MMO really does work..

[black g50]

My 01 Rodeo sometimes makes a tapping sound at idle.Changing oil makes it go away for a while,but all ways comes back.Isuzu forums say oil passages clog with carbon,and to run different weight oil.Well while doing plug change,I saw carbon on pistons.Was going to do oil change so added MMO then drove 20m high speed.Coming back truck started sputtering,check engine light started flashing.Nursed it home pulled code for miss fire.Pulled plugs and one had the whole tip and electrode missing.Looking down tube,piston head was a lot cleaner..LoL

[Infinitiguy19]

So Marvel Mystery Oil killed a spark plug?

[OwnerCS]

BG Quick Clean for Engines restores power and performance to your engine by rapidly and effectively removing accumulated deposits that form in the piston ring belt, hydraulic lifters, rocker arms and other critical engine parts. Add BG Quick Clean to the oil, then run engine for 10-15 minutes. When the old oil is drained, contaminants are quickly flushed away.
Part No. 105 11 oz. (325 mL) can

http://www.bgprod.com/products/engineoil.html

[Lokim]

Sounds like MMO loosened the carbon deposits on the piston faces and valves, probably causing a chunk to hit the plug. I've seen it occur more than once, and the vehicle runs fine after plug replacement.

[black g50]

Yea forgot a whole sentence.But yes a chunk broke loose,taking plug with it.Soon as I pulled plugs,you could smell the carbon.Does look cleaner, gonna run some more thru it then change oil.Scared to do it with the Q

[Lokim]

Turn it over for 10-15 secs with all plugs out and injector harness unplugged. That'll blow most chunks out the plug holes rather than risking getting caught in the valve seat sticking the valve open or scratching the lapped surfaces, as well as filling the cats with chunks.

[black g50]

Good advice,thank you sir.

[Lokim]

Good advice,thank you sir.

Anything for a fellow Q owner!

[maxnix]

Much better to use Redline SL1 or BG 44K or Techron more frequently.

MMO is just light distillates.

[black g50]

Much better to use Redline SL1 or BG 44K or Techron more frequently.

MMO is just light distillates.

Maybe,but had immediate results.