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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 02 sensor Sign up here!   Email This Post Auto Repair Home>> Automotive Repair>> Car Troubleshooting presop Anonymous Poster presop@aol.com Dec 29, 2005, 8:11 AM Post #1 of 3 (2341 views) 02 sensor Sign In I would like to know how many 02 sensors there are on a '00 chevy Impala. also location and which wire is which. they are "4 wire" Thanks DanD Veteran / Moderator Dec 30, 2005, 3:37 PM Post #2 of 3 (2323 views) Re: 02 sensor Sign In Depending on what engine there are either one or two sensor, a 3.8 Lt only had the one if it’s a 3.4Lt. it’ll have two O2 sensors for this year of vehicle. Regardless of which engine you’ll find one sensor in the rear exhaust manifold and on the 3.4 the second sensor is in the exhaust behind the catalytic converter. This is a diagram of a 3.4’s front O2 in the manifold the 3.8 is in a similar location. Dan (1) Ignition Control Module (ICM) Connector, C2 (2) C102 (Inline to Fuel Injector Wiring Harness) (3) Heated Oxygen Sensor (H2OS) Pigtail (4) Heated Oxygen Sensor (H2OS) (5) Ignition Control Module (ICM) Connector, C1 Canadian "EH" Guest Anonymous Poster Jan 5, 2006, 7:02 PM Post #3 of 3 (2312 views) Re: 02 sensor Sign In Thanks for the reply   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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