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i have the same truck and same code , it seems that there is a problem with the egr vsv electrical valve connected to the egr and it's not the modulator valve the one that looks similar to the egr but plastic this one has two hoses to it and an electrical connector

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โˆ™ 2006-12-21 05:06:54
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Q: Why is my 96 previa Check Engine Light on with a p0401 egr flow insufficient detected code when the fuel level is low Is it possible the code is wrong The CEL is on due to the fuel cap is old or leak?
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