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Originally Posted by BroncoJoe19  Yeah... I'd say you were lucky that the vacuum leak got bad enough that it caused a malfunction that was obvious.
When I said, "My first guesses would be vacuum leak(s) or a bad IAC." I wasn't thinking of the little one's under the dash that actuate the controls for the front and rear a/c or heat. |
Well, I'm not sure that was the entire solution. As I said before, we still have the CEL light on, even though the engine runs 100% better than when we got it back from the garage. AutoZone said it's still the PO171 "system too lean" code. We replaced one O2 sensor; in reading a newer thread here concerning the same code, does that mean we need to replace the second as well? I was assuming the CEL would clear itself out once the problem seemed to be resolved. Was I wrong to assume that? I hate to take it to the dealer if we don't need to, but if the light stays on, I'm thinking we need to.
