02 Nissan Sentra GXE
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02 Nissan Sentra GXE
My gf's sentra's service engine soon light can on, so we took it to autozone and they said its a misfire in cylinder number 1. It has 80,000 miles on it. She said the spark plugs have never been changed. So i replaced them and still same problem. The only things left are the injector and the coil pack that could be causing the problem correct? Is there anyway of checking the coil pack to make sure its not it?
#3
Re: 02 Nissan Sentra GXE
well if it comes back on for the same thing, disconnect the cly 1 coilpack, and if the idle/engine sorta sounds like its about to cut off, then its not the coil.
it could be a clogged injector as well.
or even a headgasket.
is this a 2.5L altima?
it could be a clogged injector as well.
or even a headgasket.
is this a 2.5L altima?
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Re: 02 Nissan Sentra GXE
seen problems with coils, if the light comes on number the coils and switch them around if a different cyl. misfires then coil, and head gasket are known to fail on these took put a pressure tester on it and check the cyl. for coolant
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Re: 02 Nissan Sentra GXE
they dont have a dizzy so when i change the coil pack to a different cly. it wouldnt make it misfire becasue its not on the right cyl correct?
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Re: 02 Nissan Sentra GXE
if the coil on cyl. one is intermitten bad and then you switch the coil to number three then that cyl. codes misfire then you know the coil is bad, at that point i rec. replacing all four, the coils are all interchable in this motor
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Re: 02 Nissan Sentra GXE
i thought you could switch them around and it still sparks normally. The light went off now that i changed the plugs. But im def. going to keep my eye on it. The car does have 80,000 miles with out a spark plug change so i mean it was about due for it ya know?
#9
Re: 02 Nissan Sentra GXE
light could have gone off during a number of cycles with ignition switch, some cars cycle 8 times, no it would not hurt to switch coil packs around, pcm controls firing order, coils aren't sold by which cylinder it is. 80k is normal for a tune up on these cars, 90k is recomended
Last edited by kseriesdc2; 09-13-2007 at 06:56 PM.
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Re: 02 Nissan Sentra GXE
light could have gone off during a number of cycles with ignition switch, some cars cycle 8 times, no it would not hurt to switch coil packs around, pcm controls firing order, coils aren't sold by which cylinder it is. 80k is normal for a tune up on these cars, 90k is recomended
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