Compression Ignition Addict
Join Date: Feb 2007
Location: Gainesville, COLLEGE STATION, Texas
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icp sensor bad?
i wanted to test my code reader, so I unplugged the icp sensor. cel goes off, but my code reader didn't pick up a code. I think the reader is bad. That's not the problem. later, i stopped for lunch, got back in, fired up, and it would barely idle. the rpm was jumping up and down, 2-300 rpms. it was like it wanted to die, and it would catch it, then drop to about 500rpm, then catch and jump to 800. you get the picture. I got it out on the highway, and it seemed to run okay. I stopped later, and it was still doing it, so I pulled the icp plug and washed it out with wd40, plugged it back in and it ran fine. later, it did it again, so i cleaned it, but didn't get better. I pulled the chip, no help. I turned it all the way up, and it seemed to idle a little smoother. It was very jumpy, though. the throttle would go down about 1/4 of the way before it would rev. I couldn't hold it at a lower rpm. it would either not rev at all, or rev up higher. I'm thinking the icp is bad, that's why it kinda worked in the high setting, because it was asking for so much more oil pressure? I appreciate any ideas. thanks
'01 F350 2wd Lariat Dually 7.3 6sp-back to stock
'06 Dodge 4wd Dually, Auto, Edge Juice, AFE Bladerunner, 5" turbo back, BHAF
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Spearco 6.0 Retrofit I.C.- $800 shipped
coated uppipes(not bellowed)- $200 shipped