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31/03/2026 2:39 pm
Topic starter
2001 Toyota Tundra sr5 4.7 My truck runs great until it gets warm outside. Then at low rpm it will die. I changed the mass airflow sensor, cleaned the throttle body. fixed the vacuum leak. Any ideas?
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31/03/2026 2:46 pm
What led you to replace the mass airflow sensor? Did it test bad? Did you install an OEM sensor from a trustworthy source (not Amazon or eBay)?
Have you tested fuel pressure? What do your fuel trims look like?
