I have the "check engine light" that comes on while I am driving in the city around 40mph and below. If I drive on the freeway I do not have this problem of the "check engine light" coming on. The code that comes up is the 02-Oxygen Sensor. The motor has been modified. Bored .030 over, decked 10. RV cam and headers. The motor still runs fine. I have heard that when modifications are done that there will be problems with this code. I wanted to know if any thing can resolve this problem?
o2 sensor code on a 1994 Chevy Silverado C1500 350.?
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