Engine - Lean Fuel Mixture and MAF DTC's Stored
01 MIL on (P0101, P2177, P2179, P2191, P2193)24 11 70
2026375/1
May 13, 2011.
AFFECTED VEHICLES
CONDITION
^ MIL/EPC warning lights on.
^ The fault entries P0101, P2177, P2179, P2191, and P2193 are logged in various combinations. The entries refer to Mass Air Flow (MAF) Sensor G70 and lean fuel mixture condition.
^ Engine may have reduced performance without significant loss of power or stalling.
TECHNICAL BACKGROUND
Slanted ribs of air filter element may affect the air flow to the Mass Air Flow (MAF) Sensor G70.
PRODUCTION SOLUTION
Improved air filter element alignment from VIN FR_BA066703.
SERVICE
1. Check the ribs of the air filter element for slanting (Figure 1).
2. Replace air filter, if necessary. Only use new air filters produced before CW21/10 or produced after CW28/10.
WARRANTY INFORMATION
REQUIRED PARTS AND TOOLS
ADDITIONAL INFORMATION
All parts and service references provided in this TSB are subject to change and/or removal. Always check with your Parts Department and service manuals for the latest information.