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Po171 engine code ; nissan engine ;what I do
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asked
Oct 4, 2017
by
anonymous
What. Parts neede to replase
Vehicle:
Nissan ;march;K11
p0171
lean
bank1
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answered
Nov 29, 2018
by
Carguy1
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13.5k
points)
Hi there,
This code is usually the result of a faulty O2 sensor, mass air flow sensor or an intake manifold gasket leak. All of these need to be tested to determine which one is causing the problem
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