Rev Limiter
Thread Starter
TECH Fanatic
Joined: Aug 2006
Posts: 1,407
Likes: 63
From: Knappa, Oregon
Rev Limiter I've been on here a long time, but this is probably a stupid question so I will start in the Newby section.
What is meant by 'hitting the rev limiter' ?
I have a 2002 WS6 Auto 4. The reason I ask is that sometimes I will reach the passing lane, say 50-60 miles per hour, and put the pedal to the floor and the car does what it should: down-shifts and goes like a raped ape.
But occasionally, I will put it to the floor and it is like the computer shuts off the gas/power for a minute and then it gradually comes back to full throttle.
I over maintain my car, so we aren't talking about plugged fuel filters, etc.
What is shutting off my power when I floor it at highway speed? It is kind of random but I want to know what you think.
Is this the 'rev limiter' or WTF?
What is meant by 'hitting the rev limiter' ?
I have a 2002 WS6 Auto 4. The reason I ask is that sometimes I will reach the passing lane, say 50-60 miles per hour, and put the pedal to the floor and the car does what it should: down-shifts and goes like a raped ape.
But occasionally, I will put it to the floor and it is like the computer shuts off the gas/power for a minute and then it gradually comes back to full throttle.
I over maintain my car, so we aren't talking about plugged fuel filters, etc.
What is shutting off my power when I floor it at highway speed? It is kind of random but I want to know what you think.
Is this the 'rev limiter' or WTF?
TECH Fanatic
Joined: Jul 2007
Posts: 1,516
Likes: 0
That isn't the rev limiter causing your problems. The rev limiter is to keep you from overrevving your motor and causing a disaster.
It sounds like an electrical malfunction causing your problem. Could be something in the transmission not allowing it to downshift, or you could also look at a possible intermittent throttle position sensor malfunction.
It sounds like an electrical malfunction causing your problem. Could be something in the transmission not allowing it to downshift, or you could also look at a possible intermittent throttle position sensor malfunction.
Thread Starter
TECH Fanatic
Joined: Aug 2006
Posts: 1,407
Likes: 63
From: Knappa, Oregon
That isn't the rev limiter causing your problems. The rev limiter is to keep you from overrevving your motor and causing a disaster.
It sounds like an electrical malfunction causing your problem. Could be something in the transmission not allowing it to downshift, or you could also look at a possible intermittent throttle position sensor malfunction.
It sounds like an electrical malfunction causing your problem. Could be something in the transmission not allowing it to downshift, or you could also look at a possible intermittent throttle position sensor malfunction.
Rarely happens, and only when I go to the floor.
Staging Lane
Joined: May 2008
Posts: 89
Likes: 0
From: Washington State
Try manually downshifting to 3rd then stand on it and see if it does the same thing. You can see alot of info with a tech II at a gm dealership. Ususally $45 for a half our of diagnosing.
What about traction control. It will also do that and don't think it won't spin at 50mph cause mine sure as hell doesn't have a problem doing it and that was before the cam swap. It'll make the pedal feel hard and the car will feel hesitant. Look at your dash next time to make sure your low trac light isn't on. Could be that simple.
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Thread Starter
TECH Fanatic
Joined: Aug 2006
Posts: 1,407
Likes: 63
From: Knappa, Oregon
What about traction control. It will also do that and don't think it won't spin at 50mph cause mine sure as hell doesn't have a problem doing it and that was before the cam swap. It'll make the pedal feel hard and the car will feel hesitant. Look at your dash next time to make sure your low trac light isn't on. Could be that simple.
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