Previous P0442 code, gas cap hx, rain (leak=water inside frame), am=rough idle. Driven.
Oct 15, 2021 at 8:03 AM
Intermittent Check Engine Light
1998 LINCOLN NAVIGATOR
ALTHEACONKLIN
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Hello,
The code P0442 can get triggered for any type of small leak in the EVAP system. From a leaky gas cap to a cracked hose to a bad purge valve.
Here is a helpful guide:
https://www.2carpros.com/articles/evap-system-code-repair
I have attached the trouble shooting steps for that code below. This can help you with the diagnostics.
Please let me know of any questions.
Thank you.
The code P0442 can get triggered for any type of small leak in the EVAP system. From a leaky gas cap to a cracked hose to a bad purge valve.
Here is a helpful guide:
https://www.2carpros.com/articles/evap-system-code-repair
I have attached the trouble shooting steps for that code below. This can help you with the diagnostics.
Please let me know of any questions.
Thank you.
Images (Click to enlarge)
Oct 15, 2021 at 8:35 AM
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Repair Safety Notice: This information is for general instructional purposes only. Vehicle repair can be dangerous. Verify all information, follow manufacturer service procedures, use proper tools and safety equipment, and consult a qualified repair shop when needed.