Question about 2004 Jaguar X-Type
Went to Auto zone and got the codes P0171 and P0174. Lean Air/Fuel banks 1 and 2. Any idea?
Good old case of leaky air intake tube.
The air flow meter read the temp and air density to the computer ECU but the leaky air tube (between air flow meter to intake spot on the engine ADD A LOT MOVE air and offset the temp.
So you engine ECU see on set of info and the ACTUAL air density and air temp. are different.
SEAL the tube the best you can.
Vacuum leak can also show the same symptom.
Posted on Jul 16, 2009
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Posted on Jan 02, 2017
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