okay, last night i was cruising on the highway after work. the speed limit switched from 60 to 70, i canceled the cruise control to speed up to the normal 75 i always do. normally, the rpm tach is at around 2400-2500, then it goes up to around 3000-3500 @ 70-75 mph. well, last night, it went crazy and spiked up to 4500 @ 75 mph while on cruise control. i cancel the CC so it wouldnt bother the other drivers and do about 70. all is good, back to its normal rpm. i resume the CC and the shit goes back to 4500, i'm not going anywhere fast but it's just screaming. i just cancel the CC altogether and use my foot. rpm doesnt change until i release the gas petal. i know the higher the rpm, the more gas its using. and gas isnt cheap. so help plz. thanks!
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[IMG]http://i166.photobucket.com/albums/u105/akona21/cb2-2.jpg[/IMG -
Auto or Manual Tranny?
And when the RPM goes up on the Tach, can you hear the engine rev with it? (trying to figure out if just your tach is just giving a misreading or not).
So far from what you've said, I'm guessing you have an automatic, and your overdrive is malfunctioning for some reason. -
auto trans. yeah, the engine revs high that why i stopped the cruise control so ppl im going by wont think im trying to annoy them.[IMG]http://i166.photobucket.com/albums/u105/akona21/cb2-2.jpg[/IMGComment
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vss maybe?
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could be a stuck cable.
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i'd check to see if there is any worn wires obvious nearby the cruise control. if not, what about a dirty oxygen sensor?? i had one go bad about a yr. ago. good luck!
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