> It isn't as loud as a gunshot, but it is pretty embarrassing when
> it does it. The rumbling and popping is more of a nuisance. I have
> been told it is unburned fuel igniting in the exhaust, usually
> caused by a small leak allowing oxygen in to the pipes. I have
> checked the system for leaks and had the muffler shops check it.
> None found. So that leaves me to ask the next question, why am I
> getting this unburned fuel into my exhaust?
Ignition problems? That would let fuel and oxygen get to the
exhaust.
Here's what it did on my valiant:
http://www.ehuffy.com/Mopar/exhaust/
I know it doesn't sound right, but for awhile the ignition probs
only showed up when slowing down. It must have been a loose
connection in the bulkhead that was flexed when i hit the breaks or
something lie that.
eric
-- 1974 Valiant 4-door, 318 1999 Dakota Ext Cab, 2WD
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