Problem with my 2000 pontiac Bonneville ssei
Mileage = 125000
3.8 series 2
p0102
tech = jk
question = the fist code was bank 1 running to lean changed plugs
wires now this code comes up mass circuit voltage low what could that be.






JK:
You could have a vacuum leak. Suggest checking for that First next, check all
fuses, then check the wires at the MAF sensor connector. Sometimes they break
inside the colored insulation. Pull slightly on each wire at the connector. If a wire is
broken, then the insulation will stretch. This will give the P0102, which may also
have given the lean code.

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