Here is what happened to one of my customers awhile back:
Stella bought a small pickup, with a window sticker, "As Is!"
The next day she was driving to town and it died, so she pulled off the road, called the wrecker to tow it to my shop.
When I turned the ignition to start, the engine cranked up and sang just as smooth as the Blue Bell cow.
She wanted me to tell her what was wrong I told her I had no idea, as it was running fine, now.
Sure enough, two days later I get a call, "Come crank my truck!"
When I got there I checked to make sure we were getting fire to the distributor.
Then I checked to make sure we were getting fuel...no fuel.
The fuel gauge showed half full.
I removed the fuel filter; there was no fuel in it.
I had her crank the engine a couple of times and then fuel started flowing through the line.
I connected the line to the filter and had her crank it again fuel flowed through the filter.
I noticed the filter was new The fuel lines were new.
Evidently the previous owner had had the same problem.
On a hunch, I decided to replace the fuel pump.
Sometimes a fuel pump will just quit pumping, then after it sits awhile, it will go back to work Ive worked with people like that. :-)
That must have been the problem because it never died on her again until she turned the ignition switch off.
Tommy Sessions has been in auto repair since 1970. He publishes Auto Repair Answers Newsletter so you can learn how to keep your vehicle looking new, running safely and efficiently, while you save money and time...also, learn how to avoid shop rip offs. Don't be at the mercy of the dealerships and auto repair shops...they will have more respect for you.http://www.auto-repair-answers.comArticle Source: http://EzineArticles.com/?expert=Tommy_Sessions
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You May Have A Bad Fuel Pump!
By Tommy Sessions
This happened about every two or three days: each time the wrecker dropped it off, it would crank up and run; and she would ask, "What's wrong? You're the mechanic."
I told her to call me the next time instead of the wrecker. The only way I was going to be able to find the problem, was to be there when it happened.