Lack of power (acceleration) for first few minutes when driving

Tiny
JPOWER1992
  • MEMBER
  • 2005 VOLKSWAGEN GOLF
  • 2.0L
  • TURBO
  • FWD
  • MANUAL
  • 155,000 MILES
I recent bought this car and the problem I have is there is no or very little power (acceleration) in it until the engine heats up to normal driving temperature and it becomes normal again. There is also a loud whistling noise when I give her throttle which makes me believe it has something to do with the turbo. It also might help to tell you that the car was lying up for a month before I purchased it which may have led to the problem. If you have any idea what this problem is it would be appreciated.
Sunday, September 3rd, 2017 AT 5:23 AM

5 Replies

Tiny
SATURNTECH9
  • MECHANIC
  • 30,869 POSTS
Have you had it scanned for codes in the computer from the auto parts store yet? Also, do you ever have to hold the gas pedal to the floor to start the car? I suspect you could have a bad coolant temperature sensor reading a lot colder then actual engine temperature. It would run too rich. That whistling noise could be a vacuum leak that would cause a lean issue. I would start by having it scanned for codes.
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Monday, September 4th, 2017 AT 3:54 PM
Tiny
JPOWER1992
  • MEMBER
  • 3 POSTS
No saturtech9 I hav not brought to car to check codes what exactly does this do and mean. What you said about to sensor makes alot of sence. But the whisling noise seems to also go away after the car heats up thanks for reply
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Monday, September 11th, 2017 AT 8:44 AM
Tiny
SATURNTECH9
  • MECHANIC
  • 30,869 POSTS
You use a code reader to check for codes the car may have set from problems the computer miggt have picked up. Thats a starting point for diagnoses like a situation your having. Also vacuum leaks can change size due to engine temperature.A common vacuum leak is pcv on those.
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Monday, September 11th, 2017 AT 9:12 PM
Tiny
JPOWER1992
  • MEMBER
  • 3 POSTS
Thank you was very helpful
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Wednesday, October 4th, 2017 AT 6:26 AM
Tiny
KEN L
  • MASTER CERTIFIED MECHANIC
  • 48,363 POSTS
SATURNTECH9 is one of our best!

Please use 2CarPros anytime, we are here to help. Please tell a friend.

Cheers, Ken
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Wednesday, October 4th, 2017 AT 3:37 PM

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