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Old Oct 25, 2012 | 11:21 AM
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Question help please
Can anyone help me find the engine coolant temp sensor on 2003 navigator?
 
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Old Oct 25, 2012 | 01:10 PM
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V8-left front of intake manifold.
 
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Old Oct 25, 2012 | 02:33 PM
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Thanks, do u think ect sensor is the reason for cold start problems
 
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Old Oct 25, 2012 | 08:18 PM
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Is your check engine light on?
 
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Old Oct 26, 2012 | 09:17 AM
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No its just takes to long to start when the engine is cold
 
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Old Oct 26, 2012 | 10:41 AM
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When it is cold, try cycling the ignition key to ON for a few seconds, then back to OFF. Do this a couple of times and then try to start it. If that helps with the cold starts you may have fuel issue.
 
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Old Oct 26, 2012 | 10:46 AM
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I did that but, it didn't work. any other ideas
 
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Old Oct 26, 2012 | 10:56 AM
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Maybe you have a leaky fuel injector(s) and when the engine sits overnight the engine may be slightly flooded when you go to start it. When it does start, are you seeing any black smoke from the exhaust pipe?
 
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Old Oct 26, 2012 | 11:02 AM
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No, it drives smooth and there is nothing coming out the exhaust .once it starts it drives very good.
 
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Old Oct 26, 2012 | 01:45 PM
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Could also be battery/charging system.
Check your battery terminals and grounds.
Check for pending trouble codes.
 
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Old Oct 26, 2012 | 03:23 PM
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I checked charging system at auto zone, everything passed. No codes
 
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