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Horn not working.
Brown to brown worked for- Paddy
- Post #9
- Forum: Police Package/Specialty Service Discussion
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O2 sensor codes
Aaron Just seams odd both are "bad". I can throw parts at it but I'm an engineer and am always asking "why" something doesn't work. I plan to replace the fuel pump in any case, I had a Suburban pump fail when on vacation and towing a boat! The lost vacation time and having to pay someone to...- Paddy
- Post #12
- Forum: Engine & Drivetrain
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O2 sensor codes
CobraKing, I have a Bosch OBD 1100 scan tool. While driving my wife was checking the live data. My understanding the "pre-Catylic sensor" should fluctuate from .02 to .8-9. Both sides did. The after should hold steady at about .5, both were in the the .45 range. I'm new to scan tools and...- Paddy
- Post #10
- Forum: Engine & Drivetrain
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O2 sensor codes
The O2 codes are back after 50 mi with no check engine light. At least the P0521 code has stayed off. I might need to replace the O2 sensors and hope that does it- Paddy
- Post #7
- Forum: Engine & Drivetrain
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O2 sensor codes
A Bosch reader. But the check engine light is now gone/cleared. But there is more to the story I didn't think was relevant so I didn't mention it. When I bought the Tahoe 3 weeks ago, it had the P0521, Pressure sensor and the O2 sensors codes. The dealer had said he replaced the filter and oil...- Paddy
- Post #5
- Forum: Engine & Drivetrain
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O2 sensor codes
I googled it as a code; When an OBD-II equipped vehicle has a stored P015B code, it means that the powertrain control module (PCM) has detected a delayed response time from the upstream (first one after the exhaust leaves the engine, in front of catalytic converter) oxygen (O2) sensor or...- Paddy
- Post #3
- Forum: Engine & Drivetrain
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O2 sensor codes
First post here. I just bought a 2013 Tahoe SSV. Real clean and minimal holes. But my question is not related to the SSV type, so I post here. It's throwing codes for the O2 sensors, P015B and P015D. Delayed responce-Lean to Rich, Banks 1 and 2 Senors 1 How to tell if it has bad catalytic...- Paddy
- Thread
- Replies: 16
- Forum: Engine & Drivetrain
