Check Engine Light Due to Pinched Leak Detection Pump Vacuum Lines on Chrysler Cirrus

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.

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Average mileage: 160,000 (160,000–160,000)
2 model years affected: 1998, 2000
2 people reported this problem
1 person shared problem details
2000 Chrysler Cirrus160,000
wont pass smog check due to Leak Detection Pump
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