car stalling, won't start back up. chronic issue. - Zilvia.net Forums | Nissan 240SX (Silvia) and Z (Fairlady) Car Forum

Nerfdude · 01-20-2003, 09:05 PM

tonight my car died. here's what happens. whenever you stick in the clutch, the rpm's drop down below 500 rpm's and bounce up to around 600. sometimes, the car stalls and you can restart it. DO NOT STOP READING THIS AND TELL ME IT'S THE IAA VALVE, THE AIV VALVE, OR SOME OTHER ANSWER LIKE THAT JUST YET. however, sometimes it stalls and won't start again. when i try to start it, the starter cranks but the car doesn't start. i've checked the wires for spark, and THERE IS NONE. what the HELL is up with that?
3 months ago i replaced the ignition control unit. the car stopped dropping and DYING, but still dropped pretty low. 2 months ago, it started dying again. i bought an ignition coil. it stopped dropping and dying. just now, it died again. i cleaned out the throttle body and the sensor tube thing that hooks to the airbox with carb cleaner. didn't help. so, my question: what the hell is wrong with the car? it's driving me insane, and i'm almost ready to give nissan the finger and go find myself a 2nd gen rx7 or a mkIII supra or something... maybe thier problems are less annoying...

also, when i searched for answers to this crap, i've seen people referring to the thing with reeds as both the IAA and the AIV. also, people have been calling the hard-to-reach thing both the AIV and IAA. so can someone please distinguish which is which, which does what, and what the acronyms stand for?

DuffMan · 01-21-2003, 03:30 AM

Does it still have no spark after dying like it did before. If a coil (maybe the distributer too) gets too hot, that can sometimes happen. Not sure why a distributer would get too hot like that, but a guess would be the wrong kind of plugs or wires. Could a ecu possibly hold a spark too long making more heat (i'm just guessing here, but maybe this will start you on the right path.)

Nerfdude · 01-22-2003, 07:45 PM

well, i'm guessing it's either the AIV or IAA, but i don't know which is which... can someone help?
hell, maybe it's the ieaiaio valve...

datkwikracer · 01-23-2003, 12:02 AM

my car had the same problem, (kinda mine did have a spark though) i replaced the MAFS and it works fine now if u decide to buy the MAFS get it from someone here on the forum doin a swap or somethin', a lot cheaper.

01-20-2003, 09:05 PM	#1
Nerfdude BANNED Join Date: Jul 2002 Posts: 495 Trader Rating: (0) Feedback Score: 0 reviews	car stalling, won't start back up. chronic issue. tonight my car died. here's what happens. whenever you stick in the clutch, the rpm's drop down below 500 rpm's and bounce up to around 600. sometimes, the car stalls and you can restart it. DO NOT STOP READING THIS AND TELL ME IT'S THE IAA VALVE, THE AIV VALVE, OR SOME OTHER ANSWER LIKE THAT JUST YET. however, sometimes it stalls and won't start again. when i try to start it, the starter cranks but the car doesn't start. i've checked the wires for spark, and THERE IS NONE. what the HELL is up with that? 3 months ago i replaced the ignition control unit. the car stopped dropping and DYING, but still dropped pretty low. 2 months ago, it started dying again. i bought an ignition coil. it stopped dropping and dying. just now, it died again. i cleaned out the throttle body and the sensor tube thing that hooks to the airbox with carb cleaner. didn't help. so, my question: what the hell is wrong with the car? it's driving me insane, and i'm almost ready to give nissan the finger and go find myself a 2nd gen rx7 or a mkIII supra or something... maybe thier problems are less annoying... also, when i searched for answers to this crap, i've seen people referring to the thing with reeds as both the IAA and the AIV. also, people have been calling the hard-to-reach thing both the AIV and IAA. so can someone please distinguish which is which, which does what, and what the acronyms stand for?

01-21-2003, 03:30 AM	#2
DuffMan Post Whore! Join Date: Oct 2001 Location: in a cardboard box Posts: 2,517 Trader Rating: (0) Feedback Score: 0 reviews	Does it still have no spark after dying like it did before. If a coil (maybe the distributer too) gets too hot, that can sometimes happen. Not sure why a distributer would get too hot like that, but a guess would be the wrong kind of plugs or wires. Could a ecu possibly hold a spark too long making more heat (i'm just guessing here, but maybe this will start you on the right path.)

01-22-2003, 07:45 PM	#3
Nerfdude BANNED Join Date: Jul 2002 Posts: 495 Trader Rating: (0) Feedback Score: 0 reviews	well, i'm guessing it's either the AIV or IAA, but i don't know which is which... can someone help? hell, maybe it's the ieaiaio valve...

01-23-2003, 12:02 AM	#4
datkwikracer Zilvia Member Join Date: Oct 2002 Location: 909/714 So Cal Age: 43 Posts: 164 Trader Rating: (0) Feedback Score: 0 reviews	my car had the same problem, (kinda mine did have a spark though) i replaced the MAFS and it works fine now if u decide to buy the MAFS get it from someone here on the forum doin a swap or somethin', a lot cheaper.