Late 04 no start when hot....Help
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Freshman User
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Late 04 no start when hot....Help
late 04 only mod is egr delete. Getting a no start when we shut down and go in a store for a bit. First I was thinking HPO but according to the scangauge the lowest ICP is 580-590 usually over 600. FICM voltage is 48.0. There is a p1187 code for oil temp voltage. The pigtail connector for the oil temp sensor was broken but seemed to work. I replaced the connector with a new one and still have the problem. According to the scangauge the oil and water temp are well within 10 degrees and while this was happening oil temp was 170. Any ideas, I'm at a loss.
thanks in advance
thanks in advance
Logistics Pro
Joined: Dec 2004
Posts: 4,138
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From: South Weber, Utah
late 04 only mod is egr delete. Getting a no start when we shut down and go in a store for a bit. First I was thinking HPO but according to the scangauge the lowest ICP is 580-590 usually over 600. FICM voltage is 48.0. There is a p1187 code for oil temp voltage. The pigtail connector for the oil temp sensor was broken but seemed to work. I replaced the connector with a new one and still have the problem. According to the scangauge the oil and water temp are well within 10 degrees and while this was happening oil temp was 170. Any ideas, I'm at a loss.
thanks in advance
thanks in advance
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From the Code list on this site (https://www.ford-trucks.com/forums/1...code-list.html
P1187 - EOT Sensor Circuit Low Voltage
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Elder User
Joined: Oct 2014
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From: Marietta, GA
Go to your local parts store, and ask them to pull the codes for you. The scan gauge is a great monitor but not always the best code reader.
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Freshman User
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I also have a "Actron" code reader, it reads the same code. I used the other reader after the check engine light would not go out. It threw an ICP code after I unplugged the ICP to try and start it.
Elder User
Joined: Oct 2014
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From: Marietta, GA
did it start with the ICP unpluged?
i dont think a faulty EOT sensor is going to give you a hot no start.
it is just for the PCM to know the temp for things like fan speed or to de-fuel you when it gets to hot.
i dont think a faulty EOT sensor is going to give you a hot no start.
it is just for the PCM to know the temp for things like fan speed or to de-fuel you when it gets to hot.
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No, it will not start with the icp unplugged. It is really strange
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I will go drive it. As I recall on trying to start hot it was reading 14 something % but I didn't write it down so I am not positive.