Regular Smog Check
STAR Smog Station
Smog Check Repair
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EGR Valve
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1998 Pontiac Sunfire with EGR Valve recently replaced.
by
Seth
Yes (1)
1991 volvo 780 turbo 2.3 L, nox emissions were really high other emissions were good
by
eric
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EGR Valve Test - Subaru Outback Legacy 1999 2.5 Liter Engine Failed EGR Test.
by
Bernie
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