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Old 07-15-2017, 02:29 AM   #1
cadillacdude1975
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Default VG30i gurgling noise around evap canister

i noticed an odd noise the other day when i was checking my AC system. im pretty sure its coming from the pollution control crap under the hood. im hearing a gurgling sound when the engine is running.

before i start guessing.......anyone have an idea if that reed valve thing in there is responsible for this noise? its not running any different than normal. and the noise is only audible with the engine running while the hood is open.
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Old 07-15-2017, 02:57 AM   #2
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Can you hear it gurgling for a second or two after the engine has been turned off? It could be a leak at one of those vacuum solenoids for the EGR system. It's a common problem on 80s fords FWIW...it usually won't make the CEL come on or cause it to run differently, just annoying. It could also be a from a hole in the diaphragm of either the EGR or BPT valves. Some carb cleaner sprayed around the intake might point you in the right direction
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Old 07-16-2017, 09:31 AM   #3
cadillacdude1975
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i will have to see what it does when he engine is killed. i will check later today.
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