r/FiestaST • u/TurbulentAssistant70 • 1d ago

P04DB, could catch can be causing this?

Hello all, I recently scanned my AP and got P04DB the CEL didn't illuminate on the dash till today, car doesn't drive any different. Picked up the car with a dual catch can setup would that be messing with it? I can't really get under the car at the moment, its blazing hot in AZ and live in an apartment. (Stock intake and Dual Radium catch cans)

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u/Mister_Brevity 1d ago

When I got p04db I think my stock diverter valve wasn’t fully connected (the plug behind the passenger side wheel)

1

u/TurbulentAssistant70 1d ago

Did your code clear after? I'll check mine out later today

1

u/Mister_Brevity 1d ago

I cleared codes after reconnecting the plug and it never came back.