car bogging out at idle - Zilvia.net Forums | Nissan 240SX (Silvia) and Z (Fairlady) Car Forum

katinkid · 10-11-2008, 09:13 PM

91 240sx hb 234k miles bogging out at idle sometime only it weird. runs perfect otherwise.

dips down then goes up and back down... sometimes it levels out and other times it dies.

im thinking the fuel filter needs replacing
air filter is clogged

what do you think? any recommendations greatly appreciated this is my DD

car is stock btw

HS13KLS · 10-11-2008, 10:01 PM

check for vacuum leaks
check the air filter

also check spark plugs and wires..
and also check your distributor.and the rotor. it may be damage..mine was and i just fixed it

lightsource · 10-12-2008, 12:53 AM

The fuel filter may very well need a replacement but I doubt that will change the idling problem.
You may need to clean out the throttle intake, lots of exhaust dirtyness can be in there so you may need to clean that out so you're not bogging out.

But do as HS13KLS, spark plugs & wires. May also be your alternator. You don't have a SR20 so I don't know how KA's are. Just my suggestions.

lightsource · 10-25-2008, 04:48 PM

you ever get this fixed?

katinkid · 10-27-2008, 03:51 PM

yah sorry guys i swear i posted this up maybe it was 240sx.org

problem was so simple... it ended up being the air filter lol! first thing i thought of and overlooked due to me thinking it wasnt that important!

guess u cant forget the basics.

Thanks guys for all ur help!

10-11-2008, 09:13 PM	#1
katinkid Join Date: Oct 2008 Location: orange county, ca Age: 25 Posts: 10 Trader Rating: (0) Feedback Score: 0 reviews	car bogging out at idle 91 240sx hb 234k miles bogging out at idle sometime only it weird. runs perfect otherwise. dips down then goes up and back down... sometimes it levels out and other times it dies. im thinking the fuel filter needs replacing air filter is clogged what do you think? any recommendations greatly appreciated this is my DD car is stock btw

10-11-2008, 10:01 PM	#2
HS13KLS Zilvia FREAK! Join Date: Aug 2006 Location: Illinois/California Age: 34 Posts: 1,114 Trader Rating: (13) Feedback Score: 13 reviews	check for vacuum leaks check the air filter also check spark plugs and wires.. and also check your distributor.and the rotor. it may be damage..mine was and i just fixed it

10-12-2008, 12:53 AM	#3
lightsource Zilvia FREAK! Join Date: Jul 2008 Location: Compton, CA Posts: 1,153 Trader Rating: (41) Feedback Score: 41 reviews	The fuel filter may very well need a replacement but I doubt that will change the idling problem. You may need to clean out the throttle intake, lots of exhaust dirtyness can be in there so you may need to clean that out so you're not bogging out. But do as HS13KLS, spark plugs & wires. May also be your alternator. You don't have a SR20 so I don't know how KA's are. Just my suggestions.

10-25-2008, 04:48 PM	#4
lightsource Zilvia FREAK! Join Date: Jul 2008 Location: Compton, CA Posts: 1,153 Trader Rating: (41) Feedback Score: 41 reviews	you ever get this fixed?

10-27-2008, 03:51 PM	#5
katinkid Join Date: Oct 2008 Location: orange county, ca Age: 25 Posts: 10 Trader Rating: (0) Feedback Score: 0 reviews	yah sorry guys i swear i posted this up maybe it was 240sx.org problem was so simple... it ended up being the air filter lol! first thing i thought of and overlooked due to me thinking it wasnt that important! guess u cant forget the basics. Thanks guys for all ur help!