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Won't rev past 4200rpm. Need advice


This is a discussion on Won't rev past 4200rpm. Need advice within the Ford Raptor Problems and Questions Forum forums, part of the Ford Raptor Forums - General Information category!
So our family has a 2014 Raptor. We are Aussie's so we had to do a conversion however this problem ...


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Old 05-19-2015, 11:01 PM   #1 (permalink)
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Default Won't rev past 4200rpm. Need advice
So our family has a 2014 Raptor.
We are Aussie's so we had to do a conversion however this problem has nothing to do with the conversion.

The Raptor Will function fine until it hits 4200rpm. It wont go past it at all. Almost like there is a rev limiter on it set lower than redline. Thoughts?

BTW this is my first thread, don't hate if its in the wrong place.




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Old 05-19-2015, 11:05 PM   #2 (permalink)
 
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Default Won't rev past 4200rpm. Need advice
Have a tune?

Do you have a Ford dealer over there that you can take it to?
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Old 05-19-2015, 11:31 PM   #3 (permalink)
 
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Does it do it with both keys? Might have valet setting...


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Old 05-19-2015, 11:40 PM   #4 (permalink)
 
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Going to start with the basics. I saw something similar on a recent run...the air box was full of dirt. To say the air filter was dirty is an understatement.
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Old 05-19-2015, 11:50 PM   #5 (permalink)
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Yeah it does it with both keys.

No ford dealer in aus are all that keen to tune it, They dont have the equipment they say

---------- Post added at 01:50 PM ---------- Previous post was at 01:50 PM ----------

and it is brand new, no wear and tear.
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Old 05-19-2015, 11:56 PM   #6 (permalink)
 
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my air filter was a complete mess. my truck would hit 4500 rpm and not go above, nor shift gears. i would have to let off the gas and then it would shift and once again be stuck at 4500rpm.


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Old 05-19-2015, 11:59 PM   #7 (permalink)
 
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this is what nv guy is referring to. my air filter had a beach inside of it. no air meant no power.
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Old 05-20-2015, 12:36 AM   #8 (permalink)
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i will check the air filter ofcourse, however it has only done 530km on the clock.
I highly doubt the air filter would naturally get dirty
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Old 05-20-2015, 12:46 AM   #9 (permalink)
 
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depends on where you have driven


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Old 05-20-2015, 04:00 AM   #10 (permalink)
 
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Does it seem like a rev limiter (intermittent firing) or does it run smooth and just not go above a certain RPM?

What gear does it do it in?

This may be a transmission issue. I had a similar issue on another vehicle...even the dealership had a hard time figuring it out.

Modern electronically controlled transmissions have a "limp mode" when something is wrong with them. They will not go past a certain RPM in a certain gear.

Could be something as simple as a sensor causing it...or something more.

Good luck.


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