Car starts but shuts off?

Tiny
DIONISIO CAREY
  • MEMBER
  • 1999 LEXUS GS 300
  • 3.0L
  • 6 CYL
  • 2WD
  • AUTOMATIC
  • 130,000 MILES
Running until I crossed jumped it. Blew fuse and replace but car would start then shut off. A/C working, sunroof working.
Wednesday, July 31st, 2024 AT 5:58 AM

1 Reply

Tiny
KEN L
  • MASTER CERTIFIED MECHANIC
  • 47,756 POSTS
Okay, yep, the car battery does not like to be connected backwards, it sounds like the throttle bore control motor has gone out, here is a guide to help explain more what's going on:

https://www.2carpros.com/articles/resolving-reverse-battery-connection-in-cars-a-step-by-step-repair-guide

We should run the codes to see if any are stored, which can help us see what needs to be replaced.

https://www.2carpros.com/articles/checking-a-service-engine-soon-or-check-engine-light-on-or-flashing

Here is how to change the throttle body out in case it is stored for it. Check out the images (below). Please let us know what happens.
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Wednesday, July 31st, 2024 AT 6:16 PM

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