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Originally Posted by JoshBarber
Threw a Service Engine Light today while driving on the highway. Trouble Code P0300 AutoZone said "multiple cyllinder misfire"
Anyone have any info or suggestions?
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I asSume it is on your 98 right?
As said go over the basics.
Good ac delco plugs and AC delco cap and rotor and good wires.
Fuel pressure and egr valve check for sure.
If all else fails check the camshaft retard setting with a engine capable scanner.
Also a good scanner should pin point what cylinder and how many miss fires on that cylinder.