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GEN 2 (2017-2020) Ford F-150 Raptor Forums
Ford Raptor Engine Discussion and Performance Mods
anyone running a 170 thermostat?
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<blockquote data-quote="baugustine" data-source="post: 1349472" data-attributes="member: 31996"><p>You can see exactly when your engine goes into Closed Loop with a $99 scanner from the parts store. Almost all modern engines use an Air Fuel sensor upstream on the cat (as opposed to a HO2S) and they are heated/active in less than 15 seconds after startup. I’ve seen vehicles go into CL way less than 150 if ambient air temp is above 60 (warmer climates). What are you reading ECT values with? The coolant gauge on the cluster is shunted and does not provide actual values. Ford (and most OEMs) changed the IPC strategies to not show real temperature because most consumers would freak out if they knew the actual temperature on a warm day with the AC on. My father did not believe me on this and I connected my scan too to his 2004 Mach 1 and let it warm up. The temp guage on the IPC went up to the 12:00 position ( in normal) which was about 190 then the ECT continued to climb. Fans came on at 220 but the guage never left the 12:00 position. Scan tool is the only way to actually know (or a thermal IR gun).</p></blockquote><p></p>
[QUOTE="baugustine, post: 1349472, member: 31996"] You can see exactly when your engine goes into Closed Loop with a $99 scanner from the parts store. Almost all modern engines use an Air Fuel sensor upstream on the cat (as opposed to a HO2S) and they are heated/active in less than 15 seconds after startup. I’ve seen vehicles go into CL way less than 150 if ambient air temp is above 60 (warmer climates). What are you reading ECT values with? The coolant gauge on the cluster is shunted and does not provide actual values. Ford (and most OEMs) changed the IPC strategies to not show real temperature because most consumers would freak out if they knew the actual temperature on a warm day with the AC on. My father did not believe me on this and I connected my scan too to his 2004 Mach 1 and let it warm up. The temp guage on the IPC went up to the 12:00 position ( in normal) which was about 190 then the ECT continued to climb. Fans came on at 220 but the guage never left the 12:00 position. Scan tool is the only way to actually know (or a thermal IR gun). [/QUOTE]
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GEN 2 (2017-2020) Ford F-150 Raptor Forums
Ford Raptor Engine Discussion and Performance Mods
anyone running a 170 thermostat?
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