Vacuum Pressure [Archive] - SR20 Forum

: Vacuum Pressure


Silversentra92
10-04-2002, 12:34 AM
Can Anyone tell me What The Normal reading Of Vacuum Should Be Between Shifts On A BB B13? Mine Reads 20, Not Sure If thats Normal Im experiencing Bogging And Hesitation When Im Cruising On the Freeway At Around 2800 Rpm.

redman007
10-04-2002, 11:31 AM
17-22 is good mine is at twenty also.

djisnx2000
10-04-2002, 01:26 PM
Do a search first, this has been discussed hundred of times!

Rockwood
10-04-2002, 01:29 PM
If you are getting bogging/hesitation, check your O2 sensor, MAF ground, and for any leaks between the MAF and the throttle body. I had a huge leak in my I/C piping, but my vacuum still read out as 20, and 25 when coasting.