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Will not stay running/stalling out

Tiny
CHRISTA DICKSON
  • MEMBER
  • 1998 LEXUS GS 300
  • 6 CYL
  • 2WD
  • AUTOMATIC
  • 242,000 MILES
Car started with stalling put a couple times at low speeds/idle. Doesn't seem to respond to gas pedal being pressed most of the time. Loud popping sound from engine compartment. Have replaced every component on throttle body the apps sensor AIC, and TPS. Still stalling out after starting. Wont even run for maybe a couple seconds then rpm's get low and it does repeatedly. This is only car so what to check next would be greatly appreciated. Thanks
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Wednesday, December 4th, 2019 AT 12:53 AM

8 Replies

Tiny
CHRISTA DICKSON
  • MEMBER
  • 138 POSTS
Also, just adding. Have replaced pretty much everything on fuel system in past couple months but did get used from junkyard. Just now went out side to listen for fuel pump I heard it clicking but it is hard to hear on my car. Then it started and ran perfect until I get it to about 3,000 rpm's it started shaking and then another minute or two just letting it run I was not revving it or anything it shut off again and now it's doing the same thing bnb just cranking it wont turn over and run. Any help would be appreciated.
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Wednesday, December 4th, 2019 AT 3:31 AM
Tiny
MOTOR MASTER
  • MECHANIC
  • 279 POSTS
Hello my name is Dave.

In the video you shot it appears that the check engine light is on indicating there are trouble codes stored in the computer as would be expected.

Here is a link to our tutorial on checking the codes: https://www.2carpros.com/articles/checking-a-service-engine-soon-or-check-engine-light-on-or-flashing

If you could retrieve the codes and let us know what they are that would be the best place to start. Please let us know what you find and we will be more than happy to help you further and thank you for using 2CarPros!
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Wednesday, December 4th, 2019 AT 4:14 AM
Tiny
CHRISTA DICKSON
  • MEMBER
  • 138 POSTS
I managed to push it home went back out there a hour or two later and the check engine light was off! It's weird because it's been coming on and off by its self without resetting it and right now it's off. I'll barrow my friends scanner if I can find a ride over there and update you when I get a chance.
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Wednesday, December 4th, 2019 AT 4:28 AM
Tiny
CHRISTA DICKSON
  • MEMBER
  • 138 POSTS
The check engine light only flashes at about 5,000 rpm's then goes back off. Any idea why but would do that or what it means?
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Wednesday, December 4th, 2019 AT 5:42 AM
Tiny
CHRISTA DICKSON
  • MEMBER
  • 138 POSTS
It's back off. Can they still pull codes? It is popping a lot think it could be catalytic converter? Any easy way to test this on my car?
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Wednesday, December 4th, 2019 AT 8:15 AM
Tiny
CHRISTA DICKSON
  • MEMBER
  • 138 POSTS
Okay, I hooked it up to scanner check engine light is off now didn't clear it I don't know why but it says it's not pulling any codes.
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Wednesday, December 4th, 2019 AT 6:29 PM
Tiny
CHRISTA DICKSON
  • MEMBER
  • 138 POSTS
Okay, I finally after trying to start it repeatedly got it to pull p0130 it says ignition circuit malfunction (bank 1 or no 1) on scanner I have no idea what that means. Do I need to replace the actual igniter? I have located that pretty easily. Let me know what your thinking it wont run just stalls out. Thanks.
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Thursday, December 5th, 2019 AT 11:50 AM
Tiny
MOTOR MASTER
  • MECHANIC
  • 279 POSTS
Hello again, my data indicates that is O2 sensor 1 bank 1. Considering the miles and age of your car I would recommend replacing the sensor with a good quality replacement, personally I prefer Denso brand for your car. Provided that corrects the problem I would consider replacing the O2 1 bank 2 as it is most likely the same age as the other one. This would also explain why shutting the car off and allowing it to cool would allow it to start again as when it is first started it doesn't read the sensor until the sensor warms up since the sensor can't function until it warms up. Please keep it up to date on your progress and again thank you for using 2CarPros.
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Friday, December 6th, 2019 AT 3:59 AM

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