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1987 Lincoln mark vii 5.0L Poor Idle Quality, Surge
Posted to Ford Driveability on 5/19/2000

how are you doing guys, this car came in with a high idle surge after replacing cts ,cxomputer and egr valve and position sensor,car iac is showing 6.7 v. on signal side very low rpm remove iac housing and found no restriccions for this problem scanner is tell...

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car Vehicle Data

1987 Lincoln mark vii

VIN 1LNBM93M3H
Engine5.0 L / 8 cyl
SymptomsPoor Idle Quality, Surge
OccursAlways

Trouble Codes

13rpm to low
21cannot keep idle
34improper egr valve position slow code
Message Closed

car Vehicle Data

1987 Lincoln mark vii

VIN 1LNBM93M3H
Engine5.0 L / 8 cyl
SymptomsPoor Idle Quality, Surge
OccursAlways

Trouble Codes

13rpm to low
21cannot keep idle
34improper egr valve position slow code