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Thread: Towncar Stretch won't stay running

  1. #61
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    When you said it would not even start are you saying no crank/no start or crank/no start. If it is no crank, I would look electrical. If it is crank/no start I would lean more towards fuel. Do you have fire at the plugs? Do you have fuel pressure? That is all it rally takes to run. You did mention that you sprayed starter fluid into it and it did run so that indicates you have electrical fire but no fuel, Possible fuel pump problem?

  2. #62
    Senior Member Elegant Limousines of Palm Coast's Avatar
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    When the car will not start is going to be the key to figuring this out. 1st put a fuel pressure gauge on the engine. This can be connected to the fuel rail on the schrader valve. Now when the engine will not start see if you have fuel pressure. If you have pressure is it enough? This engine requires 35- 45 psi to run.

    If there is no pressure you need to check for power to the pump. The easiest way to check this is at the inertia switch also known as the fuel pump shut off switch. It is mounted in the trunk on the drivers side close to the trunk hinge. Have someone try to start it while you check for power from the pink wire. This should have 12 volts when the engine is cranking. Make sure to use a volt meter and not just a test light. You need to make sure you have proper voltage to run the pump. If all is well there you need a fuel pump also make sure you don't have a clogged fuel filter. I hope this helps. Let me know if you make any progress or need any advise. Good luck !!

  3. #63
    Senior Member Cedar Mill Limousine's Avatar
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    Mike is right on - you need to figure out if you are not getting fuel, spark, or air.

    Worse comes to worse, cut your losses and dump it at an auction. I have a friend that had an '07 Tahoe. He would be driving fine, push down on the gas, and then nothing. The dealer put 5K miles on it while replacing every part they could think of. They even hooked up some kind of "Bozo" button so that when ever this would happen you hit the button and it would record everything that happened 15 seconds before and after you hit the button. They never found the problem (one of the techs almost got T-boned pulling into the dealership because it stalled on him). He called GM corporate and they said since he was the second owner (it only had 30K miles on it) the best they could do was offer him $1,000 towards a new purchase. They ended up dumping it at an auction - sometimes there is no other option. Sounds like there are some handy mechanics on here - maybe they would buy it from you knowing what problems you have and they might be able to figure it out...if you give it to them cheap enough.
    Rich Rottier
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  4. #64
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    Not saying it's the same but one of my diesel buses just did this, would start then die. The first shop spent 4 days on it and gave up, the second shop found the problem in one day. A computer called the "IDM" (Injection Driver Module) went bad. The part was 950 bucks but was back on the road before the next weekend.

  5. #65

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    Its back at the 2nd ford dealer. Thx for suggestions. Also it has a brand new fuel pump, that was the first thing we did as we thought it was that.
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  6. #66
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    First Class - I recommend that you find an automotive eletrical diagnostic shop, almost every large city will have a shop that is an expert at this. Their labor rates are usually higher but so is a medical specialist.

    Digger - When it comes to diesels, only deal with a true diesel mechanic from the beginning--saves time and money in the long run in most cases. I would also recommend that if anyone has a diesel in their fleet you should buy a book on general diesel mechanics and learn about their workings (mechanical & electronic injection), everything else is pretty much the same in regards to accessories and maintenance. I personally think that diesels are much easier to work on than gassers but most people I talk to are intimidated by diesels.

  7. #67

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    Thanks for suggestions. The new lincoln dealer has had it for 4 days now. They found a bad relay for the computer and fixed that. They test drove it for 2 days and it was fine. They were getting ready to give it back to us and it stalled again on them today after working fine for 2 days.
    I offer Search engine optimization for Limo Companies. Our main limo website has had over 9.6 million hits. Some of my clients: www.FirstClassLimos.net Rome Tours Tours in Rome Limo Service Philadelphia www.PartyBusToledo.com

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  8. #68
    Senior Member Jon Hook's Avatar
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    Hope they didn't give it back yet then.
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