ETC and SWS error indicator lights, power loss, code p2173code

Tiny
RIDESAK
  • MEMBER
  • 2014 JEEP COMPASS
  • 2.4L
  • 4 CYL
  • 4WD
  • AUTOMATIC
  • 57,000 MILES
ETC and SWS error indicator lights, too much accelerator makes ETC light flash and power loss. Four wheel error light, (it goes haywire) starts idling real hard nearly stalls out putting in park. I hooked it up to a few diagnostic tools code p2173. I will attach the pictures.
Monday, April 9th, 2018 AT 7:31 PM

1 Reply

Tiny
STEVE W.
  • MECHANIC
  • 15,233 POSTS
P2173-High airflow/vacuum leak detected.

The common cause for that code and poor idle is a big vacuum leak, most of the time from a broken fitting or line. I would start by checking every vacuum line and fitting, including the under vehicle EVAP lines. Check the MAP sensor, PCV system and the plastic intake manifold for cracks/holes. Also the brake booster as well.
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Wednesday, April 11th, 2018 AT 12:35 AM

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