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<blockquote data-quote="Z7What" data-source="post: 1085549" data-attributes="member: 3262"><p>Hey guys, sorry i hadnt been around for a while to give an update. Nothing much to say other than a little more info about the crappy A/C, but with this info, theres nothing that we can do to correctly fix it other than with the resistor. I am friends with the service manager at the local Ford dealer near my house. He and myself grabbed the IDS computer and went to my truck. After getting it set up we we monitored the Evap Temp Sensor Readings and watched the temp get down to 36* which is when the compressor disengages, the temps slowly climb to 48* and then the compressor reengages. You see <strong>PER FORD SPECS </strong>the Evap Temp Sensor should disengage the compressor at 36* as it does but shoud reengage it at <strong>38*</strong> but my truck doesnt reengage the compressor until it gets to 48*. </p><p></p><p>So basically its a programming issue thats the cause of the crappy A/C. All Ford needs to do is provide a update to fix this. But im willing to bet they wont!</p><p></p><p>Ford Engineers have told me that anything over a 20*(IIRC) difference between ambient temp and vent temp is within spec. I call BS because no where in FORDS SERVICE MANUAL is a difference between ambient temp and vent temp stated to be within spec. What IS stated is that the Evap Temp Sensor should cycle between 36-38*.</p><p></p><p>Wayne</p></blockquote><p></p>
[QUOTE="Z7What, post: 1085549, member: 3262"] Hey guys, sorry i hadnt been around for a while to give an update. Nothing much to say other than a little more info about the crappy A/C, but with this info, theres nothing that we can do to correctly fix it other than with the resistor. I am friends with the service manager at the local Ford dealer near my house. He and myself grabbed the IDS computer and went to my truck. After getting it set up we we monitored the Evap Temp Sensor Readings and watched the temp get down to 36* which is when the compressor disengages, the temps slowly climb to 48* and then the compressor reengages. You see [B]PER FORD SPECS [/B]the Evap Temp Sensor should disengage the compressor at 36* as it does but shoud reengage it at [B]38*[/B] but my truck doesnt reengage the compressor until it gets to 48*. So basically its a programming issue thats the cause of the crappy A/C. All Ford needs to do is provide a update to fix this. But im willing to bet they wont! Ford Engineers have told me that anything over a 20*(IIRC) difference between ambient temp and vent temp is within spec. I call BS because no where in FORDS SERVICE MANUAL is a difference between ambient temp and vent temp stated to be within spec. What IS stated is that the Evap Temp Sensor should cycle between 36-38*. Wayne [/QUOTE]
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