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Tech Talk Technical Discussion About The Nissan 240SX and Nissan Z Cars


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Old 02-24-2006, 07:42 AM   #1
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car is "jumpy" under throttle

i had half tank of gas and thought maybe it was fuel pump, and this doesnt happen all the time, just occasionally, but ill be driving, and if im not super gentle on the gas, it hesitates, and then jerks and starts to go.
i changed plugs and wires 10k ago.
any ideas?
thanks in advance
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Old 02-24-2006, 10:01 AM   #2
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you checked the spark plugs? My guess would be spark plugs, or fuel injectors.
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Old 02-24-2006, 11:47 AM   #3
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Quote:
Originally Posted by [HK]240sx
you checked the spark plugs? My guess would be spark plugs, or fuel injectors.

word

makesure there gapped properly
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Old 02-24-2006, 12:22 PM   #4
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plugs are fine...anything else it could be?
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Old 02-24-2006, 12:56 PM   #5
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Fuel filter or fuel injectors is what it sounds like.
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Old 02-24-2006, 02:58 PM   #6
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yeah that has happened to me a few times when i was trying to clutch kick and power over in the rain. it like cuts then Jumps back on throttle... hasnt done it lately but i did before more than a few times. im going to change my plugs and check my injectors.
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Old 02-24-2006, 03:20 PM   #7
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my car does the same thing and i cant figure out why. sorry i couldn't help you.
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Old 02-24-2006, 09:36 PM   #8
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mine did that.. then i realized its because my car is so bumpy that my foot is bouncing up and down slightly. haha
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Old 02-24-2006, 11:06 PM   #9
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when i first bought mine it did that and i replaced my maf sensor and it went away....
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Old 02-24-2006, 11:28 PM   #10
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Quote:
Originally Posted by n1sm0r
mine did that.. then i realized its because my car is so bumpy that my foot is bouncing up and down slightly. haha
I had the same problem.
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Old 02-25-2006, 01:23 PM   #11
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timing, spark plug, spark plug wires. If its not ign, its fuel.
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Go back to whatever Honda forum you came from.
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