Engine hesitation or low rev bog
#1
Engine hesitation or low rev bog
Hi All
I have been reading extensively about ECU resets and cleaning out valves and MAP sensors etc etc regarding to bog and hesitation.
My question is however, does my car really need these items checking?
My car is a UK MY2006 that has covered 14000 miles, which is nothing. It has just had its major service too.
would my car at this low miles suffer from the normal issues?
could it be plugs or leads, or should these have just been changed on the service?
the main issue for me is that in know the s2000 has litte torque, but at the point i cant pull away from the lights at speed, enough to beat a diesel Golf, i am concerned and annoyed. something is holding it back.
i am planning to check the Map sensor tonight. but surely on my 06 model and TSB should have been worked out on it?
I would even plan to take the sensor off the side of the intake (forgot name) but i am sure this will be ok.
if this is just something i need to live with like everyone else then someone please tell me to stop complaining
I have been reading extensively about ECU resets and cleaning out valves and MAP sensors etc etc regarding to bog and hesitation.
My question is however, does my car really need these items checking?
My car is a UK MY2006 that has covered 14000 miles, which is nothing. It has just had its major service too.
would my car at this low miles suffer from the normal issues?
could it be plugs or leads, or should these have just been changed on the service?
the main issue for me is that in know the s2000 has litte torque, but at the point i cant pull away from the lights at speed, enough to beat a diesel Golf, i am concerned and annoyed. something is holding it back.
i am planning to check the Map sensor tonight. but surely on my 06 model and TSB should have been worked out on it?
I would even plan to take the sensor off the side of the intake (forgot name) but i am sure this will be ok.
if this is just something i need to live with like everyone else then someone please tell me to stop complaining
#2
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I think I know what you're referring to and my MY2007 does the same thing. If I'm pulling away from a stop light and say, shift to 2nd, then punch the throttle a bit, the car hesitates then finally revs freely once the revs increase. It is partly due to the low amount of torque in our cars but my hesitation gets exponentially worse as the temperature goes up. During the winter months, this issue almost disappears completely. This car hates the heat and although I didn't believe it when it first was happening to me, I now believe heat soak is at least part of the issue.
#4
yea, im fairly certain its heatsoak...mine does it from time to time and it makes me look like i dont know how to drive the car...its very annoying, but i think im going to start taking measures to try and lower under hood temps
#7
I know, but finding it aint easy. I just tried the ECU reset. Made no difference. Iv checked my map sensor and mine is the new sort anyway. I think it literally is low torque. Iv got to get used to dropping it down a gear to pull off. Just annoying when racing people off the lights. You look like a div for revving the nuts off it
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#9
You gotta learn to drive this car with revs, especially when it's hot under the hood (and it can get hot under the hood in the middle of a Canadian winter). Somebody said they start off, then change to second and then "punch" the throttle. At what rpm are you changing to second? If you're just poking along, then change to second at less than 3000 - 4000 rpm and punch it, what do you expect? If you want to take off briskly, you need revs. But not only that, you need to manage the revs and balance it with proper clutch work. You're not driving a turbo or a bigger displacement V-6 or V-8. You're driving a car that was built with the Tq and HP up high. Down low, there's nothing. In the heat, there's even less and Tq and HP curves shift.
When it's hot in the intake, you need to give it lots of throttle when taking off just to clear the intake of the heated air from sitting there before you take off. Revving it up to 4000 to 5000 rpm will not only clear the intake of hotter air, but will put the car in a rev range that has more torque and horsepower for taking off briskly. I'm going to bet there's nothing wrong with an '06 S2000 with only 14K on it. What needs to be done is for the driver of any S2000 to learn how to drive it.
When it's hot in the intake, you need to give it lots of throttle when taking off just to clear the intake of the heated air from sitting there before you take off. Revving it up to 4000 to 5000 rpm will not only clear the intake of hotter air, but will put the car in a rev range that has more torque and horsepower for taking off briskly. I'm going to bet there's nothing wrong with an '06 S2000 with only 14K on it. What needs to be done is for the driver of any S2000 to learn how to drive it.
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sjs2k4o8
California - Bay Area S2000 Owners
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05-09-2006 11:15 AM