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| Engineering/ Technical Ask technical questions about cars. Do you know how a car engine works? |
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#1
05-07-2005, 12:25 AM
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bad spark plugs?
my friend told me all i need to do to fix my car is change the spark plugs. here are the symptoms:
check engine light is on. engine sounds like it is misfiring smells like gasoline when run. is he right? 
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#2
05-07-2005, 03:41 AM
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Re: bad spark plugs?
Its a good, inexpensive place to start. Depending on the year of your vehicle you can take it to a big chain auto parts store and they'll plug into it and read the codes for you. Then you'll know for sure what's wrong.
I personally don't think its plugs. They would slowly start exhibiting these symtoms getting worse over thousands of miles. Could be one plug, or some plug wires starting to fail. It could be a coil, ignition module, or any one of several EFI sensors (if so equipped.)
__________________
Dragging people kicking and screaming into the enlightenment.
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#3
05-08-2005, 03:33 PM
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Re: bad spark plugs?
You could try your local Autozone and see if they will run your codes for free...but being that you have a 94 (obdI I believe) they may not have the proper tool there to do it (generally they only do 96+ cars). Check in the Sentra part of the forum...perhaps they can assist you in pulling the codes from teh ECU yourself...as I know this was possibly simply with a paperclip in my old Honda...
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96 3000gt vr4 -K&N FIPK -Proboost mbc -Cusco front + rear strut bars -Greddy type-s -ATR downpipe -no cats -15Gs, 3sx aluminum pulley, FMIC, SAFC, walboro pump, EVO 560ccs, and Meth Injection Kit all waiting to go in shortly. Your 1996 Mitsubishi 3000GT VR-4 is the 92nd out of the 315 that were made that year. Only 21 of which are exactly identical.
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#4
05-09-2005, 09:26 PM
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Re: bad spark plugs?
It could be plugs, but honestly my first thought was fuel related. Either you're running wayyy to rich, or you could have a clogged or leaking fuel injector(s) - which would have the same exact symptoms. An injector purge should solve this, if it were the problem.
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#5
05-10-2005, 02:39 PM
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Re: bad spark plugs?
would clogged injectors cause the check engine light to go on? i talked to a guy at a parts store, and he said it could be the wires(the plugs didnt do it) so i changed those too and still same problem. im gona brin gmy cap and rotor to a mechanic to see if theyre good, but if there not, any other possibilities? car is a 94 nissan sentra 1.6L
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#6
05-15-2005, 10:07 AM
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Could be Plugs or Spark plugs wires on on tight. Could also be an O2 Sensor.
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