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Thread: Starts fine, rough idle when warm (not cold) why?

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Posts: 1-4 of 4
2014-11-01 18:22:26
#1
Starts fine, rough idle when warm (not cold) why?
Hey all,

Been fighting a strange situation where the car runs fine when it is cold but as soon as it gets up to temp, the idle huts between 1-2k and if you rev and let-off, it will die. Things I've tried

1) Changed plugs
2) Changed oil (because the car was flooded and smelled like gas)
3) adjusted TPS to .45v
4) Regrounded the MAF.

This started happening all of a sudden. As it stands, the car is very hard to drive on the street because starting from a light requires a few revs to keep it from dying. Open to ideas on what to look at next.

98 SE-R with SR20VE and mods
2014-11-01 19:11:34
#2
Using the ve throttle body?

- - - Updated - - -

What ecu?
2014-11-01 20:46:32
#3
Starts fine, rough idle when warm (not cold) why?
It's a bored out TB and xcessive manifold. It's been running just fine and now it's not. Someone suggested to clean/replace the idle control valve.


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2014-11-01 20:47:37
#4
Starts fine, rough idle when warm (not cold) why?
Ecu is for the vvl I believe with a wideband 02 sensor.


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