Quote:
Originally Posted by ApolloSki
Got a p172 code today. The idle was all messed up. Read earlier about the MAF sensor being the culprit. Bought some crc cleaner and problem solved, runs like a champ so far.
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Always inspect the MAF extension cable as well. I had the same thing, and it kept happening - turns out it was one of the wires coming out of the MAF extension harness. Replaced it, never had an issue since! :-)