a bit. Nippondenso turns about 3 times faster than the piece of autozone crap that was on it.
I let the plugs glow for almost 2 minutes and it wurrs and wurrs and wurrs until about the 3rd time she will take off and run fine.
Any other ideas? I have the Auto Enginuity program and it isnt throwing anything code wise that should relate to this problem. I dont want to burn up my new starter this winter. Above 40 degrees, starts no problem.
Back again for some more advice. Cold starting is a little better, but still not what it should be. Any suggestions on where to go from here? I have done the following.
Changed oil 15/40
New glow plug relay
did glow plug tests at harness, all checked out fine
2 new batteries
new battery cables
new starter, This helped quite a bit. Nippondenso turns about 3 times faster than the piece of autozone crap that was on it.
I let the plugs glow for almost 2 minutes and it wurrs and wurrs and wurrs until about the 3rd time she will take off and run fine.
Any other ideas? I have the Auto Enginuity program and it isnt throwing anything code wise that should relate to this problem. I dont want to burn up my new starter this winter. Above 40 degrees, starts no problem.
Postmaster
Joined: Dec 2008
Posts: 3,340
Likes: 2
Does it romp after it starts? Here is a you tube video but this is a bad case of the romps.
YouTube - Powerstroke 7.3 Cold start #2
YouTube - Powerstroke 7.3 Cold start #2
Thread Starter
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Cross-Country
Joined: Feb 2009
Posts: 84
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wow, when that truck starts, it sounds like it needs a bullet to put it out of its misery. LOL. Seriously though, when mine finally starts, it runs and idols as it should, nothing rough like in that video. Thanks for the reply though.
Tim
Tim
Elder User
Joined: Dec 2009
Posts: 864
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From: Fort Campbell, KY
Does it romp after it starts? Here is a you tube video but this is a bad case of the romps.
YouTube - Powerstroke 7.3 Cold start #2
YouTube - Powerstroke 7.3 Cold start #2
Hey Grant, is that your truck? If so, do I spy an auxiliary hydraulic pump a top the fuel filter location? Need info on that, looks cool. 
Now for that truck, there is some systems not operating to spec. Either some weak GP's, a sticking IPR, marginal IPC sensor.... something. When the RPM's drop to those "lows" there isn't enough low pressure oil to keep good oil flow to the engine!
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Cross-Country
Joined: Feb 2009
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Elder User
Joined: Dec 2009
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From: Fort Campbell, KY
Do you mean the GPR is working now, or that it's been working all along. Is it pulling a load on your electrical system when it engages? Sometimes you get the impression the GPR is working (and it may be closing the contacts), but it isn't flowing any current. If the carbon builds up on the internal contacts of the relay, it doesn't flow an adequate amount of amperage. Standard DMM's will not tell you if the relay is flowing amperage, only if the voltage is flowing. You'd need an ammeter to show how many amps are flowing. (I use a DC clamp on unit from Fluke, works GREAT!)
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New User
Joined: Mar 2009
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When I lived in MN I always plugged it in. Now that I live in MS, I still plug it in and have NO issues starting. For those who don't know, a block heater can be purchased if not already on your truck. these heaters are so good, you could fry eggs on the valve covers.
Posting Guru
Joined: Nov 2006
Posts: 1,852
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From: house springs,mo
its nice to plug it in! but you really shoudnt have too,i use to plug mine in at 60 deg in order to start not anymore!
Senior User
Joined: Dec 2009
Posts: 146
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From: OKC
i have the same problem i am leaning to gp needs to be changed only difference is mine whirs forever it seems like i am hoping the the new plugs will change that i just changed to the stancor so i know its not the relay just waiting to get to the city to do the led mod