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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   Drive Shaft Repair I have a 2015 Chevy Traverse AWD. The fr...   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...

Search Auto Parts Search o2 sensor on '95 jeep Sign up here!   Email This Post Auto Repair Home>> Automotive Repair>> Engine ODB2 Fault Codes completelyhis User Jan 3, 2008, 9:35 AM Post #1 of 4 (2295 views) o2 sensor on '95 jeep Sign In My o2 sensor on my '95 jeep keeps faulting. when i hook up the code reader it says something about high voltage something or other (sorry, don't have the code reader with me, and my memory is worthless). i replaced the sensor, but it keeps happening. any suggestions as to what to look for? way2old Veteran / Moderator Jan 4, 2008, 5:48 AM Post #2 of 4 (2288 views) Re: o2 sensor on '95 jeep Sign In See if you can get the exact code numbers and post back. There are too many variables on the O2 sensors. Vacuum leaks, too much fuel, not enough fuel, exhaust leak, exhaust restrictions, MAF or MAP reading wrong, bad wiring, bad connections. These are just a few of the things that can cause an O2 code. Being way2old is why I need help from younger minds completelyhis User Jan 22, 2008, 8:40 AM Post #3 of 4 (2256 views) Re: o2 sensor on '95 jeep Sign In The exact code is 21 Oxygen sensor bank 1 position 1 shorted to high voltage I just replaced this sensor about 2 weeks prior to the code showing up. I notice a foul smell in the exhaust, plus it seems to be putting out a nasty blackness (dang, new muffler and cat. conv too!!) The check engine light comes on/off intermittantly, the engine runs much worse when the check engine light is on, so I do think it is a "real" problem. dave284 Enthusiast Jan 22, 2008, 2:09 PM Post #4 of 4 (2253 views) Re: o2 sensor on '95 jeep Sign In JUST A NOTE , I HAD A KIA WITH SAME PROBLEM AFTER REPLACING 02 SENSOR THIRD TIME , I REALIZED SOME OF THE AFTER MARKET PARTS DON'T WORK ,THE OEM DID THE TRICK   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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