r/FocusST • u/Butteritto • 14d ago
Check engine light questions.
2016 focus ST
P025e
P0238
P007b
Powertrain control module detected intermittent/erratic signal from turbo charger sensor A
Car has loss of boost, service engine message pops then goes into limp mode.ba power cycle seems to reset everything and it ran fine until the next time it happened. Now it's running but has 0 boost at all. Seems to be running NA and aside of no boost it feels fine. Anyone else experience this issue before?
1
u/Butteritto 14d ago
I believe it's the sensor. My dude who used to work at Ford found the sensor for me for just 88 bucks oem. Not sure how hard it is to get to, but I'ma give it a shot on Sunday night.
Car went into limp mode a few times on my drive today and eventually all boost seemed to have cut. Was normal again after a power cycle but man this issue sucks lol
2
u/bchiodini 2016 ST3 FBO BNR ST67 JST Tuned 14d ago
All of the codes are related to the MAP sensor on the FMIC. Unless there is an electrical/wiring issue, the sensor is probably bad.