LS - 1st and 2nd Gen (1990-2000) Discussion topics related to the 1990 - 2000 Lexus LS400

Car only starts with gas pedal pressed

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Old 06-04-12, 07:09 PM
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GSTEMP
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Default Car only starts with gas pedal pressed

Yesterdy my car startup started to sound weaker and weaker each time, until finally the ignition would just click( sounded like a tazer). If i press the gas and turn the key then the car will start and the Check VSC light pops. I have had to start my car like this every time today.

Anyone know what this may be?

I have to get my car smogged and renew registration very soon, kinda sucks
Old 06-05-12, 04:06 AM
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PureDrifter
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if you have a check engine light, get it read....

if not, have the battery/alternator/starter tested. either way, we can't do anything at all with the amount of information you gave us.
Old 06-05-12, 08:50 AM
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GSTEMP
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Sorry, i dont have anymore info on it, that is all that is happening.
There is no check engine light though.

Today i stopped at the gas station and it wouldnt start, it was completely dead with no "tazer" noise from trying to start it, just straight dead. I got a jump start and it started fine with giving it some gas. One of the terminals was corroded pretty bad.

Im hoping its the battery, seems like it would be since a jump start got it back up and going...then again i dont know crap.
Old 06-05-12, 09:11 AM
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j2b4o
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The "tazer" sound sounds like a dead battery not sending enough juice to the starter. Sometimes they click sometimes they make a sound like you describe. I just don't see what the gas pedal has to do with it, shouldn't be related. The jumping also points to battery but could just as easily be corroded terminals. Autozone tests battery's for free. They have a tester that comes out to the car (AARPS tester) although they will likely deny it. But if they decide to roll it out for you it can test the alt also. If they are real good it can test for bad wires and connections. Start by testing the battery and see where it goes.
Old 06-05-12, 09:15 AM
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GSTEMP
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Originally Posted by j2b4o
The "tazer" sound sounds like a dead battery not sending enough juice to the starter. Sometimes they click sometimes they make a sound like you describe. I just don't see what the gas pedal has to do with it, shouldn't be related. The jumping also points to battery but could just as easily be corroded terminals. Autozone tests battery's for free. They have a tester that comes out to the car (AARPS tester) although they will likely deny it. But if they decide to roll it out for you it can test the alt also. If they are real good it can test for bad wires and connections. Start by testing the battery and see where it goes.
thanks man, if its free then i can afford that right now, autozone here i come
Old 06-05-12, 11:00 AM
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sounds like a dying battery to me. also clean the terminals, corroded ones will not conduct properly.
Old 06-05-12, 11:06 AM
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GSTEMP
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Ah yes back in business!
Just needed to swap out the battery.

Thanks for all ur help guys!
Old 06-05-12, 11:48 AM
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Justinkm
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Same thing happen to me when I first got my car.. I just bought an optima(red top) battery and its fine again..
Old 06-05-12, 11:58 AM
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mikes7ke
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I had a problem that sounded just like this. Changed the battery and it was temporarily fixed. Changed the alternator and it was temporarily fixed. Then whenever letting the car sit for a few weeks I'd have to give it a jump. So one day it wouldn't start even with a jump. So I cleaned the ground point and stripped the plastic off the battery ground cable. It was corroded real bad. So I redid the battery ground cable and the battery I thought was dead was able to start the car right up. And the windows go up and down a few seconds faster, too.
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