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surge s14
05-25-2009, 04:16 PM
Friends car

ok the car is bonging hard @ boost

ecu is mapped W/AEM

i checked
sparkplugs fine
coilplugs fine
looked for air leaks sounds fine

fuel press reads 32psi

i just sent the guy to install wideban to see where he's at.

i was told that was some black smoke (most likely a air problem)

would there be any sensor in particular i should look at?:bash:

singlecamslam
05-25-2009, 04:18 PM
Shouldnt the fuel pressure be higher than that?

surge s14
05-25-2009, 04:31 PM
yeah about 42 psi

but when we bump it up it idles then dies

aNskY
05-25-2009, 04:36 PM
look harder for leaks.

surge s14
05-25-2009, 06:05 PM
will do sir

also @ idle A/F reading form 16-17

FPR seem to be reading wrong gets stuck at 20psi tight all the way ~

aNskY
05-25-2009, 06:28 PM
will do sir

also @ idle A/F reading form 16-17

FPR seem to be reading wrong gets stuck at 20psi tight all the way ~


well you are aem... was your idle afr ever lower?

i had the same problem (MAP pfc) and kept adding fuel in vac, then found the leak and literally flooded the motor.

block off your intake and pressurize the system through a vac line, listen for leaks... or better yet find a shop with a smoke machine