Signal too high. Intermittent fault: Check
WARNING: This page is about a different car, the 2004 Volvo S40, 2003 Volvo S40, 2002 Volvo S40, 2001 Volvo S40, and 2000 Volvo S40. However, it is still accessible from the selected car via links, so may be relevant.
- Ignition off
Release the wastegate as described in Checking and adjusting the boost pressure control (BPC) valve on the turbocharger (TC) . Check that the wastegate does not seize or get stuck in the closed position.
Check the turbocharger as described in Checking boost pressure with manometer while test driving the car . Especially check the function and hoses of the pressure regulator.
Remedy as necessary.
Other information:
- To connect the breakout box, see Connecting the breakout box. EMS 2000 .
- For information on signals, see Signal specification .
- For boost pressure sensor 2 (MAP) replacement, see Boost pressure sensor 2, replacing .
Courtesy of VOLVO CARS OF NORTH AMERICA.
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