93 Toyota pick up 4 cyl 22RE no vacuum signal to egr valve

Asked by Aug 09, 2015 at 04:30 PM about the 1993 Toyota Pickup 2 Dr STD Standard Cab SB

Question type: Maintenance & Repair

How to pass smog? Smog shop says no vacuum signal to egr valve.

5 Answers


Here are vacuum diagrams. In the picture of engine in blue box one is EFG valve and the other is modulator. Now, if you mean there is no vacuum in hose hooked up, follow that small hose to wherever it leads, and make sure it's hooked up. Or if you mean there is vacuum at modulator, you may need a new one


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