At that RPM could the lag perhaps be the VTEC kicking in?
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Do you have NGK ZFR4F-11 spark plugs readily available? If you do, swap those into your car and see if the hesitation is reduced then.
I'll have to watch the video to see the response time of the LAF as I cannot watch Youtube videos at work. |
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Look this video : https://fr.youtube.com/watch?v=IiTz8jA7fWM (It is a climb). I push slowly on the pedal but the car doesn't accelerate, there are some small hesitations. Suddenly, with the same constant pressure, the car accelerates faster. And no VTEC at that RPM (12 valves). Quote:
I think that the spark will be better with ZFR4F-11, perhaps less hesitations, but the heat will be too high (bad for the engine). And sorry for my bad English, I hope you understand what I want to say lol |
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Like this (picture from my d15z1): https://www.imagestation.com/picture/...9/e774941b.jpg The lean burn really needs a hot plug to ignite the lean mixture well. Quote:
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Normaly there are no injection in deceleration... I think 1.3v is perhaps too much. I push the accelerator, so more air intake, but the car doesn't accelerate (like no more injection). I don't know if it's normal during "lean burn". When I have bought my car, i haven't this problem. ------------------------------- What is the english word for "air/fuel"? Is it "mixture"? This can be rich or (???) What is the correct word : "poor" or "lean"? Quote:
https://img260.imageshack.us/img260/3613/123bu8.jpg |
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Are your driving habits the same as when you first had the car? How many kilometers were on the car when you bought it? Quote:
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Could you please post the numbers on the side of your ECU for us as well? I am interested to see if the ECU version is different than the US model. Thanks! |
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A hotter plug shouldn't cause the engine to overheat, though it's possible it could cause pinging. What's the typical octane rating of gasoline in Belgium? |
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Now : more highway. But I doesn't have problems on highway because the engine is running at 4000RPM (short gearbox now). Quote:
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Hotter sparkplugs : can perforate a piston. Colder sparkplugs : fouling of the spark plug, bad ignition. Quote:
For my car : 95. What is the ocatne rating in US? My sparkplugs, last month : https://img126.imageshack.us/img126/9099/bougiessp5.jpg That seems me too white. Before, they were more gray. |
plugs look good! It's a lean burn engine remember.
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