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Is hunting and stalling

Tiny
IAN WEBSTER
  • MEMBER
  • 2006 PEUGEOT 307
  • 1.6L
  • 4 CYL
  • TURBO
  • 2WD
  • MANUAL
  • 137,042 MILES
When driving my car is losing throttle on and off and stalls. I have recently changed EGR valve, mass airflow sender unit and changed air filter. All of those needed changing but was doing it before. I need help please.
Thursday, September 14th, 2017 AT 2:05 AM

7 Replies

Tiny
KEN L
  • MASTER CERTIFIED MECHANIC
  • 47,643 POSTS
It sounds like you have a turbo that is lost its boost. Can you remove either the inlet or outlet to check the turbine end play. Move the shaft up and down to check the play please.

Here is a guide to help.

https://www.2carpros.com/articles/how-turbo-chargers-work

and

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

Could have a vacuum leak as well.

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

Please let us know what happens and upload pictures or videos of the problem.

Cheers, Ken
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Friday, September 15th, 2017 AT 3:56 PM
Tiny
IAN WEBSTER
  • MEMBER
  • 5 POSTS
I've checked the turbo turbine and it's not loose I also made an error it's not hunting wen I release the throttle only when I acelerate. There isn't a way of recording because I've got to be driving but it can be constant when driving at 30 mph. Have you any other suggestions plz
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Saturday, September 16th, 2017 AT 9:38 AM
Tiny
KEN L
  • MASTER CERTIFIED MECHANIC
  • 47,643 POSTS
Can you have someone else record it while you are driving it will cut down on a bunch of diagnostic time.
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Saturday, September 16th, 2017 AT 2:52 PM
Tiny
IAN WEBSTER
  • MEMBER
  • 5 POSTS
I will get my partner to film it. She says it's like I'm taking my foot of accelerator for a second or so that's how slight it is but it goes wen I put my foot down. Will film tomorrow
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Saturday, September 16th, 2017 AT 3:50 PM
Tiny
KEN L
  • MASTER CERTIFIED MECHANIC
  • 47,643 POSTS
Sounds good
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Sunday, September 17th, 2017 AT 11:45 AM
Tiny
IAN WEBSTER
  • MEMBER
  • 5 POSTS
I tryed to film but it's not noticeable unless your actually driving. I've found a pipe under the turbo. I think it's the oil return pipe. And it's a bit soft and flimsy do you think that could be the problem? I'm ordering a new one anyway. But would like to now plz
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Sunday, September 17th, 2017 AT 11:52 AM
Tiny
IAN WEBSTER
  • MEMBER
  • 5 POSTS
Will film the pipe tomorrow in daylight
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Sunday, September 17th, 2017 AT 11:53 AM

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