Help vacuum switching valve??
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Hello first time post. I have a 96 lexus es 300 and i have desperate question i have read that the code p0401 insufficient gas flow is attributed to egr circuit, egr valve, egr modulator and the vsv are usually the problem but i changed the first 2 which leaves the vsv i need to know how much one runs for approximately and if i can buy one online for a reasonable price??
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