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Automotive Repair Car Troubleshooting Topics   Car Troubleshooting   Engine Troubleshooting   Engine Fault Codes   Electrical and Wiring   Transmission Problems Car Repair Topics   Car Making Noises   Car Stereo Repair   Heating or AC Issues   Motorcycles and ATVs   Tricks of the Trade   Truck Repair Advice Site Options:      Login   Sign up here! Latest Forum Post   2006 Toyoto Camry XLE Driver Side Electric Window Trouble Hello, Looking for a little brain help ...   Tierod end change caused some kind of leak Hello so I just took my car to the nearb...   2011 Dodge Nitro OBD scanner seems to drain battery in 10-20 minutes When I bought this car in summer 2023, a... Grounding Cable, 2017 Jeep Renegade Trailhawk The Cable that connects my negative batt... Rough Idle (Found new thing) Hi everyone. First of all sorry for bad ...     equipment hey yall. im a first year engineering st...   HELP I have a 1956 1/2 ton panel truck, 69 35...   Howdy     Just wanted to s...   ABS/Tractiob/Brake Lights on But No DTCs Hello all, Recently while driving m...   Chevy strut replacement I'm trying to get a sensor of some kind ...

Search Auto Parts Search 1999 blazer oxygen sensor Sign up here!   Email This Post Auto Repair Home>> Automotive Repair>> Car Troubleshooting huffy47 User Apr 14, 2011, 6:52 PM Post #1 of 3 (3295 views) 1999 blazer oxygen sensor Sign In I have a 1999 chev blazer with a 4.3 motor that is a four wheel drive I am receiving a code that said the oxygen sensor needs replacing. Does this vehicle have one or two sensor? Thank You for your time huffy47 Hammer Time Ultimate Carjunky / Moderator Apr 14, 2011, 6:57 PM Post #2 of 3 (3287 views) Re: 1999 blazer oxygen sensor Sign In Codes don't tell you what to replace. The technician figures that out. What is the exact code number? ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ We offer help in answering questions, clarifying things or giving advice but we are not a substitute for an on-site inspection by a professional. techforfree User Apr 15, 2011, 5:15 AM Post #3 of 3 (3276 views) Re: 1999 blazer oxygen sensor Sign In First there no codes that tell you the o2 sensor needs replaced,is the code showing a heater problem in the 02 sensor or is it showing a lean or rich condition ?..if its a heater problem then it needs replaced..but if its a lean or rich problem its most likely a different problem causing the sensor to read lean or rich,But the answer to your question os that there should be 3 02 sensors on that vehicle and the scan tool should tell which one is acting up.should read bamk 1 sen.1,or sensor 1 bank 2 or sensor 3...sensor 1 is drivers side,2 is pass side 3 is back in front of cat converter..good luck   Email This Post   Automotive Repair     Auto Body Repair and Refinishing     Heating or AC Issues     Electrical and Wiring     Brake Systems     Car Stereo Repair Advice     General Discussions     Car Making Funny Noises     Engine Fault Codes     Engine Troubles     Exhaust Systems     Steering and Suspension     Transmission Troubles     Tricks of the Trade Automotive World     General Discussions     Antique Car Talk     Car Shows and Events     The Bargin Bin     Motor Vehicle Inspection     Car Care Tips     Traffic Tickets     Gasoline, Motor Oils, Concept Cars and Engines     Auto Insurance, Financing, Leases, Warranties Truck Repair     General Discussions     Truck Engine Repair     Truck Suspension Repair Motorcycle Repair     General Discussions     Motorcycle Engine Repair CarJunky     Open Posting     Board FAQ's     New Board Suggestions

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