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2003 BMW 525i idle and runs rough

Tiny
CRYPTICPB
  • MEMBER
  • 2003 BMW 525I
  • 3.0L
  • 6 CYL
  • 2WD
  • AUTOMATIC
  • 165,000 MILES
When the car reaches normal operating temperature it isles and runs rough. It does not do this until the normal operating temperature is reached. What would cause this?
Thursday, May 14th, 2015 AT 4:28 AM

3 Replies

Tiny
JACOBANDNICKOLAS
  • MECHANIC
  • 109,772 POSTS
Has the check engine light come on? Also, have you checked for vacuum leaks?
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Thursday, May 14th, 2015 AT 6:12 AM
Tiny
CRYPTICPB
  • MEMBER
  • 2 POSTS
The check engine light is on but I cannot detect any vacuum leaks. I did recently change the oil fill cap.
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Thursday, May 14th, 2015 AT 6:29 AM
Tiny
JACOBANDNICKOLAS
  • MECHANIC
  • 109,772 POSTS
Have the computer scanned to determine trouble codes. Since the check engine light is on, there will be codes present.
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Thursday, May 14th, 2015 AT 6:31 AM

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