geomcrider Posted August 14, 2005 Report Share Posted August 14, 2005 Ok..it went on twice in a 5 week period. GM computer says its running to lean. The techy showed me that is like at 25%.He also said that a car 10 years old are around 10% Both Banks ??? I have a CAI ...Duals..& a PCM for Less tune. The last time it went on was in traffic...hot. Whats the deal ?? He said if I bring it back with the stock air box...he will dig alot deeper. Can anybody help me out..Truck runs fine. When he got on the gas when the computer was plug in...it richened right up. Whats the deal ?? g Link to comment Share on other sites More sharing options...
deezel Posted August 14, 2005 Report Share Posted August 14, 2005 Could be several things... bad O2 sensors loose MAF connection dirty MAF wires tuning does not match mods If the tech will try to fix it, go ahead and take it back with the stock airbox. Link to comment Share on other sites More sharing options...
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