i have 1988 toyota its just had a complete rebuild do to the motor its a 22re its giving me a code 14,21,43,51,52 i just got the truck it was not drove after the motor was rebuilt i have replast the o2 senser with one from my 89 and i know that one works fine i did take notice to there was no knock senser and no were to put it could it maybe be that they swaped blocks with a 22r that there is not a place to put the knock senser and if so how could i mount it i just drove it down the road after putting the o2 senser in to see if it help and i noticed when i got back the exhust manafold was glowing orange cud it be the cat is cloged i would be more then happy for any help im lost i have never had this many problems out of a toyota

Thanks Levi