check engine

2006 BMW 525I
115,000 MILES
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ALIBARWARY
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  • 1 POST
check engine

after i changed fuel pump which was not working with new one ,check engine mark appeared,i examined it with computer the mechanics said the battery is low ,it was really low the check engine mark disappeared for 20 days then reappeared and the car showed that the battery voltage is high although the battery is the recommended one


thanks
alibarwary
Aug 17, 2012 at 9:38 PM
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KHLOW2008
  • ✓ASE Certified Mechanic
  • 41,814 POSTS
  • ASE Certified Mechanic
Check the charging system. You could have a faulty alternator that is overcharging.
Aug 18, 2012 at 8:01 AM
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