Quote:
Originally Posted by szyd
Cruisin at 75 for an houre or so took her to 110 and check engine light came on so backed off to 75 and light went out. not sure why light came on. the truck was stable on some sweeping bends on 77 in West Virginia.
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thats interesting. could be that at that speed some sensors were reading what the pcm thought was abnormally high so it enabled the check engine light?