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Engine bogs when clutch is pressed

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Old 01-11-2002, 07:13 PM
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Engine bogs when clutch is pressed

Often, when my car has been in the same gear at a constant speed for more than 30 seconds or so and i press the clutch, the engine rpms will drop to 300-400 or so for a moment, like it is going to stall, and then returns to the normal 600-700. At the same time the dash fan will slow down, but the lights do not dim and the radio stays the same. Is this abnormal/serious, or should i not worry about it? My fateher's truck does not do this.
Thanks, Chris
P.S. I searched but didnt find anything about this specific occurrance
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Old 01-11-2002, 07:26 PM
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Re: Engine bogs when clutch is pressed

Originally posted by cjrj473
Often, when my car has been in the same gear at a constant speed for more than 30 seconds or so and i press the clutch, the engine rpms will drop to 300-400 or so for a moment, like it is going to stall, and then returns to the normal 600-700. At the same time the dash fan will slow down, but the lights do not dim and the radio stays the same. Is this abnormal/serious, or should i not worry about it? My fateher's truck does not do this.
Thanks, Chris
P.S. I searched but didnt find anything about this specific occurrance
If you near-stall the engine the electicals will appear to dim. I would try to rule out battery/charging problems first, but then return to the Throttle Body and Idle Air Control Valve to ensure they are properly able to handle the rapid change from high RPM to idle.

Do you have the same cold-start near-stall problem that a few of us have been having? If so, clean the black soot from around the butterfly in yor Throttle Body. Do a search for some instructions. This may be the cause of both, as the cold-start near-stall and drop-to-idle near-stall both relate to the car's ability to idle smoothly without relying on the Idle Air Control Valve.
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Old 01-11-2002, 07:31 PM
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http://www.motorvate.ca/auto/maxima/...y_cleaning.htm
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Old 01-11-2002, 07:56 PM
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i cleaned the tb 6-7 months ago, so i would think that it is still in good shape. ill have to take a look at the idle air control valve, what should i look for?
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Old 01-11-2002, 07:58 PM
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oh yeah havent had any problems with cold starts whatsoever, which surprised me cause i went from ky to indianapolis, my car isnt used to the cold here
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Old 01-11-2002, 08:15 PM
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http://forums.maxima.org/showthread.php?threadid=83805
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Old 01-11-2002, 08:17 PM
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Originally posted by cjrj473
i cleaned the tb 6-7 months ago, so i would think that it is still in good shape. ill have to take a look at the idle air control valve, what should i look for?
clean it again just to make sure.. i cleaned mine 2 months ago.. but didn't do it properly .. it temporarily fixed the problem.. but its back.. tis time i am going to use a toothbrush
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Old 01-11-2002, 08:22 PM
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looks like i need to get a manual and check this stuff out. thanks for the help.
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Old 01-11-2002, 08:31 PM
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just noticed something esle- my k&n drop-in is getting kinda dirty. could this be causing the problem? it has only been in there about 10k miles, i thought that you were supposed to clean every 50k? ill give that a shot tomorrow and see what happens.
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Old 01-11-2002, 08:33 PM
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Originally posted by cjrj473
just noticed something esle- my k&n drop-in is getting kinda dirty. could this be causing the problem? it has only been in there about 10k miles, i thought that you were supposed to clean every 50k? ill give that a shot tomorrow and see what happens.
let us know...
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