DTC U1890 Chevrolet
MAF Sensor Range Performance
MAF Sensor Range Performance
Description
DTC P0102, P0103, P0335, P1408 and P1451 not set, BARO sensor more than 75 kPa, IAT signal from 7-158ºF, engine speed less than 2000 rpm, TP angle less than 20 degrees, and the PCM detected the maximum minimum flow rate was less than 0.1 gm s.
Cause and Solution
Base engine vacuum leak, PCV valve leaking or stuck openEngine oil dipstick missing or not fully seatedMAF sensor element (wire) is contaminated or dirtyMAF sensor signal or ground circuit fault or sensor has failedPCM has failed
Video Guide
Diagnostic Info
- DTC Code: U1890
- Brand: Chevrolet