Engine shuts off while waiting at light

Tiny
KAREN JENNY STUNZ
  • MEMBER
  • 2005 SCION TC
  • 4 CYL
  • 2WD
  • MANUAL
  • 122,000 MILES
After having the water pump replaced due to all the coolant leaking out, the engine valve cover gasket set replaced, door/power window switch replaced ($591.00 for this part alone), and the switch replaced for the back-up lamps (total was over $1,500.00), the car now is trying to shut off when I am stopped too long and it finally did that today. New battery last December. I am retired and living on a fixed income. I cannot afford these costly and, in my mind, ridiculously expensive, parts and cannot afford to get a newer car. Please help.
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Tuesday, April 10th, 2018 AT 11:21 AM

5 Replies

Tiny
KEN
  • ADMIN
Hello,

It sounds like you have a vacuum leak which will cause the engine at act the way you have described. Here are two guides to help us run some easy tests to figure out what is going on:

https://www.2carpros.com/articles/how-to-use-an-engine-vacuum-gauge

and

https://www.2carpros.com/articles/stall-at-idle

Please let us know what you find.

Cheers, Ken
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Wednesday, April 11th, 2018 AT 10:31 AM
Tiny
KAREN JENNY STUNZ
  • MEMBER
Thank you. Am trying to find someone who can look at the car. Added description to problem: it chugs and then shuts off at stop lights or just stopping.
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Thursday, April 12th, 2018 AT 8:41 AM
Tiny
KEN
  • ADMIN
Have you had a tune up lately? Because bad spark plugs can cause this problem as well.

https://www.2carpros.com/articles/how-to-tune-up-a-car-engine

Do you have a check engine light on?
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Thursday, April 12th, 2018 AT 11:02 AM
Tiny
KAREN JENNY STUNZ
  • MEMBER
I had the spark plugs and coils replaced. Picked up car, drove a quarter mile and the check engine light was lit and it was still chugging at stop light. Took car back and they found (sorry, I do not know the name of it) a wire that had all the insulation rubbed off of it and it was showing bare metal. It was about twelve inches long and was underneath the engine. They replaced it and my car has never run better. Thanks for your help. I just hope my car keeps on running as I cannot afford a newer vehicle and I have already spent more on repair bills in three months than the car is worth! A curious thing did happen when the battery was disconnected; my passenger side window stopped working (again) and this, after I had just spent nearly $600.00 (yes $600.00) for a switch to fix at a different auto repair shop. It is covered by a five year warranty, but it begs the question. Did I really need to fork over this kind of money for a switch? I will be looking into the fact that I have been ripped off and I will be perusing this further. Funny, when Firestone ruined my engine in December 2016 (wrong oil filter was put on), my passenger side window did not work after I picked up the car. However, by the time the six month warranty had expired, I had not discovered it did not work because it was winter and I did not need it. I will be asking for the part they will be replacing (I asked, but did not receive last time) so that I can get some estimates. It seems to me that something just needs to be reset (and I have tried all the suggestions that I have found online). Nowhere on the internet can I find a switch that costs $600.00. Thanks again! Karen
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Thursday, April 26th, 2018 AT 2:44 PM
Tiny
KEN
  • ADMIN
Yes, it is hard to say what costs $600.00 did they tell you what the part was? Glad you could get it fixed, that kind of problem can be tough. Please use 2CarPros anytime we are here to help.

Cheers, Ken
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Thursday, April 26th, 2018 AT 4:18 PM

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