Quote:
Originally Posted by WeBeSmokin420
I know exactly what this is, put 93 octane in it, GONE. PROMISE, it's pre-ignition btw.
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These engines are designed to run on 87...putting 93 in it will not solve the problem..it only masks it temporarily....and it will get worse and then 93 wont help.
Replace the obvious fuel and spark components: spark plugs, spark plug wires, coil pack, fuel filter, etc...and check the fuel injectors...clean them or replace them.
If its a flex fuel FFV, it will run and adapt to different fuel types....from e85 to 93...but do it a favor and never burn the e85...its crap..
Dump some seafoam in a full tank of gas and let it work its magic.