My car runs good but when in parking it idles

Tiny
ASH77777
  • MEMBER
  • 2003 FORD FOCUS
  • 128,100 MILES
My car runs good but when in parking it idles. Then it just turns off. The o2 sensors are bad and this car I have been working on for a while, it has original fuel pump and fuel regulator.
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Monday, April 1st, 2013 AT 6:20 AM

3 Replies

Tiny
RANDICO
  • MEMBER
The 02 sensor just monitor the engine condition, The ECM uses the 02 sensor for fuel control, When the vehicle stall in park you have a IAC (idle air control) problem
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Monday, April 1st, 2013 AT 7:31 AM
Tiny
ASEMASTER6371
  • EXPERT
Also check the pcv hose as it is common for failing back at the throttle body

Roy
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Monday, April 1st, 2013 AT 10:47 AM
Tiny
ASH77777
  • MEMBER
Could u tell me the part number for the pcv in my car, auto part gave the wrong one. Should I put a clip on the hose at the throttle body to keep it steady? Thank you.
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Friday, April 5th, 2013 AT 2:18 AM

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