1999 Chevrolet Tahoe "4 o2 sensor" Questions

4 o2 sensors are possible any given vehicle). If check engine light is still on, have the codes cleared, have scan performed again to get the fault codes for possibly the specific o2 sensor. Hope this

4 o2 sensors.They are all on the exhaust system.There is one on the left side exhaust manifold pipe and one on the right exhaust manifold pipe.Then there is one in front of the catalytic converter and

...4 O2 sensors (1 in front of converter and 1 behind it on both of the pipes) Front ones are definetely shot!!!! Be prepared to put the rear ones in shortly after!!!!! they are about $80 canadian each ...

o2 sensor is bad, but would that cause my truck to sputter and when i depress the gas more than. 1/4 way it slows down drasticly instead of going faster the only code it throwing though is the rear o2

...4 and 6 engine was cleaned and 1 gallon 2cycle mix fuse added mistakenly by the detailer. had codes for both bank 2 o2 sensors, p0300 random misfire and a mass air flow code ... replaced bank 2 ...

...fuel but when you speed up it gets better 1 Dirty Air Filter 2 Check/Replace Vacum Lines 3 Check mass air flow sensor for obstruction 4 Check/Replace o2 sensor 5 Have onboard computer checked 6

...be caused by the 141 code which is O2 Sensor Heater Circuit --you have some kind if wiring /problem with the last 4 check and look for damaged or disconnected sensors harness --then test the ...

...4 Catalytic Converters & related O2 sensors - just depends on the engine and design. Depending on which O2 sensor is supposedly bad on your Tahoe (as from the EXACT 4 digit CHECK ENGINE trouble code) ...

...are in relation to one another.One of these codes probably caused the other two.I would try changing the o2 sensor . Be sure you change the right one though as there could possibly up to 4 o2

need to replace o2 sensors on 1999 tahoe just unplug it, then unscrew it, pretty simple.good luck. note you have 3 or 4 o2 sensors make sure you replace right one.