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Old 01 Jan 2013, 12:32 am
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Default How do you engage VTEC in 2000 Civic Si?

Just bought a 2000 Civic Si, bone stock minus CAI and some unknown exhaust. It is a 5 speed and a very fun car to drive for a daily. My question is how do you control the VTEC? I ask because the other day, I think I accidentally made my civic hit it. I was trying to beat a red light camera when I downshifted into second gear on yellow. The acceleration was piss poor until after I passed the light, in which it was too late and now I'm probably going to get a ticket. After running red and getting flashed was when my RPM's spiked, my body clenched to the seat as I was hanging on to the steering wheel for dear life because of that sudden brute force. I mean this thing went from being a tortoise to a jack rabbit after a few lagged out seconds! I think I was doing 120 mph before I realized what had happened. I'm afraid to drive the car now, it's like it has an attitude of it's own after 4,000 RPM. Any help would be appreciated in helping me control this beast. If I can't, I might have to resort to selling this car and getting a Toyota Corolla.

Could the previous owner have tuned/programmed the ECM to 4,000 instead of the 5,500 you mentioned? I guess what I'm trying to get at here is if there is a "moderate" speed this car can travel at? It's either slow or VTEC. I just want to get on the highway and beat yellow lights without going dangerously fast.
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Old 01 Jan 2013, 12:50 am
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Without adding an aftermarket controller, VTEC will automatically engage around 5500 rpms (given that the engine is warmed up to operating temp).
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Old 01 Jan 2013, 01:02 am
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Toyota's kick in at 4,000 rpm. Don't think Honda would have the cams advance at 5,500 rpm when the motor is that revved, 4,000 rpm makes much more sense because you have a bit of range left to enjoy the power in.You would want to hope a "platinum" service adviser knew what he was talking about, then again it makes no sense to me! Have fun with it and watch where the power kicks in. Just don't experiment in controlled intersections with cameras, you know what I mean?!
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Old 01 Jan 2013, 01:19 am
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yes, one can reprogram the ecm. Stock B16 ecm kicks in around 5500 rpm, yo.
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