Having problems with your Dodge Ram 1500 ?
TROULBE CODE PO442 SMALL LEAK DETECTED HOW DO FIX OR REPLACE CANISTER
Means there somthing is leaking pressure between the leak detection pump and the purge valve. first i would check all vacuum and purge lines between fuel tank vent line and purge valve on engine. this means all lines in the evap system. just to rule it out, make sure gas cap is good and tight,clear codes and drive vehicle.a bad or loose gas cap can cause that fault to occur.
Repair Help & Product Troubleshooting for Dodge Ram 1500
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