A90 and METH

[A90dave]

I have an a90 and recently had a bad misfire. Went back to my local mechanic and was told this was due to running meth. Has anyone had these issues?

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[black_sedan]

That diagnosis sounds really vague. Did the additional meth cause a problem in one of the cylinders? Did you just need new plugs or is there an internal issue with the engine?

 

[Rocksandblues]

Any stored codes?

 

[A90dave]

I had the following codes 140510 combustion drop out; cylinder 5. Also had the rest 140009 and 14000A.
He checked the cylinder with the scope and notice that cylinder 5 was damaged.
Going forward I think I want to do away with meth and just do a turbo upgrade and bolt one.

 

[Rocksandblues]

Your just going to run with damaged cylinder?

 

[A90dave]

Your just going to run with damaged cylinder?

No I’m planning on doing away with the bad motor and getting a another one and not run meth

 

[Rocksandblues]

No I’m planning on doing away with the bad motor and getting a another one and not run meth

expensive lesson.
Meth can be run safely, but the is a method, amount and systems.

 

[Bflood]

It's dangerous to lean on meth for fueling purposes however if you're using it for cooling then you should have no issue.

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