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jcb47769's avatar
jcb47769
Explorer
Sep 10, 2017

Class C 1994 with e350 chassis exhaust manifold glowing red

Has anyone seen anything like this? It's not a clogged catalytic converter, and I've replaced the PCV valve recently. Exhaust manifold glows under heavy load (hills and over 55) I found a...
Class C
DiskDoctr's avatar
DiskDoctr
Explorer
Sep 11, 2017
FIL has a 1991. Check your plugs for weak spark, allowing unburnt fuel.

Replacing your rotor, cap, plugs and wires and ignition coil can breath quite a bit of power and life back into these 460 gassers.

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