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Rpms

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Old 06-24-16, 11:48 AM
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Hey guys, I got a 93 FD3S, everytime I start the engine, a few minutes later, the rpms become unstable!! And I **** to any gear but 2nd it gets worts!! Also I just can get to 6000 rpms! I forgot to tell you when I shift to any gear I don't let go the clutch and the rpms get lower and more unstable

Last edited by ericondazo; 06-24-16 at 07:58 PM.
Old 06-27-16, 08:11 PM
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Could be many things but first thought would be to check the throttle position sensor. Instructions would be in the Factory Service Manual. That's available as a download in the FAQ sticky thread in the 3rd Gen. Technical Section. Page F-168

Last edited by Sgtblue; 06-27-16 at 08:14 PM.
Old 06-28-16, 08:48 PM
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I can't attach videos!? I could send the video!! It's pretty odd what happens when I shift! If the air pump isn't working could that interfer in anything?
Old 06-29-16, 06:22 AM
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You don't need videos.
Go to the 3rd Generation Technical Section and download a free copy of the Factory Service Manual. Then follow the instructions to check your throttle position sensor or do any other trouble-shooting.
Old 07-01-16, 02:06 PM
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Any history on the car? Recent mods? Or Did it just start doing this out of the blue? Or is this a new car to you?
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