× Auto Repair Pros Member Benefits TechHelp Knowledge Base Forums Resources My iATN Marketplace Chat Pricing About Us Join Industry Sponsors Video Members Only Repair Shops Auto Pro Careers Auto Pro Reviews
Join Now
International Automotive Technicians Network
2002 Ford Focus ZX3 2.0L MIL Lamp on
Posted to Ford Driveability on 10/16/2008 16 Replies

i am lost as to why this code is reaccuring when the fuel trims are good. also noticed will not go into closed loop.

16 Replies Received (View Replies)

  Related Documents & Media  2002 Ford Focus ZX3

 
Message Closed w/FIX

car Vehicle Data

2002 Ford Focus ZX3

VIN 3FAFP31332
Engine2.0 L / 4 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI / SEFI
EmissionsOBD-II Compliant
SymptomsMIL Lamp On
OccursIntermittently

Trouble Codes

P1131Electric Vacuum Pump System Related PGM-FI Sensor Signal Malfunction
Message Closed w/FIX

car Vehicle Data

2002 Ford Focus ZX3

VIN 3FAFP31332
Engine2.0 L / 4 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI / SEFI
EmissionsOBD-II Compliant
SymptomsMIL Lamp On
OccursIntermittently

Trouble Codes

P1131Electric Vacuum Pump System Related PGM-FI Sensor Signal Malfunction