300ZX (Z31) Forums Dedicated to 84-89 ZCars otherwize known as the Z31's

Injector Cooling Fans

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Old Jul 16, 2008 | 08:41 PM
  #1  
mrbillishome's Avatar
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From: Cross Lanes, WV
Injector Cooling Fans

I was wondering if the injector cooling fans only came on the turbo models, because my N/A has one and i was wondering if it was added on?
Old Jul 18, 2008 | 08:07 AM
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'86 N/A came with the injector cooling fan. It's junk. It was the absolute first piece of "un-needed" weight that came off of mine.
Old Jul 18, 2008 | 08:20 PM
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I was looking through my haynes manual and noticed that the injector cooling fan was located on the fan shroud. So I am a little confused but my ducting is only on the passenger side vavle cover, so thats the same thing
Old Jul 19, 2008 | 05:04 PM
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Originally Posted by mrbillishome
I was looking through my haynes manual and noticed that the injector cooling fan was located on the fan shroud. So I am a little confused but my ducting is only on the passenger side vavle cover, so thats the same thing
Yup.......
Old Jul 20, 2008 | 03:21 PM
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sweet thanks
Old Jul 23, 2008 | 02:10 PM
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Only the 1984 turbo, 1985 turbo, and 1986 N.A. models have the fuel injector cooling fan. The fan is on the driver's side for the 84T and 85T models; it's on the passenger side for the 86NA model.

The fuel injector cooling fan can stay on for 12-15 minutes after you’ve turned the ignition key off. It’s job is to help prevent fuel vapor lock. Coolant temperature, not ambient air temperature, determines whether or not the fan should turn on. The fan can weaken an already weak battery. Many owners have disconnected or removed the fan. I left mine alone since it's never caused me any problems.
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