diagnostic help with AIR FUEL RATIO! possible wiring issue
#1
diagnostic help with AIR FUEL RATIO! possible wiring issue
1999 ES 300 check engine codes are
P1135
P1155
Which points out to air fuel ratio sensors. had someone at toyota OHM out the sensors and concluded both A/F sensors are bad.
Order two new sensors from toyota
part numbers are
89467-41011 - front
89467-41021 - rear
Those are the new parts in the front and rear, 89467 = air/fuel ratio sensors. the old sensors that came out were
89467-48011 - front
89467-41021 - rear
So all of them are pertaining that they are all air/fuel ratio sensors so they all must be the right part. This car has 2 A/F sensors and 1 O2, the only check engine light brings up are the air/fuel ratio. Both sensors were replaced, but the code is still there.
I think theres a wiring problem?
Should I check the ECM or how should I start checking out teh grounds any tips?
thanks
P1135
P1155
Which points out to air fuel ratio sensors. had someone at toyota OHM out the sensors and concluded both A/F sensors are bad.
Order two new sensors from toyota
part numbers are
89467-41011 - front
89467-41021 - rear
Those are the new parts in the front and rear, 89467 = air/fuel ratio sensors. the old sensors that came out were
89467-48011 - front
89467-41021 - rear
So all of them are pertaining that they are all air/fuel ratio sensors so they all must be the right part. This car has 2 A/F sensors and 1 O2, the only check engine light brings up are the air/fuel ratio. Both sensors were replaced, but the code is still there.
I think theres a wiring problem?
Should I check the ECM or how should I start checking out teh grounds any tips?
thanks
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