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2003 Ford Taurus, service engine light came on, car stalls at idle

Tiny
OUTDOORMARC
  • MEMBER
  • 2003 FORD TAURUS
  • 140,000 MILES
2003 ford taurus, service engine light came on, car stalls at idle
Wednesday, June 20th, 2012 AT 1:14 PM

6 Replies

Tiny
RACEFAN966
  • MECHANIC
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Call around to your local parts stores and see if one does a free scan. If so then get it scanned and write down the codes and then erase the codes. Get back to me with the codes and we will go from there ok.
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Wednesday, June 20th, 2012 AT 2:37 PM
Tiny
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Codes are po172 lean on 1
po174 lean on 2

Mass airflow sensor maybe?
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Thursday, June 21st, 2012 AT 12:13 PM
Tiny
RACEFAN966
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Ok I would get some mass air flow cleaner and clean it first. You did clear the codes?
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Thursday, June 21st, 2012 AT 3:42 PM
Tiny
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Yes I cleared them. Mass air flow cleaner? What about carb cleaner, would that do?
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Thursday, June 21st, 2012 AT 3:45 PM
Tiny
WRENCHTECH
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I see these codes a lot on Fords and it's nearly always due to a severe vacuum leak. The rubber connectors tend to suck a hole right through them.
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Thursday, June 21st, 2012 AT 4:39 PM
Tiny
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Then why does it only happen at idle, not thru acceleration and cruising speed?
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Thursday, June 21st, 2012 AT 4:41 PM

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