Car idle low 500-700RPM - Zilvia.net Forums | Nissan 240SX (Silvia) and Z (Fairlady) Car Forum

gnozahs · 11-12-2013, 02:08 PM

Here is a link showing how my car sounds/looks. My car has been idling low like this for quite a while. There's what seems to sound like a leak in the engine bay but not sure where it's coming from. The car stalls and the car bogs at low RPMS when the car is warmed up. Any help?
1991 Nissan 240SX KA24DE low idle issue - YouTube

dannyc240 · 11-13-2013, 04:02 PM

Check your iacv. Should be located near intake manifold. Its adjustable with a screw driver. Try that adjust slow and see the difference

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hollerjeet · 11-15-2013, 04:42 PM

double check your timing to see correct, 20 degrees, if that is good, trying cleaning your iacv then adjust it to bring up the idle. you can hear the hiss from the major vacuum leak in the video. buy some carb cleaner and spray it on all the hoses when the engine is on, if theres a crazy change in idle.. thats where your leak is occurring. if i was you, i would replace all the vacuum lines if they havnt been replaced already. check your intake pipes and connectors for cuts or damage.

jame5x · 11-17-2013, 04:27 PM

Clean the IACV. Here is my thread.

http://zilvia.net/f/s-chassis/516411...when-warm.html

11-12-2013, 02:08 PM	#1
gnozahs Zilvia Member Join Date: Feb 2008 Location: MX Posts: 232 Trader Rating: (2) Feedback Score: 2 reviews	Car idle low 500-700RPM Here is a link showing how my car sounds/looks. My car has been idling low like this for quite a while. There's what seems to sound like a leak in the engine bay but not sure where it's coming from. The car stalls and the car bogs at low RPMS when the car is warmed up. Any help? 1991 Nissan 240SX KA24DE low idle issue - YouTube

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11-13-2013, 04:02 PM	#2
dannyc240 Join Date: Feb 2013 Location: philadelphia Posts: 2 Trader Rating: (0) Feedback Score: 0 reviews	Check your iacv. Should be located near intake manifold. Its adjustable with a screw driver. Try that adjust slow and see the difference Sent from my LG-MS770 using Tapatalk

11-15-2013, 04:42 PM	#3
hollerjeet Zilvia Junkie Join Date: Jan 2007 Location: San Jose CA Posts: 374 Trader Rating: (18) Feedback Score: 18 reviews	double check your timing to see correct, 20 degrees, if that is good, trying cleaning your iacv then adjust it to bring up the idle. you can hear the hiss from the major vacuum leak in the video. buy some carb cleaner and spray it on all the hoses when the engine is on, if theres a crazy change in idle.. thats where your leak is occurring. if i was you, i would replace all the vacuum lines if they havnt been replaced already. check your intake pipes and connectors for cuts or damage.

11-17-2013, 04:27 PM	#4
jame5x Zilvia Junkie Join Date: Jan 2006 Location: --- Posts: 386 Trader Rating: (7) Feedback Score: 7 reviews	Clean the IACV. Here is my thread. http://zilvia.net/f/s-chassis/516411...when-warm.html