simple problems (over thinking)

General discussion forum about the 240sx, and a great place to introduce yourself to the board!
got chub
Posts: 1843
Joined: Sun Aug 19, 2007 3:10 am
Car: pearl white 95 240sx

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yes i have searched (both issues) and tried a few things but nothing has changed yet.

sorry for the grammar and spelling in advance, I'm bad at English so just try to muster through it and figure out what I'm trying to say

first off i have a viper alarm on my car (came with it). about a year ago it decided to to go off at 3am and has never worked properly from that point on. when i lock the car with the remote it chirps and then chirps again to say that a zone is open still. i have changed my door sensors(don't know correct word) from 3 different cars and its all the same. i have never touched the sensitivity so i didn't think that was the problem so it hasn't been messed with. i hate electronics just for this reason.

next up is a starting issue. when it started to warm up a bit my car would crank and instantly die, i could start it 3-5 times before it idled on its own. the next day i tried hitting the throttle before i started the car thinking there was gunk in the throttle body. that seamed to make a difference for a week but then it return so i decided i would actually clean the throttle body and lube the cables and springs. I've tried turning the screw on the IACV but i don't see a difference in that so i put it back where it started. this past week i have had to hit that throttle and keep it at 1000-1200 rpm for about 5 seconds and then it idles on its own. I'm trying to get this fixed before it doesn't idle at all.

all help is greatly appreciated


User avatar
LoserCard
Posts: 506
Joined: Sun Oct 14, 2007 11:21 pm
Car: Forest Green 1993 240SX SE Fastback
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First off, the alarm system may be shorting out somewhere in the wiring to the sensors, or possibly your trunk may have a sensor, or possibly the alarm unit is dying.

Second, if the bad idle was sudden, check for vacuum leaks. If you can't rev past 3.5k then its a bad MAF. If your idle goes up and down and occasionally dies then clean your IAC and AAC.


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