Thread: EGR code 71
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Old 04-29-2008, 12:45 PM   #7 (permalink)
Alex 400
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Join Date: May 2007
Location: Shoreline, Wa
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Quote:
Originally Posted by 4Crawler View Post
Yes, the ECU logic is that if it commands the EGR valve to open, after a period of time, the temp. sensor should indicate a temperature inside the EGR valve above some minimum value to tell the ECU that hot exhaust gas is indeed flowing through the valve. If not, the ECU assumes with the sensor or the valve is not working.
ok so i did test the egr valve with a vacuum pump and the motor stumbled when i opened the valve, so the valve checks out. would you think that its the temp sensor?
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