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2003 Subaru Forester X 2.5L Surge
Posted to Asian Driveability on 3/10/2011 7 Replies

Car will start to surge when under a load above 3,500 rpm . Engine starts and idles normally and accelerates up to 3,500 rpm normally . Tried a new subaru front o2 sensor first - did not change . Checked fuel pressure 30 psi at idle - 41 psi with hose off regu...

7 Replies Received (View Replies)

  Related Documents & Media  2003 Subaru Forester X

 
Message Closed w/FIX

car Vehicle Data

2003 Subaru Forester X

VIN JF1SG63623
Engine2.5 L / 4 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFuel Injection / mpi
EmissionsOBD-II Compliant
SymptomsSurge
OccursHot, Under Load, on Accel
Misc.Federal Emissions

Trouble Codes

P0130Heated Oxygen Sensor (Bank 1 Sensor 1) Circuit Malfunction
P0171Fuel System Too Lean (Bank 1)
Message Closed w/FIX

car Vehicle Data

2003 Subaru Forester X

VIN JF1SG63623
Engine2.5 L / 4 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFuel Injection / mpi
EmissionsOBD-II Compliant
SymptomsSurge
OccursHot, Under Load, on Accel
Misc.Federal Emissions

Trouble Codes

P0130Heated Oxygen Sensor (Bank 1 Sensor 1) Circuit Malfunction
P0171Fuel System Too Lean (Bank 1)