So this engine code article applies to Toyota, Chevrolet, Ford, Nissan, Honda, GMC, Dodge, etc.Basically this means that an oxygen sensor in bank 1 has detected a lean condition (too much oxygen in the exhaust). On V6/V8/V10 engines, Bank 1 is the side of the engine that has ...
P0171 - Ford Type Powertrain - Fuel and Air Metering - ISO/SAE Controlled Description Fuel System Too Lean Conditions Cause Engine running at Cruise speed for 3-4 minutes, then the PCM detected that the Adaptive Fuel Control System was at its rich correction limit (due to a lean A/F ...
the engine computer (PCM) turns the "Check Engine" light (MIL) ON and sets the trouble code P0171 - System Too Lean for Bank 1 and (or) P0174 - System Too Lean Bank 2, depending on which cylinder bank is affected. The PCM also stores the ...
I'm assuming it is a V-6. I don't know of a recall. Most likely intake gasket or PCV hose at the PCV under the intake. If someone washed the engine they got water in the sparkplug tubes and had to remove the intake to get at the back plugs (or they were doing something else...