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SportTrac Discussion
Engine & Drivetrain
2003 Sp Trac Intermittent Starting Problems
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<blockquote data-quote="Harry H" data-source="post: 1018233" data-attributes="member: 58770"><p>Sorin,</p><p></p><p>I'm pretty sure my problem is not a temperature related issue. You would think that, by letting it set for about 30 minutes and correcting itself, the problem would have to be something in the engine cooling down and correcting itself. The only problem with that theory is that sometimes it would do the "no start" thing when the truck was in my driveway and hadn't been run for a couple of days. I would continue to try and start it (cold) and it was a no go unless I let it set for about 30 minutes and then it would start right up (almost like a vapor lock or something like that). It would also do the same thing sometimes when it was hot. I know it sounds strange, but that was what was going on.</p><p></p><p>For now I'm sticking with the dirty IAC and possibly fuel pump as I still haven't had a "no start" since cleaning the IAC.</p><p></p><p>Thanks for the input though! That's an interesting video and good info on the coolant temp sensor. I wasn't aware that the sensor sends info to the ECU to help out with the mixture.</p></blockquote><p></p>
[QUOTE="Harry H, post: 1018233, member: 58770"] Sorin, I'm pretty sure my problem is not a temperature related issue. You would think that, by letting it set for about 30 minutes and correcting itself, the problem would have to be something in the engine cooling down and correcting itself. The only problem with that theory is that sometimes it would do the "no start" thing when the truck was in my driveway and hadn't been run for a couple of days. I would continue to try and start it (cold) and it was a no go unless I let it set for about 30 minutes and then it would start right up (almost like a vapor lock or something like that). It would also do the same thing sometimes when it was hot. I know it sounds strange, but that was what was going on. For now I'm sticking with the dirty IAC and possibly fuel pump as I still haven't had a "no start" since cleaning the IAC. Thanks for the input though! That's an interesting video and good info on the coolant temp sensor. I wasn't aware that the sensor sends info to the ECU to help out with the mixture. [/QUOTE]
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SportTrac Discussion
Engine & Drivetrain
2003 Sp Trac Intermittent Starting Problems
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