Reno L4-2.0L (2006)
Absolute Pressure Sensor: All Technical Service Bulletins
Engine Controls - Low Power/MIL ON/Multiple DTC's Set
FORENZA
Section Title: Engine
TSB No. TS 18 02228
Division: Automotive
Category: Technical
SUBJECT:
ENGINE HAS NO POWER, HESITATES, STUMBLES ON ACCELERATION, CHECK ENGINE LIGHT IS ON WITH MULTIPLE DTCS WITH
P161B (CONTROL MODULE TORQUE PERFORMANCE) AS THE PRIMARY DTC
MODEL(S):
FORENZA, FORENZA WAGON, RENO (RQ420)
YEAR:
2004~2008
CONDITION:
At temperatures of 0°C (32°F) or below, the engine may have limited power, hesitate, or stumble with the check engine light ON, and multiple DTCs
stored, see chart above.
CAUSE:
Ice build up on the manifold absolute pressure (MAP) sensor port.
CORRECTION:
The new MAP sensor port has been enlarged to prevent condensation from covering the port and freezing. Replace the MAP sensor with the updated
part shown. Use scan tool to clear all DTCs from the ECM memory.
PARTS INFORMATION:
WARRANTY INFORMATION:
