Question about 1998 Ford Explorer

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It stalls out after starting and will restart but continues to stall i believe the egr valve is sticking and has carbon build up in it how should i clean it?

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Fog the engine use (Sea Foam)

1. start the engine and let it get to operating temp

2. open a vacuum line that goes to the upper intake and pour the sea foam in intell the engine dies and wait 30 min minimun then start the engine it will not want to start give it alittle gas and keep it started it will smoke alot but should fix your problem THIS WILL NOT HURT THE ENGINE and can be done many times ....Dooley

Posted on Aug 21, 2009

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Pull throtle body and egr and clean out carbon but could be dpfe sensor also

Posted on Jun 28, 2009


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I come to a stop and the car runs rough and dies sometimes.I restart and it is fine.

Hello, and welcome to FixYa. Please allow us to assist you.

What you have is most likely a sticking EGR valve. This device opens on deceleration, and routes exhaust gas back thru the engine; a pollution control device.

Now, if it sticks in the open position at idle, the exhaust is going into the engine at the wrong time, and this will stall your vehicle.

I would recommend removing the valve, and see if the tube going to the valve is carboned up. If so, you could consider cleaning out the carbon buildup with some carb cleaner, and spraying the carb cleaner into the valve may eliminate your condition. The best way to fix this is buy and install a new EGR valve, but we would recommend cleaning the old one first; that may save you some money.

Thanks for choosing FixYa.

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Things that make your engine do what it is doing.

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Find the vacuum leak if there is one.. and check the function of your EGR valve.

A functioning EGR valve with an ORAL vacuum line suction test will cause the engine to stall / die when suction is applied to the ORAL external line.

Even if it passes the ORAL test... it can still have carbon build inside the plumbing that does not allow the seating pin to fully seat and the engine will surge or be hard to start when warm.

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