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How do you know if its running lean?

It will ultimately lead to detonation and cause damage I.E melt a piston for instance.

If its running lean I would be tip-toeing it to my tuner/mechanic. There will be a reason its running lean (faulty fuel system diagnosis, poor tune, etc)

Unfortunately cant post it up as i dont have a scanner currently, so if it helps i will just write down the details below the graph, dont know if its correct, if not, just let me know what to look for, thankx.

BP:100.0 RH:48 AT:26 IT:48 RR:013 TN:3.768 CK:633

hi guys, im just organising the graph, and im in the process of having to change my airflow meters, cause i dont know if any1 else has the problem of the car cutiing out (not turning off) just a jolt etc. It only happens 0-2400rpm, whenever boost kicks in its ok, never have a problem.

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