|
That is typically caused by misfires that would hurt the emissions system, mostly the cats. When was the last time you changed plugs and coils? If it has been a long time maybe you have some cracked coils or rodent damage.
__________________
2013 991.1 Carrera S Cab
2004 996 Turbo CAB X50 sold
2003 996 cab 6 speed Sold
1972 RS 3.2 twin plug short stroke crank fire, roll bar, sold
DE instructor since 1985
|