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1997 Mercury Grand Marquis LS 4.6L MIL Lamp on, Pinging
Posted to Ford Driveability on 6/12/2002 27 Replies

I need some help with this car. It has had an ongoing problem of pinging since the customer got the car. We have installed new wires, plugs and conducted a injector cleaning with no great change in the pinging condition.

The customer has been using high grad...

27 Replies Received (View Replies)

  Related Documents & Media  1997 Mercury Grand Marquis LS

 
Message Closed w/FIX

car Vehicle Data

1997 Mercury Grand Marquis LS

VIN 2MELM75W8V
Engine4.6 L / 8 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI
EmissionsOBD-II Compliant
SymptomsMIL Lamp on, Pinging
OccursIntermittently

Trouble Codes

P0171Fuel System Too Lean (Bank 1)
P0174Fuel System Too Lean (Bank 2)
Message Closed w/FIX

car Vehicle Data

1997 Mercury Grand Marquis LS

VIN 2MELM75W8V
Engine4.6 L / 8 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI
EmissionsOBD-II Compliant
SymptomsMIL Lamp on, Pinging
OccursIntermittently

Trouble Codes

P0171Fuel System Too Lean (Bank 1)
P0174Fuel System Too Lean (Bank 2)