Idle Question?

ONLY for ADVANCED technical discussion about the 240sx!
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RS91
Posts: 76
Joined: Thu Feb 20, 2003 10:32 pm

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What is the Idle when the car is in park position and Drive position. My 95 240sx Idles about 1700 in partk position and 900 when in Drive position.

Thanks


7thGear
Posts: 157
Joined: Wed May 21, 2003 1:33 pm
Car: 1983 Porsche 944

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no car should idle more than 900 unless it is modded with an agressive cam. So something is defintly up.

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RS91
Posts: 76
Joined: Thu Feb 20, 2003 10:32 pm

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how can I solve this problem?

Meantime
Posts: 1379
Joined: Thu May 08, 2003 3:51 am

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Well, I'm not an expert in the idle circuit for an auto transmission...but the neutral idle is way too high.

Are you experiencing any other symptoms of poor running...i.e. high fuel consumption (probably goes without saying, with an idle that high), surging, hestitation, black smoke, anything like that.

When did it start exhibiting this behavior?

Is the ECU throwing any codes?

My 240 was idling WAY too high all the time...in neutral, it would be at like 1500, even when warmed up. It was due to a fouled O2 sensor. Replaced the sensor, cleaned out the intake manifold, and boom, runs perfecto.

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RS91
Posts: 76
Joined: Thu Feb 20, 2003 10:32 pm

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I have experience this when I changed my timing to 20* (factory spec). I did it without disconnecting the TPS. I was not sure if I have to. I have no other problems other than the Idle...

Thanks


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