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1989 240sx Coupe running Hard ???

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Old 11-16-2008, 03:19 PM
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Default 1989 240sx Coupe running Hard ???

My friend has a 1989 coupe and its running really hard it just started doing this like 1 week ago What could cause this ????
Old 11-16-2008, 03:40 PM
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like 11ventybillion different things dude.

start with a tune up (plugs/wires/cap/rotor)

also check your maf, make sure its not just slightly unplugged.
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Old 11-16-2008, 03:44 PM
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the single cam's about to spontaneously com bust. lol

However what your describing sounds like what Martin fixed on my single cam coupe like 5 years ago. It ended up being the TPS sensor.

Try doing a tune up and let us know what happened
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Old 11-16-2008, 05:14 PM
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found the problem just bad injectors Thanks Tho




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