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Old 12-22-2020, 01:14 PM   #27
spoolinsti05
Scooby Guru
 
Member#: 108051
Join Date: Feb 2006
Chapter/Region: Tri-State
Location: NY
Vehicle:
2005 TickingTimeBomb
Jr tuned TT Sleeved

Default

You absolutely need to filter the line pre sensor. My buddy had same issue. Added a filter and signal smoothed out. The lgt has a filter from factory as it's sensor is external. The sti has a jammed airway to sensor so it's filtered inside the throttle body channel itself. So grab a lgt map sensor filter from dealership or someplace.

Rocket science simplified! Your welcome!

Also wanted to add a hard line would be a good idea along with filter as the sensor is a dead end. And it can swell a silicone hose that's really only meant for vacuum under boost. The map sensor has no bleed off hole. Suppose one would help. Can run it in loop so it's not a vacuum leak also.. like tial should do with there bov and waste gate cough cough. The only boost leak I haven't been able to fix just yet! Lol.
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Last edited by spoolinsti05; 12-22-2020 at 05:03 PM.
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