t100 3.4 exhuast popping/gurgle
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t100 3.4 exhuast popping/gurgle
i cant seem to figure out why my 1995 t100 is making this noise through the exhaust its only at idle when warmed up. the idle was low at 550 rpm when warm but i bumped it up to 750. It has newer plugs and wires a new fuel filter and i just flushed the coolant, I also ran seafoam through it. has 185k well maintained. I just recently had a magnaflow muffler installed and I don't think it made the noise before I just noticed it one day when I was letting it warmup. I don't know if those mufflers "break in" at all but it's gotten louder since it was installed could it be because less back pressure? has no codes stored. any ideas guys?
Last edited by evan711; 09-23-2016 at 10:18 PM.
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nuknuk
86-95 Trucks & 4Runners
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12-11-2016 08:13 AM