1998 Mercury Tracer P1451 and P1401 codes

Tiny
JRO175
  • MEMBER
  • 1998 MERCURY TRACER
  • 4 CYL
  • FWD
  • AUTOMATIC
  • 184,900 MILES
How do I fix these two codes, stopped the sale of my car, she runs great but check engine light keeps coming on.
Monday, March 29th, 2010 AT 5:22 PM

1 Reply

Tiny
BLUELIGHTNIN6
  • MECHANIC
  • 16,542 POSTS
DTC P1451 Evaporative Emission (EVAP) Monitor & System

This DTC indicates a CV solenoid circuit fault. Possible causes are :

Open VPWR circuit
Open or shorted CV circuit
Faulty CV solenoid
Faulty PCM

DTC P1401 EGR System

This DTC indicates PCM has detected DPFEGR circuit input is above maximum. Possible causes for this fault are:

Open in DPFEGR circuit or SIG RTN circuit
DPFEGR circuit shorted to VREF or PWR circuit
VREF circuit shorted to PWR circuit
Faulty DPFEGR sensor
Faulty PCM
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Monday, March 29th, 2010 AT 5:27 PM

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