Problem Fixed?

[MSPMCD17]

Well i just bought a 03.5 MSP protege and it was mostly stock so it didnt have a boost gauge, i went out and bought one and put it on. When i first bought the car i noticed it hestated really bad at around 3500 rpm. I figured it was a vacuum line leak so i replaced 2 or 3 lines while i was putting on the boost gauge after that it hasnt done it since...Problem fixed?

 

[MSPMCD17]

oh also cel light was on for p0171 as soon as i turned it on after replacing these lines the light turned off and hasnt been on but we will see in the coming days

 

[destineal]

thats a bank 1 lean condition which could be a vacuum leak but could be something else also and could turn off and back on again. Changing the lines could have solved your problem