No convertor lock-up or cruise control


Old 10-30-06, 09:36 AM
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No convertor lock-up or cruise control

On my 89 Culass Supreme, 2.8 V6, the torque convertor lock-up feature and the cruise control stopped working simultaneously. The first thing I suspected was a failing VSS but the speedometer still works. What else could cause this problem?
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Old 10-30-06, 03:54 PM
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I believe both these features are vacuum controlled. Check your vacuum hoses for cracks, bulges, missing, etc.

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