Questions & Answers for: Chevrolet Blazer 02 sensors

...no fault found. What can it be?? did your tool state whether it was the up stream or down stream 02 sensor on the pass ...

O2 HEATER SENSOR WHERE IS IT LOCATED ? the heater is part of the 02 sensor but you have more than one 02 sensor they are in the exhaust manifolds or exhaust pipes

...sensors are located mounted to the exhaust pipe in front and behind the catylic converter the problem is in the circuit [wiring or sensor itself] check wiring and repair if necessary if the short or ...

...02 heater circuit senser? No they are two different sensors one takes the temperature of the amount of heat coming from the engine and the other reads how much carban monoxide is coming from the ...

...02 chevy blazer Hi, there are 4 sensors on your truck--two upstream and 2 downstream. The upstream sensors are mounted in the exhaust manifolds and the downstream sensors are mounted just behind the ...

engine service code P155 What part do I need? What p/n p0155 is an oxygen sensor code. ( 02 sensor bank 2 sensor 1 ). I believe bank two is the one for cylinders 2, 4, and 6. Sensor 1 would be the ...

check engine light on 2000 chevy blazer tested as PO147 02 heater circuit P0147 02 Sensor Heater Circuit Malfunction (Bank I Sensor 3) check this link for detailed explanations ...

error codes 1133 & 1153 1998 chevy blazer code P1133 is for a problem with 02 sensor bank one sensor one. this is the left 02 sensor in front of the cat. converter. code P1153 is for a problem ...

...am getting po135,po141,po147.po300 codes P0135 means 0xygen heater circuit malfunction, P0141 mean 02 heater circuit bank1 sensor 2 (this is catalytic monitor) P0147 means 02 heater sensor circuit ...

sensors,still get code 135.replaced spark plugs/pcm/wires.now get code 135/155.is there a vacuum leak/other place to look to fix this?there is no high resistance in the wires/no shorts to ground. Here