P0442 Fuel Tank Ventilation System (Micro-leak) - Below Lower Limit - Help please . . - Rennlist - Porsche Discussion Forums

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P0442 Fuel Tank Ventilation System (Micro-leak) - Below Lower Limit - Help please . .

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P0442 Fuel Tank Ventilation System (Micro-leak) - Below Lower Limit - Help please . .

Old 01-03-2019, 06:22 PM
  #1  
Desert Box
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Default P0442 Fuel Tank Ventilation System (Micro-leak) - Below Lower Limit - Help please . .

The CEL light lit up on t he dash though my Base 2004 986 was running, and continues to run fine. I went into my neighborhood Autozone shop and they came up with the P0442 and wanted to run a smoke test to find the leak. I declined so I could see if it was an easy fix.

After reading lots of threads about this code I checked the gas cap but it seems to be fine. I also changed some fuses but that didn't do anything. As I don't have a floor jack, I stopped short of taking off the wheel well cover to check the fuel tank hoses, Evap canister, etc.

Should I go back to Autozone and have them do the test and possible repair to save money or would it be better to go to a Porsche repair shop or dealer? Is it a simple repair or something that requires a specialist?

Thank you.
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Old 01-09-2019, 12:27 PM
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Macster
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Originally Posted by Desert Box View Post
The CEL light lit up on t he dash though my Base 2004 986 was running, and continues to run fine. I went into my neighborhood Autozone shop and they came up with the P0442 and wanted to run a smoke test to find the leak. I declined so I could see if it was an easy fix.

After reading lots of threads about this code I checked the gas cap but it seems to be fine. I also changed some fuses but that didn't do anything. As I don't have a floor jack, I stopped short of taking off the wheel well cover to check the fuel tank hoses, Evap canister, etc.

Should I go back to Autozone and have them do the test and possible repair to save money or would it be better to go to a Porsche repair shop or dealer? Is it a simple repair or something that requires a specialist?

Thank you.
My preference over the years I owned a Boxster was to have any servicing/repairs done at the dealer. (This was true for every car I have owned. It was a misadventure with an indy early in my car owning experience that soured me on indy shops and for several decades afterwards doing my own servicing and repairs.)

But if you know of a good Porsche indy repair shop in your area it is up to you if you want to use it.
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