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SportTrac Discussion
Engine & Drivetrain
rough idle
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<blockquote data-quote="Brian Kirton" data-source="post: 769685" data-attributes="member: 65908"><p>My 2005 ST has a rough idle from time to time. Seems to happen more on cold days. It seems like the engine is running low rpms like a choke isn't operating. Took it to a local garage for maintenance and they didn't observe the problem and the computer showed no misfires. The truck seems to operate just fine during driving but I thing the mileage could be better. I bought the truck used and have used only 87 gas. Ran one bottle of injector cleaner w/ one tank of 97 octane. I was wondering if the computer may have gotten "off" by the previous owner using E-85. Any suggestions?</p></blockquote><p></p>
[QUOTE="Brian Kirton, post: 769685, member: 65908"] My 2005 ST has a rough idle from time to time. Seems to happen more on cold days. It seems like the engine is running low rpms like a choke isn't operating. Took it to a local garage for maintenance and they didn't observe the problem and the computer showed no misfires. The truck seems to operate just fine during driving but I thing the mileage could be better. I bought the truck used and have used only 87 gas. Ran one bottle of injector cleaner w/ one tank of 97 octane. I was wondering if the computer may have gotten "off" by the previous owner using E-85. Any suggestions? [/QUOTE]
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SportTrac Discussion
Engine & Drivetrain
rough idle
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