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EGR Valve
Smog Check & Emissions Questions and Answers
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Question
Answered
Ford F150 has insufficent EGR flow. Why?
by
Kevin
Yes (1)
Mazda Millenia failed smog test for high NO @ 25mph only.
by
Thomas
Yes (1)
1988 Pontiac Grand Am - EGR valve test failed. Need advice on as to why.
by
sarah
Yes (1)
91 Geo Prizm with EGR valve removed. Why would my mechanic remove the EGR valve?
by
Deborah
Yes (1)
2002 Toyota Corolla - Is there a difference between a California CAT and a Federal CAT?
by
John
Yes (1)
1984 Toyota Pickup. 2.4 L EGR valve question; failed smog check for high NOx.
by
David
Yes (1)
Failed California smog test for high NOx - 1992 Toyota Corolla
by
mark
Yes (1)
Check engine light on due to EGR valve: 1996 Toyota Camry 4 cyl
by
Rebecca
Yes (1)
1996 Isuzu Trooper, 3.2 litre V6. Has an OBD code of 401. How can I get this to pass smog?
by
Keith
Yes (1)
2005 Dodge Grand Caravan displaying a p0409 code during smog check
by
Traci
Yes (1)
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