1999 Toyota Sienna Check Engine Code P0125

1999 TOYOTA SIENNA
114,000 MILES • 6 CYL • 2WD • AUTOMATIC
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SAYCOFJ
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How do you repair code p0125 closed loop fuel control insufficent coolant temp?
Aug 12, 2009 at 8:12 PM
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MHPAUTOS
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Hi there,

your thermostat may be stuck fully open, check this and if engine temp is ok, check the coolant temp sensor for range.

Mark. (mhpautos)
Aug 12, 2009 at 8:42 PM