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Home >> Volvo >> 2003 >> C70 2.3 53, Automatic >> Repair and Diagnosis >> External Pages >> Different car >> Section 77 (Electronic Fuel Injection (EFI) DTCS, Ignition And Control Systems - Diagnostic Procedures (Coupe)) >> EFI-621 Fuel Tank Pressure Sensor, Signal. Signal Too High. Permanent Fault (B5234T3; B5254T; 1998) >> Signal too high. Permanent fault >> Checking fuel tank pressure sensor >> Remedy connector

Remedy connector

WARNING: This page is about a different car, the 2002 Volvo C70, 2001 Volvo C70, 2000 Volvo C70, 1999 Volvo C70, and 1998 Volvo C70. However, it is still accessible from the selected car via links, so may be relevant.

The diagnostic trouble code (DTC) has been caused by loose connections in the fuel tank pressure sensor connector. Check the connector for contact resistance and oxidation and remedy. Contact resistance and oxidation .

Continue when the fault has been remedied. 

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