After filling up my 99 Suburban, 5.7L, I noticed a smell of raw gas near the rear of the vehicle and inside while driving. Drove it today and the smell has gone. I did get a P0442 code today, Evaporative Emission Control System Leak Detected (small leak). I purchased a new gas cap so we'll see if this will keep the code from coming back (I had the CEL turned off when I read the code). Not sure what is causing the smell but I did buy a new gas cap after reading and turning off the CEL.
If the gas cap does not fix the P0442 code from coming back, I will replace the rubber hose on the evap canister in the engine bay.
The only hose that is rubber on the Evap canister can be seen in the above picture. All of the other lines coming off the canister appear to be metal. So, if the gas cap doesn't fix the leak, I will replace this hose. BUT, are there other rubber hoses that need to be checked and where are they located?
Also, I noticed on the Evap Vent Valve, something appears to be missing. See pic below.
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Domano 68
After filling up my 99 Suburban, 5.7L, I noticed a smell of raw gas near the rear of the vehicle and inside while driving. Drove it today and the smell has gone. I did get a P0442 code today, Evaporative Emission Control System Leak Detected (small leak). I purchased a new gas cap so we'll see if this will keep the code from coming back (I had the CEL turned off when I read the code). Not sure what is causing the smell but I did buy a new gas cap after reading and turning off the CEL.
If the gas cap does not fix the P0442 code from coming back, I will replace the rubber hose on the evap canister in the engine bay.
http://i148.photobucket.com/albums/s...ps03e5f504.jpg
The only hose that is rubber on the Evap canister can be seen in the above picture. All of the other lines coming off the canister appear to be metal. So, if the gas cap doesn't fix the leak, I will replace this hose. BUT, are there other rubber hoses that need to be checked and where are they located?
Also, I noticed on the Evap Vent Valve, something appears to be missing. See pic below.
http://i148.photobucket.com/albums/s...ps4e590923.jpg
Anyone know what is missing here?
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