I've got a 2002 Toyota Tacoma that has a p1135 error code. It needs a new O2 sensor (upstream between the manifold and engine). I'm having trouble removing it and could use some help. It has two screws that need to be removed by the exhaust pipe. The other end of the wire where it should be unplugged is tucked way up above the transmission. I've just barely been able to snake my arm in there but can't figure out how to detach it. Can anyone help?
SOURCE: o2 sensor location 1997 pontiac grand am 2.4 4 cyl auto trans
BANK 1 SENSOR 1 IS THE ONE IN THE EXHAUST MANIFOLD. BANK 2 SENSOR 2 IS BELOW THE CATALYTIC CONVERTER.
P0171 SHOULD GO AWAY WITH A GOOD O2 SENSOR BUT DO CHECK FOR VACUUM LEAKS TO BE SURE. 3.1/3.4L ENGINES HAVE A BAD DESIGN INTAKE MANIFOLD GASKET, THE LEAK OIL, COOLANT, AND AIR.
SOURCE: 98 Tacoma exhaust manifold
the best way i know is to heat the bolts using asceteline and oxygen and then use an impact to break them loose.
SOURCE: S70 GLT head replacement
the easiest way to remove the head is to completely remove the exhaust manifold from the engine and turbo assy. you CAN just unbolt it from the engine , but it takes a good bit of wiggling to get it off if you are leaving thre manifold in the car
SOURCE: do i have to remove the entire engine for my 2002
No remove the axle on the side it is on and it can be pulled out but you need to go to www.alldatadiy.com and purchanse aa subscription to get the exact things to do, the answer would take a half day for me to type out, fact I could get it out before I could type it out.
SOURCE: I have a 2000 Toyota
AutoZone will lend you the tools you need to change the O2 sensor . You "Buy" the tool ( about $25)and get a full refund when you return it.
Long skinny arms DO come in handy but you may be able to get to it from under the car also
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