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Power Strokes
7.3 Tech
Scanner in and out of communication
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[QUOTE="quadracer219, post: 1355013, member: 577"] Hey guys got a 99.5 7.3. Earlier today it started runnin like crap. Misfiring and pouring white smoke, almost a complete loss of power. Friend of mine was able to come over and hook up his snap on Verus edge scanner and we could not get it to communicate. Then randomly the truck started running fine. Drove it around and it acted fine. And we had communication with the scanner. Now anytime we would go to do a contribution test or a injector buzz test it will loose communication with the scanner and the truck dies out. When running the truck randomly die and loose communication with the scanner. And then it won't start and if we let it sit for say 5-10 minutes it will start up fine. Checked idm relay, checked all fuses and they were good. Checked pins on obd2 port and all are good. Checked connections at pcm and idm, no corrosion. Cps is good (gray one). Throws a bad IAT code. Tried unplugging IAT and made no difference in comminucation and it also keeps throwin a p1670 code continuously (Ef feedback signal not detected) [/QUOTE]
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