Expedition starting trouble.

How does it quit? Is like it someone turned off the ignition? This would point to a possible bad electical connection. If it sputters and dies, it could still be that or a host of other problems. John

Thanks for asking. It sputters and dies. Actually, when the problem occurs, it tbreifly tries to idle a such a low rpm that there's no way it should keep running, and, if I'm quick enough before it dies, trying to tap the gas pedal to bring it around has no effect. It's times like this that I wish it had a carb, and plugs I could see :-)

RFan

On Tue, 02 Aug 2005 21:49:24 +0000, RFan rearranged some electrons to form:

Have you replaced the fuel filter recently?

This could be caused by many problems. I'd check the computer for stored codes (even if no light), ignition and fuel delivery. John

Try cleaning your MAF and IAC. You may need to soak the IAC valve end in solvent overnight. The MAF can be cleaned with a residue free electrical cleaner. You may be able to clean the IAC by removing the air intake pipe from the air cleaner box. You will need a good aerosol throttle body cleaner for the IAC. The IAC will need to be removed to clean properly. Both are easy cheap projects. Search Google for clean MAF or Clean IAC for pictures and instructions or check back here for more help if you decide to DIY. You tuneup may not have included these services since most commercial shops just replace them when service is indicated by a fault code. These items may not set a fault code while misbehaving.

Good luck Lugnut

Drove my 2000 Expo about 40 miles, shut it off for about 3 min, no start. Sputtering, sometimes starting at low rpm, then dying. Had it towed to a shop where it started fine. Shop owner told me Fords have a problem with fuel pumps that when they get hot, they quit. Drove it home, replaced fuel pump ($129) no more problems.

Might check for water in fuel. It is heavier than fuel and will sink to bottom of tank by pickup untill it is stirred up some.