my first log using EEhack...

[wknox]

Just done my first data log with EEhack… see attached photo. Seems some problem areas, just learning, so any help, advice, direction is greatly appreciated. I have two logs saved. the red line seem to normal off idle, just sitting in the drive. Did not take car out to record during a drive.

thanks

willie
95 Impala
194000

[WASyL]

you have some issuees with fueling or spark, can You attach log file with atleast 2 in of idling in CL ?

best regards

[wknox]

See attached data log via excel "WASyL"... thanks for your imput.

[WASyL]

Knock counter looks odd. ECM is pulling lots of fuel, eighter because you have bad oxygens sensors, to high fuel pressuer, leaking injectors, faulty knock sensor or ECM.
I would start with checking fuel pressure that should at around 39,5 PSI at idle with disconnected vaccum line. Then check that knock reading, that might be e reason to.

[wknox]

Thanks brother....Will advise. Also, asssume those o2 have 194000 they might be alittle tired

[kur4o]

I see the maf reads a liitle too high for hot idle. It might be fouled leading the engine to run richer than needed. That`s why the pcm is pulling fuel.