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09-29-2003, 02:39 PM | #1 |
Registered Member
Join Date: Sep 2003
Location: Puerto Rico
Posts: 4
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Problems with RPM's
I recently bought a new 2003 Mach 1 (Manual Transmmission). It only has 1,500 miles on it. Since I have it, I've noticed problems with the RPM's.
Sometimes the RPM's get stuck in 2,500 RPM when I'm driving. I have to accelerate or turn off the engine and start it again to get the RPM's normalized. The problem is that this happens ONLY once in a while, not all the time. The dealer said everything is allright. Obviously, the problem didn't came out when they tested it because it doesn't happen all the time. The Check Engine DOES NOT light up when the RPMs get high. What could it be? -The TPS (throtle position sensor)? I believe that in the late model mustang the TPS is not adjustable. Could it be damaged? I checked it with a scanner and it said it was ok. 21.5% when not pressing the accelerator pedal. -The Air Valve behind the throtle? Please help me with some advice!! Thanks, Carlos |
09-29-2003, 08:16 PM | #2 |
Registered Member
Join Date: Mar 2003
Location: south florida
Posts: 45
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Keep going back over and over til they either fix the problem or replace the parts associated with the Tach with new ones. Write a ltter to Ford if necessary. If you compain enough, it will get fixed. (I work at a dealership as a Finance Manager so I know this will work)
__________________
2000 GT Coupe Automatic! CAI, X-Pipe, Eibach Pro, 100 Shot NOS Best run: 12.187 @112.9 w/ 1.75 60ft. 3ft Above Sea evel |
09-29-2003, 10:12 PM | #3 |
Registered Member
Join Date: Sep 2003
Location: Puerto Rico
Posts: 4
|
I looked at the IAC, and everything looks fine. I cleaned it to see if it was the problem, but it wasn't.
I will try changing the TPS because that's cheap and most of the people told me that could be the problem. If the problem persists, I will go AGAIN to the dealer. Thank you very much! |
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