Some 2023 Equinox and Terrain models equipped with the 1.5L 4-cylinder engine (RPO LSD) may have a reduced power condition along with DTCs P0237 (Turbocharger Boost Sensor Circuit Low Voltage), P0101 (MAF Sensor Performance), P1101 (Intake Air Flow System Performance) or P0299 (Engine Underboost) set.
If these conditions are found, inspect the anti-abrasion sleeve on the charge air inlet pipe at the turbocharger for any splitting or other damage. (Fig. 5)
Fig. 5
If the sleeve is damaged (Fig. 6), remove the charge air inlet hose assembly and check the charge air inlet hose beneath the anti-abrasion sleeve for signs of splitting or damage that would allow the hose to swell under pressure. Damage to the hose may cause the anti-abrasion sleeve to split and alter the readings within the boost control system or create a potential air leak.
Fig. 6
Damage to the hose beneath the anti-abrasion sleeve (Fig. 7) will require the charge air inlet pipe assembly to the replaced.
Fig. 7
For more information, refer to #PIP5927.
– Thanks to Robert Halas
