having problem with service engine soon light , the codes say lean on bank one and bank 2 , pluged injuctors or cat????? or fuel pump???
Country: United StatesMake: ChevroletModel: Tahoe 4x4Year: 1999Engine: 350 vortx
injector cleaner from GM AND SEA FOAM
Hello I'm Neal and I am here to help resolve your issue. If I cannot help I will opt out and refer your question to another expert.
The #1 cause is going to be a bad or dirty maf sensor. I would start by cleaning the maf and see if that helps, if it has a lot of miles on it you might want to replace it anyway. If you are running a oiled filter it will often contaminate the maf.
what is a MAF sensor????
The mass air flow sensor, it is between the air filter and the throttle body in the induction hose.
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turned out to be a fuel pump