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Home >> Suzuki >> 2007 >> Reno Standard >> Repair and Diagnosis >> External Pages >> Different car >> Section 259 (Engine Performance - DTC P1391 - P2610, DTC U0073) >> DTC P2188: Fuel Trim System Rich at Idle >> Test Description

Test Description

WARNING: This page is about a different car, the 2006 Suzuki Reno and 2006 Suzuki Forenza. However, it is still accessible from the selected car via links, so may be relevant.

Number(s) below refer to the step number(s) on the Diagnostic Table.

  1. This step determines if there is a current condition.
  2. A vacuum leak causes DTC P2187 to set. Inspect all areas of the engine for a vacuum leak. Also inspect the Positive Crankcase Ventilation (PCV) valve for being the correct one for this application. Make sure that the engine oil fill cap is in place and that it is tight. Verify that the engine oil dip stick is fully seated.
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