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Tech Talk Technical Discussion About The Nissan 240SX and Nissan Z Cars |
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10-12-2005, 11:15 AM | #1 |
Zilvia Member
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hard to start, backfires flames and pops, rough idle
lately ive been having a hard time starting my car...like it will take a few cranks to get her going. also when driving it shoot flames and backfires like crazy.
i also notice that it only has a hard time starting if i let her sit for longer than 20-30 minutes or so. if i shut the motor off then immediatly try to start it again...she will fire right up. at first i thought it might just be the o2 sensor cause it was shooting flames and running really rich but im starting to think it might be something else. maybe injectors? if so do u know how i can test or check them? thanks |
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10-12-2005, 11:38 AM | #2 | |
Zilvia FREAK!
Join Date: Jun 2005
Location: So. Cal, Riverside Area
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Quote:
-probably the starter, check it backfiring/shooting flames, how's the drive? does it feel normal? when i had that problem it was my injector, the orange tip broke off or wasn't there, so i leaked like crazy, gas was pouring out, car sounded like a wrx, lagged a lot, backfired a lot, POPPED like crazy, driving on the streets or freeway letting off the gas from 3k and dropping it would backfire then pop as loud as a gunshot (literally) and spit a big flame and light up the whole freeway with a white flash, is yours like that? oh yeah and then later on, sitting at a stop my car would have white smoke come out, but it was just a leaky injector thank goodness lol since my car felt like it was running only on 3 cylinders.. the way i checked for injectors/spark/etc. for how my problem was, was to.. turn the car on, unplug each fuel injector on each, see which ones are working or not, since one of mine wasn't working, (#1), when i unplugged it the motor sounded the same, but was different for the rest, so it narrowed down to #1, then check to see if its spark, spark plugs, fuel injector or whatever oh yeah to check injectors just uhh unbolt it and lift them up, turn the car on and see how they spray, thats how i checked the injectors, and taking them out the fuel rail and checking the o rings lol almost forgot about that |
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10-12-2005, 01:54 PM | #3 | |
Zilvia Member
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Quote:
thanks for your help |
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10-13-2005, 12:07 AM | #4 | |
Zilvia FREAK!
Join Date: Jun 2005
Location: So. Cal, Riverside Area
Posts: 1,110
Trader Rating: (3)
Feedback Score: 3 reviews
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Quote:
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10-12-2005, 11:39 AM | #5 |
Zilvia Junkie
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Sounds Like A Fuel Injector Leak... Maybe The O-rings Are Bad.
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