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1992 Mercury Grand Marquis LS 4.6L Spark Knock
Posted to Ford Driveability on 11/30/2004 15 Replies

car has bad spark knock(ping)under light to mid [...] 3&4 [...] a code for low egr flow,all passages were cleaned,engine was [...],solenoid and dpfe all are functioning properly now.i cleared code and road tested [...] did not reoccur but still had [...] remov...

15 Replies Received (View Replies)

  Related Documents & Media  1992 Mercury Grand Marquis LS

 
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car Vehicle Data

1992 Mercury Grand Marquis LS

VIN 2MECM75W8N
Engine4.6 L / 8 cyl / GAS
Trans4-speed Automatic
DeliveryFI
EmissionsUS FED
SymptomsSpark Knock
OccursHot, Under Load, on Accel
Message Closed

car Vehicle Data

1992 Mercury Grand Marquis LS

VIN 2MECM75W8N
Engine4.6 L / 8 cyl / GAS
Trans4-speed Automatic
DeliveryFI
EmissionsUS FED
SymptomsSpark Knock
OccursHot, Under Load, on Accel