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The P0161 code for a Chevy Express 1500 indicates a problem with the oxygen sensor circuit in Bank 2, specifically the heater circuit. This can signal that the oxygen sensor is not heating up properly, which may lead to poor fuel efficiency and increased emissions. Common causes include a faulty oxygen sensor, wiring issues, or a blown fuse. It's important to diagnose and repair the issue to ensure optimal engine performance.
What else can I help you with?
How do you change the heater core in a 2004 Chevy Express 1500 van?
How do I replace the heater core in a Chevy express 1500
How do you remove antenna on 1998 Chevy Express?
how do i remove an antenna to a 1998 chevy express 1500 van
What size engine in 1998 Chevy 1500 van?
The 1998 Chevy Express 1500 Van could have the 4.3, 5.0 or the 5.7 engine.
How much does the Chevy Express van weigh?
Chevy Express 1500 is 0.5 ton, 2500 is 0.75 ton, and 3500 is 1 ton.
Where does the vacuum go from the top of the engine in a 2002 Chevy Express 1500 5 Liter engine?
Where does the vacuum line lead to from the top of an 2002 Chevy express 1500 van with 5 liter engine
How much freon does a 2000 chevy. Express 1500 take?
24x3
How much gas do 99 Chevy express van 1500 hold?
my 2003 express 4.3 v6 takes 30gallons
What is the fuel tank capacity on a 2000 Chevy 1500 express van?
31 Gallons
Where is the oil pressure sending unit on a 2001 Chevy Express 1500?
to the homes in ashbrig
Where is the fuel pump on a 1999 Chevy Express 1500 van?
Inside the fuel tank
How do change spark plugs on a 2000 Chevy Express van 1500 v8?
test
How much freon does the Chevy Express 1500 hold?
4 small cans of 134-a
