Power Loss after Hitting the Rev Limit?
#1
Power Loss after Hitting the Rev Limit?
I've done some searches, but I haven't found anything that fits my issue. A while back, I hit the electronic rev limiter for the first time. Since then, it feels like my S doesn't have the power it did before. I have a stock '06 with just under 56k. I bought the car in the fall of '16 with 48k. The car pulls OK, but not as strongly as I remember. I can feel it hit VTEC, but again not as strongly as before. No CEL.
I have since changed the spark plugs. I wasn't sure the last time they had been changed. While changing them, I checked the compression. The readings were 220-220-220-225 (#1-4). I have also tried to reset the ECU by pulling the "Back Up" fuse under the dash to clear any settings.
Is there anything else I should check or have I just gotten used to the feel of the acceleration and it is now normal?
I have since changed the spark plugs. I wasn't sure the last time they had been changed. While changing them, I checked the compression. The readings were 220-220-220-225 (#1-4). I have also tried to reset the ECU by pulling the "Back Up" fuse under the dash to clear any settings.
Is there anything else I should check or have I just gotten used to the feel of the acceleration and it is now normal?
#3
I over-rev'd while accelerating and hit the electronic limit. I was accelerating to pass a car on a multi-lane road and hit the rev limit while I was looking to make sure the lane was clear. It took me by surprise when the car felt like it threw out an anchor.
#4
You didn't hit the rev limiter, while downshifting to gain RPMs?
#5
Hitting the limiter in that manner shouldn't hurt anything, that's why it's there. I've hit mine a few times over the years this way, with no problems. Are you sure you're not just being paranoid that your car is down on power?
#6
It's definitely possible that it just seems that I have lost some amount of power. I just don't feel myself being pushed back into the driver's seat as strongly as before. Could a slipping clutch cause what feels like power loss? Any other symptoms? I haven't noticed any problems shifting or moving from a stop.
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#8
Registered User
Might be your clutch slipping. Or your perception.
I hit the rev limiter so often after my FlashPro tune I installed a "red line alarm" that rings like an old alarm clock in 1st or 2d gear. Beep, beep, beeps in higher gears as the revs aren't climbing quite so fast.
-- Chuck
I hit the rev limiter so often after my FlashPro tune I installed a "red line alarm" that rings like an old alarm clock in 1st or 2d gear. Beep, beep, beeps in higher gears as the revs aren't climbing quite so fast.
-- Chuck
#9
I don't know if your issue is real or just perception. But one thing I am certain of, its not a real issue caused by hitting the rev limiter.
A slipping clutch is easy to diagnose. Car doesn't accelerate as much as the revs climb. You hear the engine rev, you see the tach climb, but the car doesn't go faster. The easiest way to replicate this is find a long, steep hill, and try to accelerate up it.
Our cars have their clutch issues, but with opposite problem, getting them to reliably disengage fully, which causes notchy shifts. Slipping is not a common issue at all. So I doubt this is your problem.
A slipping clutch is easy to diagnose. Car doesn't accelerate as much as the revs climb. You hear the engine rev, you see the tach climb, but the car doesn't go faster. The easiest way to replicate this is find a long, steep hill, and try to accelerate up it.
Our cars have their clutch issues, but with opposite problem, getting them to reliably disengage fully, which causes notchy shifts. Slipping is not a common issue at all. So I doubt this is your problem.
#10
Thanks all for the info. It's time for an oil change, so I'll check a few things while I've got the hood up. I've heard about the trick with a long, steep hill. A bit of a problem in North Texas...not many hills of any kind much less long & steep.