Help! Do I have a leg to stand on here?

Asked by Feb 20, 2014 at 06:43 PM about the 1998 Toyota Avalon

Question type: Maintenance & Repair

I drive a 1998 Toyota Avalon with approximately 201,000 miles. My check engine light
came on last week, so I made an appointment to get it diagnosed and fixed by a
mechanic. I asked him what the codes were, he said there were the following codes:
171, 303, 305, 300. He diagnosed the problem as being the Mass Airflow Sensor and
replaced that. The whole thing, diagnosis, part and repair totaled $275. Now, 3 days
later, the check engine light has come back on. Clearly, this was not the right repair. I
feel like I should not have to pay for any subsequent repairs seeing as he performed a
costly repair on my car and the problem is not fixed. Do I have a leg to stand on here?

2 Answers

251,395

Sure, tell him what you told us and if they are a reputable shop, then they will help you. Be civil about it and don't loose your cool. P0171 is a lean code, 300, 303, 305 are misfire codes.

What is a "lean" code versus a misfire code?

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