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Discussion Starter · #1 ·
2006 Corolla-- the error code changes from p0170 to p0171

I have a 06 Corrolla. I was getting p0170 for a while and finally I cleaned the MAF and even without resetting, the CEL went off. After 200 miles of driving, it came back again yesterday with error code p0171. I looked into the forum and found that it might be the INTAKE manifold GASKET. However, I am not sure.
Note that during winter time, the idle was not smooth before it fully warmed up and then it was smooth.
I greatly appreciate if anyone can give me an advice -- Alireza
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