If a Check Engine Light illuminates indicating leak detection pump (LDP) failure, the cause is often pinched or disconnected vacuum lines to the pump. Vacuum lines should be inspected before replacing the leak detection pump. Contamination (carbon or debris) in the pump can cause failure and any hoses should be cleared before a new pump is installed.
Check Engine Light Due to Pinched Leak Detection Pump Vacuum Lines on Chrysler Cirrus
Average mileage: 160,000 (160,000–160,000)
8 people reported this problem
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2000 Chrysler Cirrus 160,000 mi, Visitor
wont pass smog check due to Leak Detection Pump