Recurring Trouble Codes - 172 176
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From: Davis & Newcastle, CA
Recurring Trouble Codes - 172 176
So I've had a couple CE codes that just keep coming back:
172 - HEGO sensor circuit indicates system lean (right side)
176 - HEGO sensor circuit indicates system lean (left side)
What is HEGO and why am I getting these codes??
-Chris
172 - HEGO sensor circuit indicates system lean (right side)
176 - HEGO sensor circuit indicates system lean (left side)
What is HEGO and why am I getting these codes??
-Chris
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From: Davis & Newcastle, CA
Yeah it's a continuous memory code (happens during operation and gets stored in memory) that gets pulled during the KOEO test. I'm using a code reader that gives out a digital reading of the codes that are thrown.
-Chris
-Chris
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From: Davis & Newcastle, CA
Double check the o2 sensors wires and connectors, and also checked sensors for being tight. All good there. Any other ideas?
-Chris
-Chris
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From: Davis & Newcastle, CA
They're brand new, I said 8k but more realistically they're probably less than 5k old. I just can't imagine that they could be bad! They're Bosch sensors. I know that whole saying about how new parts aren't always good parts but these suckers are $50 a pop! I can't be throwin' around money like that. I'll see if I kept the receipt and maybe autozone will replace them.
Are the o2 sensors really the only things that'll throw the hego code? How 'bout a clogged cat?
-Chris
Are the o2 sensors really the only things that'll throw the hego code? How 'bout a clogged cat?
-Chris
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Joined: Oct 2006
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From: Davis & Newcastle, CA
Sorry, scratch that. I bought them at Kragen. Anytime I shop at autozone it's only for cheap tools (eg. fuel line disconnects) or brand name parts. But even then - very seldom.
-Chris
-Chris
