bobbys450h

07 gs450h 275000+ miles run fine but will just shut off going down the rd pull put in park hit the start button fires right back up.last week it happens again fires right back up .then i turned it off now it want start wtf.help please it's my only car can't afford the dealer

bobbys450h

07 gs450h 275000+ miles run fine but will just shut off going down the rd pull put in park hit the start button fires right back up.last week it happens again fires right back up .then i turned it off now it want start wtf.help please it's my only car can't afford the dealer .ready light just flashes

SILENTM

Check the regular battery

Gotcha350

And with that many miles and the fact that you state you can't afford the dealer I would think about getting something else...450h can be expensive to repair even outside the dealer if you can find someone who know what they are doing.

ibidu1

iTrader: (1)

Sounds like maybe an electrical connection problem from the battery to the ecu or alternator.

I would search for worn wires or loose terminals. Maybe also a bad alternator

Are any codes popping up? If there are go scan it at any auto parts store.

Stoodo

iTrader: (4)

I'm pretty sure the GS450h doesn't have an alternator.

But yes, definitely something electrical.

Gs3500

Loose battery terminal ?

Loonyis350

I have a 2008 IS350 I was using it last night part the car this morning I went to turn the car on it won't stay on more than a minute .what can be.need help plz .

Bavaria

Go to an Auto Zone store and have them perform a diagnostic scan and possibly see what codes are thrown, and what the fix might be. No charge.

XxGoKoUxX

wrong subforum, loonyis350, this is for the GS vehicles. You might want to make a post in the 2IS forums (https://www.clublexus.com/forums/is-...2006-2013-163/)

I will close this thread for now, since it hasn't been resolved for two years.

GL!