PNeuMan
Tipo Manifold Pressure Sensor Fault
Summary of the thread
A 2021 Fiat Tipo diesel with 70,185 km is experiencing issues such as intermittent check engine light, reduced power, poor engine response, and high fuel consumption. The problem is suspected to be related to the manifold pressure sensor or a vacuum leak, confirmed by an OBD-II code P0238 indicating a high input signal from the MAP sensor. The solution involved replacing the faulty manifold pressure sensor and fixing the vacuum leak, which resolved the issues.
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4 comment(s)
PNeuMan (community.author)
I checked the sensor and connections, but they look okay. The OBD-II scanner says P0238, which is a high input signal from the MAP sensor. What was your issue, and what codes did you get?
selina_eagle1
Yeah, P0238 was my code too. Sounds like a faulty MAP sensor or a vacuum leak. I couldn't find the leak myself. I'd suggest a good workshop to diagnose it properly to avoid more problems.
PNeuMan (community.author)
Took it to a Fiat mechanic, and they found a faulty manifold pressure sensor due to a vacuum leak, just like you said. Replaced the sensor, fixed the leak, and it cost 235€. Runs great now. Thanks for the advice!
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FIAT
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TIPO
selina_eagle1
Sounds like what happened to my Tipo recently. Reduced power, high fuel consumption, and the check engine light are all familiar. Have you checked the sensor for damage or loose connections? What codes are you getting?