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Old 02-04-2013, 02:52 PM   #1
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Default gassy smell at idle

I have noticed i smell like gassy fumes in cabin at idle..its a 05 5.4 has 70 k on it any ideas?
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Old 02-04-2013, 03:05 PM   #2
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I have also had a gassy smell in my 89 4.9L too. I checked the fuel lines and they look good. Any suggestions?
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Old 02-04-2013, 03:09 PM   #3
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Im not sure..as soon as i go the smell goes away..maybe its just something stupid hopefully.
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Old 02-04-2013, 03:25 PM   #4
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Have the plugs been changed recently? I know you just got the truck, did the dealer mention anything about the plugs??
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Old 02-04-2013, 05:30 PM   #5
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No im assuming plugs are factory still.
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Old 02-04-2013, 05:36 PM   #6
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Check your exhaust system for leaks, you can cover the tail pipe with a rag while it's running or pour some tranny fluid down the carb and look for smoke. There is a good possibilty your fuel isn't burning cleanly (spark plugs) and the smell is coming from an exhaust leak.
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Old 02-04-2013, 05:41 PM   #7
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Ill change plugs this weekend see if it helps.
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Old 02-04-2013, 05:46 PM   #8
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Check the forum for spark plug removal, I have seen a couple of years with the 5.4 that are a bear to change.
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Old 02-04-2013, 07:28 PM   #9
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Okay thanks
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Old 02-07-2013, 02:10 AM   #10
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Bump smell is coming from vents when air is on
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