Re: code p1135
My 2002 van threw that code P1135, I added a can of seafoam and it went away, may be no relation and I am sure it will return.
I understand the all three sensors start going bad at about 100K still I guess if van is running good, worth keeping van and having sensors replaced.
I have sprayed sensor threads with penetrating oil, to insure the sensors unscrew. Have read that if sensors break off you have to replace exhaust manifold, do not know if this is true, but you would have to take it off to drill out sensor and retap threads. I do not want to pay for this if some pretreatment of penetration oil will help.
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