car shut off while driving. wont start back up...at all - Lexus IS Forum
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post #1 of 70 (permalink) Old 06-01-2011, 12:30 PM Thread Starter
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car shut off while driving. wont start back up...at all

hi gang,

i was making my way up the Merrit Pkwy in CT and all of a sudden i get no response from the gas pedal. looked down and saw all the warning lights burning. i popped the clutch [50 mph in 4th] and got jack shit. i was lucky enough to stall where there was a shoulder. most of the highway is two lanes with no shoulder.

once pulled over, i tried to restart the car. all the dash lights glowed and the chime was singing its song. turned the key to start and nothing happened. not even as much as a click from the starter motor.

from what i've read in the search results, it could have run out of fuel, aem intake problem, e-shift dropped to neutral while coasting. none of which apply in my situation.

car is a 2003. 110k. 1MO alternator. 5 speed. stock intake. no CEL. about 70 miles in from a full tank of gas. 12V as indicated on the dash.

ideas?

Last edited by vic nyce; 06-01-2011 at 12:53 PM.
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post #2 of 70 (permalink) Old 06-01-2011, 12:38 PM
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The starter did not engage when you turned the key....
So check the battery terminals and the grounds.
No click... dash lights didn't dim.... So its possible the starter is bad, try hitting the starter body, yes I know its a bitch to even see, If it starts its the starter, either the solenoid is sticking or a internal bad connection or wire connection.

I think you must of lost all power to stall it, so check all your connections on battery and alternator.

2004 IS300 MSM LSD Manual 5 speed. new clutch 141K May2010, CDD delete
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post #3 of 70 (permalink) Old 06-01-2011, 12:57 PM Thread Starter
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yeah not even a click. strange huh. i've had a starting problem before where the power wire to the starter came loose. i was just getting a clicking sound which im guessing is the solenoid engaging. but this time, it's like its not even there. i'll give it a shot. thanks IanH.
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post #4 of 70 (permalink) Old 06-01-2011, 12:58 PM
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I'm thinking battery connection or engine ground wire issue. Even if the starter was bad your car stalled for some reason. If the battery connections were bad(loose or corroded) and say your radiator fans and brake lights would come on, that would be enough to stall your engine.

'02 IS300 MSM LSD
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post #5 of 70 (permalink) Old 06-01-2011, 01:17 PM
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If its not the battery connections, then I would verify your battery voltage is at least 12.2vdc. If it is low or dead then I would do some simple tests on the charging system.

DIY:CHARGING SYSTEM FULL DIAGNOSTIC(alternator/battery)

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post #6 of 70 (permalink) Old 06-01-2011, 01:20 PM Thread Starter
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thats a very good idea. the battery ground [in my trunk] is definitely secure. thats the second place i looked while i was stalled on the shoulder. i still have yet to locate the engine ground. i remember you mentioned to check that when i was having charging problems.
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post #7 of 70 (permalink) Old 06-01-2011, 02:33 PM
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Engine ground is located behind the passengerside motor mount.

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post #8 of 70 (permalink) Old 06-01-2011, 03:08 PM
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check your ecu fuse also mine blew while driving & i had no idea it could.... everything shut down on me doing 35 on a winding road with 2 feet of shoulder.... not cool


good luck let us know what it was when u find it
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post #9 of 70 (permalink) Old 06-01-2011, 05:56 PM
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Check timing belt. Take timing cover off...have someone start car. See if cam gears move.

B

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post #10 of 70 (permalink) Old 06-01-2011, 09:45 PM
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I think if the belt breaks you get very expensive noises.....

2004 IS300 MSM LSD Manual 5 speed. new clutch 141K May2010, CDD delete
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post #11 of 70 (permalink) Old 06-02-2011, 01:20 AM
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did all you lights on the dash flash before it stopped? mine did that and it was a bad connection to the battery terminal which had been going on for a while because i think the flashing lights was a warning my alternator went bad.

*blah just noticed your alternator is only a month old
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post #12 of 70 (permalink) Old 06-02-2011, 05:25 AM
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Quote:
Originally Posted by vuu View Post
*blah just noticed your alternator is only a month old
That really doesn't really mean anything. I know and have heard alternators going bad when a battery connection is lost, no matter if it's a 100A or 220A re-wound alt. The battery acts as a buffer to the regulator and smoothes the spikes out of the voltage regulation. If you have a decent electrical load and the battery is disconnected even for a split second, it can kill the regulator instantly, doesn't matter if the alt is brand new or not. That's why the battery should NEVER be disconnected while the car is running. True story, seen it happen.

'02 IS300 MSM LSD
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post #13 of 70 (permalink) Old 06-04-2011, 05:51 PM Thread Starter
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progress report.

checked all fuses with a test light and starter fuse on driver's side kick panel is not getting power.
connected starter solenoid to starter motor and it cranks, but does not start. key does not activate the starter motor.

fuel pump is not making any sound. fuel pump relay and fuse were OK.

what else have you guys got?
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post #14 of 70 (permalink) Old 06-04-2011, 06:37 PM
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Does your security light go out after inserting the key? Also check the 25A EFI fuse under the hood by the battery. If your fuel pump relay does not energize after turning the ignition on, there may be an issue with the immobilizer or EFI circuit.

'02 IS300 MSM LSD
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post #15 of 70 (permalink) Old 06-04-2011, 06:41 PM
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You could check the ignition switch wiring. Had something like that happen on another car I had. The ignition switch wasn't holding in the run position and so nothing was getting power. Fuel pump would not get power and starter would not engage. Definitely check the battery for proper voltage though. If you are low or have a bad connection, then that maybe adding to the problem.
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