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Re: How smart are modern engines ?


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Posted by Hobo,NC on December 29, 2010 at 18:59:06 from (75.89.253.51):

In Reply to: How smart are modern engines ? posted by State of Jefferson on December 29, 2010 at 11:34:07:

Depends on how massive the air leak is... depends on were the leak is,,, depends on the engine temp,,, depends on whether its affecting one cylinder are all of'em,,, depends on were the leak is in the airflow stream...

Yes its difficult to find a air leak,,, a smoke machine is a must have tool to find them most of the time... After I brought one I could not live with out one...

If the leak is with in the parameter of the PCM to adjust for it you are not gonna find it with old shad tree ways unless you got a real sharp eye...

Its called fuel trim Google it,,,, Long term (LTFT) and sort term (STFT)...


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