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2000 Mitsubishi Galant check engine light on

Tiny
DORINIAC
  • MEMBER
  • 2000 MITSUBISHI GALANT
  • 4 CYL
  • FWD
  • AUTOMATIC
  • 84,000 MILES
My car has the check engine light on, and it came out P1400, they say its a mdp failed sensor, poor electrical connection or open or short circuit condition.I am trying to locate this sensor or p1400 and I dont know where is located. Can you tell me what to check and where to check it?
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Wednesday, January 13th, 2010 AT 3:19 PM

2 Replies

Tiny
BLUELIGHTNIN6
  • MECHANIC
  • 16,542 POSTS
Should be near intake manifold. The code P1400 reads "DPFE Sensor Voltage Low" Often it's caused by a bad DPFE sensor or clogged EGR passages. DPFE stands for (Differential Pressure Feedback EGRI) I would clean the EGR valve which cost nothing. If that does not cure the problem, you may need to replace the DPFE sensor.
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Wednesday, January 13th, 2010 AT 4:07 PM
Tiny
DORINIAC
  • MEMBER
  • 4 POSTS
Thanks much, I had a vacum leak that caused the check engine light to go on, after I tighted it up the hose, check engine light went off.
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Monday, January 18th, 2010 AT 3:22 PM

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