2006 TOYOTA TUNDRA
150,000 MILES
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BIGDAWGMATT
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  • 4 POSTS
What causes 171 174 lean and when getting in the throttle hard it like dies rpm falls to zero and back up like nothing happened and it don't do it every time its like a throttle stop
Apr 5, 2013 at 12:26 AM
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ASEMASTER6371
  • CERTIFIED EXPERT
  • 52,796 POSTS
codes could be low fuel pressure, vacuum leaks, bad pcv valve or bad mass air flow

Roy
Apr 5, 2013 at 12:33 AM
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BIGDAWGMATT
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  • 4 POSTS
It runs great no missing just like push down gas hard and its like you turn key off for a second and turn back on its like nothing I have ever seen thanks for help
Apr 5, 2013 at 12:56 AM
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BIGDAWGMATT
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  • 4 POSTS
That's only while driving
Apr 5, 2013 at 12:58 AM
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BIGDAWGMATT
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Drove fine today.I don't know what to the customer.
Apr 5, 2013 at 4:07 PM