Diagnostic Aids

WARNING: This page is about a different car, the 2007 GMC Sierra, 2007 GMC Cab & Chassis Sierra, 2007 Chevrolet Silverado, and 2007 Chevrolet Cab & Chassis Silverado. However, it is still accessible from the selected car via links, so may be relevant.

If DTC P2269 sets intermittently, fuel contamination may be the cause. Refer to Contaminants-in-Fuel Diagnosis .
On vehicle with a WIF float switch, a sticking float may illuminate the WIF lamp and set this DTC.