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Ron, ASE Certified Technician
Category: Ford
Satisfied Customers: 23821
Experience:  23 years with Ford specializing in drivability and electrical and AC. Ford certs and ASE Certs
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Flex: Flex is showing code p0150 intermittently on while

Customer Question

Flex is showing code p0150 intermittently on for a while then off for weeks.
Submitted: 2 years ago.
Category: Ford
Expert:  Ricardo Hohl replied 2 years ago.
Hi welcome to just answers. seems like you have a problem with (bank 2 sensor 1) this is a circuit malfunction on the sensor wiring or computer wiring the reason why is on and of is because it takes 3 global trips to set this code and that can take time, must likely problem is the sensor shorting out internally, I would check the connectors to make sure there is a good connection and if good then replace the 02 sensor sensor.
Customer: replied 2 years ago.
I have had it checked and the shop didn't find anything via computer or via ohm meter. My question is -- since we are in the middle of a trip will it cause additional problems to the car besides running rough or eating gas. 2009 Ford Flex
Expert:  Ricardo Hohl replied 2 years ago.
is definitely the 02 sensor, this is not going to cause any problems other then just run a little rich and spend about 10% more on gas. i will recommend to change your oil because the rich condition will brake down oil viscosity .