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Joined: Oct 2020
Posts: 7
Also new here
Hi and hello all
I知 driving a used 2001 TC le 2.2l mileage is 104809. I知 working with a error code PO 171. I知 just curious if anyone has experience with that code and what did that person do to solve it not just clear it away.
thx in advance
I知 driving a used 2001 TC le 2.2l mileage is 104809. I知 working with a error code PO 171. I知 just curious if anyone has experience with that code and what did that person do to solve it not just clear it away.
thx in advance
Super Moderator
Joined: Jan 2008
Posts: 15,179
From: PTW
P0171 is the fuel system is too lean.
Check for:
Leaks or detached hose on engine intake system-vacuum leak.
Low fuel pressure.
Blocked injector
Bad O2 sensor Bank 1, Sensor 1
Bad MAP sensor or leaking hose to sensor. Rare
Engine coolant sensor ECTS
Exhaust leaks.
Ign problems
Bad computer. Rare
Typically the issue is a bad O2 sensor, vacuum leak.
Does the engine run OK?
Check for:
Leaks or detached hose on engine intake system-vacuum leak.
Low fuel pressure.
Blocked injector
Bad O2 sensor Bank 1, Sensor 1
Bad MAP sensor or leaking hose to sensor. Rare
Engine coolant sensor ECTS
Exhaust leaks.
Ign problems
Bad computer. Rare
Typically the issue is a bad O2 sensor, vacuum leak.
Does the engine run OK?
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