FREE REPAIR MANUALS & LABOR GUIDES 1982-2013 Vehicles
Courtesy of Operation CHARM: Car repair manuals for everyone.

Diagnostic Trouble Code (DTC) Information






Diagnostic trouble code (DTC) information

Condition




Diagnostic trouble code (DTC) ECM-170F is stored if the boost pressure sensor's registered pressure deviates from the atmospheric pressure sensor's registered pressure. This comparison is made at engine start (at approximately 500 rpm) before the turbocharger (TC) has built up a boost pressure.

Substitute value

Possible source

Faulty signal
- contact resistance in terminals
- defective boost pressure sensor
- defective atmospheric pressure sensor

Fault symptom[s]
- none