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  #1  
Old 11-04-2012, 05:00 PM
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No start, rpms up and down

I have an 06 f250 with 101k. The other night I stopped at the store and came out to start my truck, it would just crank and acted like it wasn't getting any fuel. I tried this 2 or 3 times. About 10 minutes went by and it started just fine. So on my way home I was at a stop sign and for a slight instant it tried to take off on its own. When I got home I put it in park and let it idle, the rpms would go from like 500-800. The next morning I went to start it and it started just fine. I haven't driven it since then because I don't want to get stranded. Oh I forgot to mention I have an edge cts insight and I checked the ficm voltage and it was 47.5-48. Any suggestions would be great. Thanks
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Old 11-04-2012, 05:18 PM
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Quote:
Originally Posted by Metalfab View Post
I have an 06 f250 with 101k. The other night I stopped at the store and came out to start my truck, it would just crank and acted like it wasn't getting any fuel. I tried this 2 or 3 times. About 10 minutes went by and it started just fine. So on my way home I was at a stop sign and for a slight instant it tried to take off on its own. When I got home I put it in park and let it idle, the rpms would go from like 500-800. The next morning I went to start it and it started just fine. I haven't driven it since then because I don't want to get stranded. Oh I forgot to mention I have an edge cts insight and I checked the ficm voltage and it was 47.5-48. Any suggestions would be great. Thanks

Has your Edge logged any codes?
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Old 11-04-2012, 05:32 PM
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No codes, I even checked it for codes with my obd II scan tool.
I just went out and started it. Not sure what my ranges should be but icp psi was 850 when I first started it and as the engine warmed up it dropped to 550ish icp voltage was 0.8-1.1. Not sure if this helps. Oh and rpms did not fluctuate this time

Last edited by Metalfab; 11-04-2012 at 05:39 PM.
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Old 11-04-2012, 06:15 PM
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Surging sounds like bad icp sensor, if it fails to start again, unplug it and see if it fires up. Unfortunately you can't read ipr with the edge, that would help.

Sent from my phone that somebody didn't help me get.
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Old 11-04-2012, 06:39 PM
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Originally Posted by southend View Post
Surging sounds like bad icp sensor, if it fails to start again, unplug it and see if it fires up. Unfortunately you can't read ipr with the edge, that would help.

Sent from my phone that somebody didn't help me get.
Could a bad icp sensor cause a no start?
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Old 11-04-2012, 06:53 PM
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Could a bad icp sensor cause a no start?
Yes, one of the things that could.

Sent from my phone that somebody didn't help me get.
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Old 11-04-2012, 07:58 PM
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IF your ICP drops below 500 psi IIRC it will not fire, mine would stay at 600 all the time even while driving, (ICP actual) resulting in low power, i replaced the sensor but my issue was HPOP, Sounds to me ICP is bad in your truck i would check the connector to see if it is oil soaked. More than likely it is
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Old 11-05-2012, 05:41 PM
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Ok so, correct me if I'm wrong but would a faulty icp sensor cause me to read pressure on my monitor KOEO? I just checked it and it read 3 psi and like .3 volts KOEO. I was just thinking I never let my truck get below 1/4 tank of fuel. Well last Monday I wasn't paying attention and my fuel light came on so I went to the nearest station, where I never get fuel, and filled up. A few days later I start having issues.

My plan is to change fuel filters and add some diesel kleen for a start since I am only 1000 miles from when I would normally change them anyways. Could this be a possibility?? Just trying to think what I can do before taking it to the dealer. I don't know much about vehicles so I am pretty limited on what I can do.
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Old 11-05-2012, 05:42 PM
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Quote:
Originally Posted by Metalfab View Post
Ok so, correct me if I'm wrong but would a faulty icp sensor cause me to read pressure on my monitor KOEO? I just checked it and it read 3 psi and like .3 volts KOEO. I was just thinking I never let my truck get below 1/4 tank of fuel. Well last Monday I wasn't paying attention and my fuel light came on so I went to the nearest station, where I never get fuel, and filled up. A few days later I start having issues.

My plan is to change fuel filters and add some diesel kleen for a start since I am only 1000 miles from when I would normally change them anyways. Could this be a possibility?? Just trying to think what I can do before taking it to the dealer. I don't know much about vehicles so I am pretty limited on what I can do.
Iirc, that icp reading KOEO is correct.

Sent from my phone that somebody didn't help me get.
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Old 11-05-2012, 05:49 PM
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Originally Posted by southend View Post
Iirc, that icp reading KOEO is correct.

Sent from my phone that somebody didn't help me get.
Ok, think the fuel like I stated could have caused this issue?
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