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General Discussion
2000 F250 7.3 super duty starting issues
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<blockquote data-quote="ChopTop84" data-source="post: 1525488" data-attributes="member: 19210"><p>OK, you can rule out glow plugs and relay very quickly.</p><p></p><p>While cranking on the motor, are you getting white smoke out the exhaust pipe?</p><p></p><p>If your getting white smoke, then yes, glowplugs/relay are shot.</p><p></p><p>If no white smoke, then your injectors are not firing, or no fuel to the injectors. Start looking at things like weak batteries, fuel pump, plugged fuel filter, leaking O-rings on the high pressure oil side of things, blown fuse for the computer (due to fuel bowl heater shorting out).</p><p></p><p>If you have a scanner that can read live data, make sure your seeing a tach reading (rules out CPS), and then look at the ICP sensor, and make sure your building oil pressure to fire the injectors. Could have a stuck IPR, or lost an o-ring. Minimum 500psi to fire the injectors.</p><p></p><p>As for the EBP sensor, its really only used in combination with the exhaust warmup valve, and is part of the Cold Air Package. A bad EBP shouldnt cause starting issues, but may cause the truck to fail to close the warmup valve during initial cold start warmup cycle. Will set a code if doing KOER tests with a live scanner. I ran a bad EBP for years and never had a problem other than warmup cycle not engaging, which I didnt care about anyway.</p><p></p><p>Troubleshooting a powerstroke without a live reader is tough. You really need to be able to see the various sensor readings live, as they happen, to fix these motors accurately and not just throw parts at it until it runs. I've worked on one or two in my time <img src="data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7" class="smilie smilie--sprite smilie--sprite2" alt=";)" title="Wink ;)" loading="lazy" data-shortname=";)" /></p></blockquote><p></p>
[QUOTE="ChopTop84, post: 1525488, member: 19210"] OK, you can rule out glow plugs and relay very quickly. While cranking on the motor, are you getting white smoke out the exhaust pipe? If your getting white smoke, then yes, glowplugs/relay are shot. If no white smoke, then your injectors are not firing, or no fuel to the injectors. Start looking at things like weak batteries, fuel pump, plugged fuel filter, leaking O-rings on the high pressure oil side of things, blown fuse for the computer (due to fuel bowl heater shorting out). If you have a scanner that can read live data, make sure your seeing a tach reading (rules out CPS), and then look at the ICP sensor, and make sure your building oil pressure to fire the injectors. Could have a stuck IPR, or lost an o-ring. Minimum 500psi to fire the injectors. As for the EBP sensor, its really only used in combination with the exhaust warmup valve, and is part of the Cold Air Package. A bad EBP shouldnt cause starting issues, but may cause the truck to fail to close the warmup valve during initial cold start warmup cycle. Will set a code if doing KOER tests with a live scanner. I ran a bad EBP for years and never had a problem other than warmup cycle not engaging, which I didnt care about anyway. Troubleshooting a powerstroke without a live reader is tough. You really need to be able to see the various sensor readings live, as they happen, to fix these motors accurately and not just throw parts at it until it runs. I've worked on one or two in my time ;) [/QUOTE]
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2000 F250 7.3 super duty starting issues
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