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P1456 Nissan -
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198
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asked
Nov 12, 2018
by
Juliet
Could problems resulting to this be expensive to repair?
Vehicle:
2003 Nissean Maxima
p1456
check
engine
light
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1
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answered
Nov 12, 2018
by
Carguy1
(
13.5k
points)
Hi there,
Most of the expense will be with the diagnosis to be honest. What I usually find is the seal to the vent control valve leaking and needing to be replaced. The system has to be smoke checked to locate the problem.
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