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1998 Mercury Mystique GS 2.0L Hesitation, Surge, MIL Lamp on
Posted to Ford Driveability on 9/5/2007 12 Replies

Once again, the blue oval has kicked me in the teeth. This car has a seriously lean condition, verifyed by 3 codes (listed) and also confirmed by the performance and low 02 volts. Road tested with fuel pressure guage visible on windsheild and found pressure we...

12 Replies Received (View Replies)

  Related Documents & Media  1998 Mercury Mystique GS

 
Message Closed w/FIX

car Vehicle Data

1998 Mercury Mystique GS

VIN 1MEFM6530W
Engine2.0 L / 4 cyl / GAS
Trans5-speed Standard
DeliveryFI
EmissionsOBD-II Compliant
SymptomsHesitation, Surge, MIL Lamp On
OccursAlways, on Accel

Trouble Codes

P0171Fuel System Too Lean (Bank 1)
P0704Crankshaft Position Sensor Circuit / Open
P1130Oxygen Sensor (Bank 1 Sensor 1) Low Signal Variance
P1131Electric Vacuum Pump System Related PGM-FI Sensor Signal Malfunction
Message Closed w/FIX

car Vehicle Data

1998 Mercury Mystique GS

VIN 1MEFM6530W
Engine2.0 L / 4 cyl / GAS
Trans5-speed Standard
DeliveryFI
EmissionsOBD-II Compliant
SymptomsHesitation, Surge, MIL Lamp On
OccursAlways, on Accel

Trouble Codes

P0171Fuel System Too Lean (Bank 1)
P0704Crankshaft Position Sensor Circuit / Open
P1130Oxygen Sensor (Bank 1 Sensor 1) Low Signal Variance
P1131Electric Vacuum Pump System Related PGM-FI Sensor Signal Malfunction