Question about sources of an exhaust leak.
My son's '85 El Camino (305 V8, 4 bbl) appears to have an exhaust
leak, but it's not coming from the exhaust pipes. It has a new exhaust,
from the manifolds back (including the cat), but there appears to be
a small leak. There is not noise, no air (exhaust) "puffing" out of
manifold joints, etc. but there seems to be the smell of CO around
the vicinity of the engine (and unfortunately into the cowl vents to
the interior.
Any suggestions as to what could be the cause? I'm thinking that
it might be the EGR valve, but I've never heard of one leaking, just
not working... Any body??
Tim Mullen
Chantilly, VA
96 Ford Ranger 4x4
94 Mazda Miata R Package
93 Honda Accord
85 Chevy El Camino
72 Lotus Elan Sprint
and a couple of old Yamaha dirt bikes...
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