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When I bought my car used, it already had a few over revs in the 4 range, but it was very early in the engine's run hours and there were no ill effects during my inspection so it didn't bother me.
Recently though, while clearing some codes from my ECU I decided to look at my over revs. And damnit, there were some ticks in the 5 range! I've never missed any shifts or gotten over zealous with revving the car.
My guess is that at some point while the car was getting repairs done at the dealership or tuned at a local shop, someone must have taken the car out for a test drive and got too throttle happy and missed a shift. The car has a numeric shifter so for a first timer driving my car, I can see how it would be possible to miss a shift, especially if the person expected it to shift like stock. Couple that with the aftermarket exhaust, and the person probably couldn't resist driving towards the redline.
Needless to say, I don't think there's anything I can do as far as finding which shop is accountable since the car has been to several places in the past 3 years since I last checked the over rev report. And trying to pin point a date of occurrence using the engine hours is near impossible especially when the car is driven only 5k miles per year. There's nothing to really prove which shop is the culprit.
I usually look at my mileage when I drop off the car and pick it up. But a lot can happen within less than a mile of driving, plus it's not unreasonable for them to do a test drive when it's warranted.
Luckily the car hasn't been showing any issues. But it's not good for resale though, if I ever decided to sell.
This is exactly why I choose to do my own maintenance and repairs. Can't trust my car with anyone. If it weren't for my extended warranty, I wouldn't have been taking my car to shops to do any of those prior repairs to begin with.
Sorry for the rant. I needed to vent, and to give you guys a heads up on this kind of misbehavior.
Damn, that stinks. Im with you on the self-maintenance thing. I guess in the future when you drop it off you could mention that you have the DME report saved in case there was to be any misbehavior, but then you'll be that guy. Maybe scan it before you take it in (screen capture it) and check it when it comes back out then you'll have evidence to present and know which shop did the misbehaving, buy then you lose the preemptive effect of mentioning it when you drop it off.
Does your "tune" also include a raised rev-limiter?
Tuners who exceed the stock red line will go from 6800 to 7000 on a base or S. That would not trigger a range 1 let alone range 5. I can’t think of any other way to rev the engine that high other than a money shift. I feel for you. Another reason to have a dash cam connected to the cloud.
01-31-2018, 02:38 AM
Over rev'd by mechanics!?
