Nissan 1988 Sentra 2 Door
Problem for Nissan 1988 Sentra 2 Door

Idle




By onlymet242 on Mar 13, 2009

" "
my idle is always high when I come to a stop the idle never goes down. When engine is cold it is always stalling. when engine is warm does not stall, but idle is to high. How can I find out the engine size, my 88 nissan sentra is a manual transmission.
Thank you,
Jack
Comments:

Mar 13, 2009

- Thank You I'm gonna try that I"ll let you know.

Mar 13, 2009

- I also notice that the fans next to the radiator don't turn all the time is that only when the engine is hot then they turn on? and the needle to temperature gauge is always 3/4 to the Hot! is this safe? it does not go any further than that never passed the line to hot

Best Solution

posted on Mar 13, 2009
Helpful)

milespeed

Rank: Wiz  Motors  Expert
Rating: 83%, 323 votes
i strongly suspect a vacuum leak.. check for disconnected hoses or intake area leaking by spraying carb cleaner around those areas while idling.. if engine personality changes you are close
Comments:

Mar 13, 2009

- the fans turn on when the radiator tells them it is hot... the A/C however should call the fans always...3/4 hot is too high ..but a vacuum leak casues the engine to run lean..ie: hotter.. . find the leak
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