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| EL_Fairmont |
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Car started to have low idle, nearly stalling at the lights.
Ran a test and got the code 172. Anyone know what this code means. It was a found on engine running test. Cheers Luke. |
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| XCH45R |
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how did you do the test? does ur airbag light come up and flash?
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| jero |
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on a ef it is oxegen sensor (system running lean ) might be the same ??? depends how much they changed things
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| joolz |
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Same on EL's.
172= test condition (running) Heated oxygen sensor indicates lean condition. Make sure its not an old fault by erasing the fault codes then run again. |
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| EL_Fairmont |
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just an update, replaced oxygen sensor($72 Repco) and the car is now running fine again.
cheers............. |
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| EL_Fairmont |
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Done 2000km since oxy sensor replaced and exhaust tip is clean as a whistle, no black stuff. car is not running rich anymore.
Getting 780Km on the highway now( trip computer) with a full tank. Before the trip meter use to only go up to about 600km with a full tank. Cheers Luke......... |
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| 4.9 EF Futura |
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Raises good point.
When code 172 is displayed - EEC is seeing a lean condition from the HEGO. It will then richen the mixture up to try and get a more appropriate fuel mixture. When it makes it as rich as it can, and still seeing lean condition from HEGO - it cracks the s**t and throws up fault 172. So basically, when EEC says "lean condition on HEGO" - it means the car will be running rich.. if that makes sense??
_________________ I promise..... I will never die. |
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| MARK.TANIA |
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DO YOU KNOW WHAT REPCO MEANS? RIP/EVERY/POOR/CU*T/OFF HAHAHA
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