During smog co should be 0.05 % or ppm hc or hydo cardons should be
fairly balanced, if co is high temp sensors can cause over fueling, (rich)
leaking injectors,bad fuel pressure regulator can all cause high co
readings. High hc readings can indicate vac leak (manifold) egr
malfunction, near over heat,catylist below threshold, after cat ox sensor,
if your car is high miles this is a common issue in these daewoo engines.
Yes thats correct,daewoo got in bed w gm in 1987 sprint,metro, and even
some pontiacs used this drive train. The engine may have seen its life
span being eco friendly, sorry i wish i had a fix this problem solution for
you.
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