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This car turns off by itself when is running

Tiny
GVFZ
  • MEMBER
  • 2005 PONTIAC GRAND PRIX
  • 3.8L
  • V6
  • FWD
  • AUTOMATIC
  • 150,000 MILES
When the car is running turn off by itself, also when I make a stop it turns down, I have change the fuel pump already and check all the vacuums and the GR valve what do you think might be the problem also I would like to comment that there's a T/C code on in the revolution I would appreciate your help thank you!
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Thursday, January 22nd, 2015 AT 9:29 PM

12 Replies

Tiny
HMAC300
  • MECHANIC
  • 48,601 POSTS
Try cleaning the throttle plate and iac hole with choke cleaner. Then have a trans guy scan it if it's a t/c code the converter may be staying on locked up causing it to stop
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Friday, January 23rd, 2015 AT 6:07 AM
Tiny
GVFZ
  • MEMBER
  • 27 POSTS
I did cleaned the throttle plate and iac hole over the weekend and I did scaned it for the t/c light but there's not appear a code in the scanner but the t/c light remains on, and also how I can do to find out if the converter is on locked up or not after I did the throttle and iac hole?
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Monday, January 26th, 2015 AT 8:31 AM
Tiny
HMAC300
  • MECHANIC
  • 48,601 POSTS
Normally when the converter stays locked up the engine stalls. Have a trans guy check it. You may have connection problem with your scanner as well.
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Monday, January 26th, 2015 AT 9:25 AM
Tiny
GVFZ
  • MEMBER
  • 27 POSTS
I found out that the catalytic it's brand new so do you think there is still a problem with the converter, also I did checked the coils and the first two seem as if it would be cutting electricity would you please help me with this situation I really will appreciate it thanks!
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Wednesday, January 28th, 2015 AT 10:28 PM
Tiny
HMAC300
  • MECHANIC
  • 48,601 POSTS
The torque converter for the transmission I should have been a little more explicit
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Thursday, January 29th, 2015 AT 5:47 AM
Tiny
GVFZ
  • MEMBER
  • 27 POSTS
You been explicit, was me who may didn't understand it since I don't have much experience like you but I appreciate tons, do you think that I should check the injectors or the coils before to go check the torque converter?
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Thursday, January 29th, 2015 AT 9:41 AM
Tiny
HMAC300
  • MECHANIC
  • 48,601 POSTS
A torque converter should be checked by a pro as well as the car should scanned for codes as well as the injectors
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Thursday, January 29th, 2015 AT 9:58 AM
Tiny
GVFZ
  • MEMBER
  • 27 POSTS
I'm fixing a hyunday sonata 04 may you help me I need to torque the damp pully can you please tell me how many pounds are necessary to torque it thank you so much!
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Friday, January 30th, 2015 AT 5:27 PM
Tiny
HMAC300
  • MECHANIC
  • 48,601 POSTS
This question should be reposted besides you didn't give engine size
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Saturday, January 31st, 2015 AT 6:17 AM
Tiny
GVFZ
  • MEMBER
  • 27 POSTS
I'm sorry it isn't a damp pully it the crank shaft pulley on a 04 hyunday sonata 2.4 may you tell me how many pounds to torque it, I did change the timing belt and when I put every thing back the car is making a noise on the belts side and also runs the car runs as it is to tide
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Saturday, January 31st, 2015 AT 10:01 AM
Tiny
HMAC300
  • MECHANIC
  • 48,601 POSTS
50-60 ftlbs. But when a belt is changed it should be done as a kit with tensioner and water pimp
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Saturday, January 31st, 2015 AT 3:36 PM
Tiny
GVFZ
  • MEMBER
  • 27 POSTS
I appreciate it was very helpful I did it right thanks to your help God bless you!
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Saturday, January 31st, 2015 AT 10:22 PM

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