DTC Troubleshooting

WARNING: This page is about a different car, the 2004 Suzuki Vitara. However, it is still accessible from the selected car via links, so may be relevant.

Fig 1: DTC P2227 / P2228 / P2229: Barometric Pressure Circuit Performance/Low/High Troubleshooting Chart

Courtesy of SUZUKI OF AMERICA CORP.