Nissan Primera erratic idling

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Nigem154 - 16 Jun 2005 01:35 GMT

Every time I de-accelerate my revs drop to 1500 for a few seconds and
then stabilize at 800,does anyone know of this fault please? Also fuel
consumtion is very high,Thanks for looking,Nige

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Andy Champ - 16 Jun 2005 21:19 GMT

> Every time I de-accelerate my revs drop to 1500 for a few seconds and
> then stabilize at 800,does anyone know of this fault please? Also fuel
> consumtion is very high,Thanks for looking,Nige

My old (1995 1600) Primera did this too. I found it slightly
off-putting, but since it did over 40MPG (UK gallons) for 50,000 miles
with this I decided it couldn't really be a problem. I also noticed
that if I coasted in neutral the idle speed would stay high until I
actually stopped. Wierd.

Your fuel consumption is a horse of another colour, and certainly worth
worrying about. Any other clues?

Andy.

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SteveB - 18 Jun 2005 07:01 GMT

Evidently the first suspect with high fuel consumption is the oxygen sensor,
but I can't speak from experience as I've never had a problem in about
110,000m of Primera 2.0 motoring , getting around 39mpg in both a '94 and a
'97. The one thing that got the '94 better than the original 34mpg when I
bought it was setting the timing to 17 degrees (the spec is 15±2 and it was
set to 11, the 1.6 engine is different though).

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