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Engine speed will bounce 350-1100

1668 Views 20 Replies 13 Participants Last post by  jim83181, 
J
Hey guys, I'm having a slight problem with my 5 speed 05 GT. My engine speed will often dip up and down from 350 - 1100 rpms when I'm sitting at a stop light or while I am braking while I am approaching an intersection. It hasn't entirely cut off the engine yet, but I'm concerned that it is a problem that will only get worse. Any suggestions, stories, similar problems, or even better.... solutions? Thanks
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G
did you know these new MOD engines were made to run fully compatible with methanol and alcohol instead of regular 87-91 octane?
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