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02 sensor Sign up here! Search this forum this category all forums for All words Any words Whole Phrase (search options) Auto Repair Home>> Automotive Repair>> Car Troubleshooting presop Anonymous Poster presop@aol.com Dec 29, 2005, 8:11 AM Post #1 of 3 (2500 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 (2482 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 (2471 views) Re: 02 sensor Sign In Thanks for the reply   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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