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International Automotive Technicians Network
1997 Lincoln Mark VIII 4.6L Poor Idle Quality, HIGH IDLE
Posted to Ford Driveability on 1/28/2003 9 Replies

hello techs need a little help here.. this car came in missing badly cust requested wires and plugs.... found codes in computer for iac 1504 and egr.. also found seal at brake booster leaking. repaired vac leak at booster.. now unable to bring idle down below ...

9 Replies Received (View Replies)

  Related Documents & Media  1997 Lincoln Mark VIII

 
Message Closed w/FIX

car Vehicle Data

1997 Lincoln Mark VIII

VIN 1LNLM91VXT
Engine4.6 L / 8 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI
EmissionsOBD-II Compliant
SymptomsPoor Idle Quality, High Idle
OccursAlways

Trouble Codes

1506this code indicates that iac system has reached over speed malfunction
Message Closed w/FIX

car Vehicle Data

1997 Lincoln Mark VIII

VIN 1LNLM91VXT
Engine4.6 L / 8 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI
EmissionsOBD-II Compliant
SymptomsPoor Idle Quality, High Idle
OccursAlways

Trouble Codes

1506this code indicates that iac system has reached over speed malfunction