Question about 2000 Pontiac Bonneville

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It keeps stalling and won't keep running after the

Our 2000 Pontiac Bonneville with 3.8 engine keeps stalling and won't keep running after the engine is warmed up. what's the problem?

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Check the egr valve by located it and the vacuum hose connected to it. pull of the hose and check it for wear like cracks or hardening of the rubber. If it looks ok, reconnect it to the egr and start the engine while it is cold and with the engine idling, remove the hose from egr valve. If the engine sputters and then dies, pull off the vacuum hose one more time and try to start the car. If it runs fine with the hose disconnected, replace the egr valve.

Posted on May 12, 2010

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Posted on Jan 02, 2017

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