Question about Toyota Pickup
The most common problem with a code 71 is the EGR valve,they get plugged up from carbon build up. Best way to test it is with a hand held vacuum pump. Connect it to the EGR valve, and with the engine running at idle, squeeze the vac pump a couple times to open the EGR valve. That should stall the engine. If it dosent, the EGR valve is probably plugged up. At that point you'll have to take it off and clean the carbon out. Even if you have your mechanic check into it, it shouldnt be that expensive to remove it and clean it out or replace it. Also verify the passages are clean and free of carbon.
Posted on Jul 14, 2010
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Posted on Jan 02, 2017
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