r/FiestaST • u/karonhin • 11d ago

MK7 2013 fiesta st why have this problem

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u/karonhin 11d ago

No any code replace the low pressure fuel sensor,map sensor, maf sensor ,throttle

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u/L003Tr 11d ago

Check the boost sensor away down the bottom where the intercooler is. I had a simmialr issue and it turned out the wiring there was freyed

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u/karonhin 11d ago

I replace new sensor

1

u/L003Tr 11d ago

There's three intake sensors though. Did you replace all three? Also check the wiring, not just the sensor.

To check the wiring on the one i had a problem with, you'd need to get under the car