Having problems with your 2003 Chevrolet Silverado Ss ?

Reduce engine power chevy dealer not sure why

Posted / edited by AnonymousUser on : 14-01-2019

Answers :

May be weak but not faulty ignition coil/s.
\015\012dirty injectors, could need spark plugs and possibly dirty fuel filter. worse senario, blockage in exhaust
\015\012deformed catlytic converter-check exhaust output pressure. check engine compression for ring wear.
\015\012cam lobes worn but not likely if roller cam.
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