Casey Price
OBS Enthusiast
My truck is a 88 1500 with the 5.7 Has long tube headers. How important is it to have the O2 sensors on. When I purchased the truck he told me he never put the o2 sensors on. Truck throws a CE light about 10-15 minutes after driving but will clear if I turn the truck off for a few minutes. Can someone send me a picture where and what the o2 sensor plugs look like.