Engine stuble=EGR valve or EGR gas analyzer malfunction?
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From: West Coast
Engine stuble=EGR valve or EGR gas analyzer malfunction?
Ok, I have traced the engine stumble to the EGR gas analyzer or EGR valve itself. Also, the water-by pass tube to the EGR is either backing up with coolant or the hose is leaking. The dealer says the EGR valve is rare item to replace and is hardly replaced. So, my question is, has anyone replaced the EGR gas analyzer or EGR valve?
I replaced both oxygen sensors on my '92 SC 400 a week ago and I think somehow it fouled the EGR valve or gas analyzer.
TIA
I replaced both oxygen sensors on my '92 SC 400 a week ago and I think somehow it fouled the EGR valve or gas analyzer.
TIA
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