Reduced Power and Check Engine Light: Saab 9-7x Engine & Powertrain

Problem overview

The 2008-2009 SAAB 9-7x and 9-7x Aero use a throttle position sensor (TPS) which commonly fails and causes:

Check engine light illumination
Reduced Power message
OBD trouble code P2135

This issue is related to the throttle position sensor, and can be caused by faulty wiring to the TPS, bad connection at the TPS, or a failed TPS.

To correct this issue, the wiring harness, connector, and throttle position sensor must be inspected, tested, and/or replaced. The most common cause is a faulty TPS.

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Saab 9-7x vehicles with this problem

2 model years affected

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Reduced Power and Check Engine Light on Saab 9-7x

Problem overview

Saab 9-7x vehicles with this problem

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