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#1
01-06-2002, 11:16 PM
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Rough Idle
When I bought my G (a '99), I loved the way the engine quietly purred. Now (at 40k miles), it seems to sound a bit rough. And when I start it, it idles hard. When I took it in for a check up about a month ago, they said that they noticed the hard idle, and I should have my injectors cleaned (for only $149). I thought that by running some high test, and trying a few fuel injector cleaners in my tank, that might fix it. Well, it didn't. So, should I pay the $149, or does anyone have any other ideas to bring back that smooth quiet purr....thanks!
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'99 Nissan Primera GT Turbo 
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#2
01-07-2002, 01:41 AM
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Injectors usually never go bad, I wouldnt waste your money on this.
What I would have done is have your throttle plate/body cleaned out. This usually tends to gunk up from the EGR recirculating exhaust gases back into your intake. This may free up your idle problems. Also check your base idle setting. This may need a reajustment. How many RPMs does your idle jump around? When you talk about rough idle, does that mean the car is vibrating?
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-Brian Jones I got a snake man
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#3
01-07-2002, 10:14 AM
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When I say "rough", I mean that the engine noise is much more noticable, and the car is rattling more. When I'm driving, and come to a stop, it's a bit quieter. It just seems to be worse when I'm in park, idling. Any ideas...
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'99 Nissan Primera GT Turbo
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#4
01-09-2002, 12:12 AM
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I once had an auto that rumbled/rattled in neutral and park but not in gear. Turned out that the flexplate bolts were loose.
Might be a red herring, but if they are loose then it will be much cheaper to tighten them than to have the flexplate shatter ... as mine did. 
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"The cause of liberty becomes a mockery if the price to be paid is the wholesale destruction of those who are to enjoy liberty." -- Mohandas Karamchand Gandhi "They that can give up essential liberty to obtain a little temporary safety deserve neither liberty nor safety." -- Benjamin Franklin "The biggest cause of trouble in the world today is that the stupid people are so sure about things and the intelligent folks are so full of doubts." -- Bertrand Russell
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#6
01-15-2002, 01:57 AM
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i think i have the same problem. when i start up it tends to idle rough but once warmed up it goes away. but now there is a new sound to the mixture. when i start my car for the firt time in cold wether i hear a weird noise for like 1 second. it kinda sounds like. hmm let me paint a picture if u guys ever hear a vacum that get stuck on something that wont get sucked up it kinda make a weezing noise. wondering if that is normall sound for the g20.
dam g20 are filled with little irritating noises
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#7
01-15-2002, 02:08 AM
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Quote:
__________________
-Brian Jones I got a snake man
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