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Discussion Starter · #1 ·
Threw a code with the new motor...
advanced says o2 is reading slow. Also has erratic idle.
At first start, idle is low and after warm up it starts to smoke a little after about 10 min. After a little throttle, smoke goes away. Doesn't smell like oil or coolant... then after I drive it, it starts to idle at 1k...
Could the bad front o2 sensor be doing all of this or are the other symptoms signs of something more?
 

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I keep getting a slow response cel too. Found out that my 3in dp can cause the problem. Since.its bigger it does not heat up as quickly and will throw the code.
 

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Discussion Starter · #6 ·
Was curious about the idle so I swapped the idle control valve and after a short drive , light went out by itself and idle is back to normal. :)
 
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