p0171 code on

Question

I had my car check engine light code ran and I was told I needed to replace the 02 sensor. The car jumped a little on acceleration and I replaced the o2 sensor. P0171 code on I replaced the o2 sensor. Car runs good but can't clear the engine light is their something I'm missing ?

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Answer 1

Vacuum leaks are the most common codes that can cause a lean code condition, If none is found , Do a MAF air cleaning, With this engine type it is highly recommended that you add a fuel injector cleaning into the fuel tank, This engine tends to build up carbon deposit on the intake valve and fuel injector deposits