2000 V10 Excursion wont start
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2000 V10 Excursion wont start
HI all,
I have a 2000 Excursion with the V10 engine, for the past 4 months been battling a no start issue with my truck, it will crank strong but wont start, it will start and run say first thing in the morning but if you drive it around as little as around the block and shut it off it wont start just sits there and cranks. sometimes we have to wait a few minutes sometimes a few days, I get good fuel pressure at the rail, I started recently unhooking the battery every night and that fixed it to where it would start up in the morning but after running a while it wont start, when it is in its no start mode my scan tool can not read the computer, so I took it into a shop and they determined it was the computer but they can not flash it so I bought a unprogrammed one because they are cheaper and found a shop that can program it that happened yesterday, drove it home shut it off, it started right up several times so I thought gtg but wife gets ready to go to work this morning after sitting for about 20hours and the truck wouldn't start but after about 5 minutes of her trying it finally did, so I am at a lost please help!! I am thinking crankshaft positioning sensor????
I have a 2000 Excursion with the V10 engine, for the past 4 months been battling a no start issue with my truck, it will crank strong but wont start, it will start and run say first thing in the morning but if you drive it around as little as around the block and shut it off it wont start just sits there and cranks. sometimes we have to wait a few minutes sometimes a few days, I get good fuel pressure at the rail, I started recently unhooking the battery every night and that fixed it to where it would start up in the morning but after running a while it wont start, when it is in its no start mode my scan tool can not read the computer, so I took it into a shop and they determined it was the computer but they can not flash it so I bought a unprogrammed one because they are cheaper and found a shop that can program it that happened yesterday, drove it home shut it off, it started right up several times so I thought gtg but wife gets ready to go to work this morning after sitting for about 20hours and the truck wouldn't start but after about 5 minutes of her trying it finally did, so I am at a lost please help!! I am thinking crankshaft positioning sensor????
Senior User
Joined: Apr 2009
Posts: 194
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From: South Carolina
Crank shaft position sensor
I recently had this same problem. Random instances of cranking but not starting. The X did not throw any codes. Once I even had it towed to the dealer but it was working again after it was dropped off.
Finally if failed while they had it. It was the crankshaft position sensor and that fixed it. The part is not expensive and pretty easy to get to. Wish I knew it at the time so I could have saved some money.
Finally if failed while they had it. It was the crankshaft position sensor and that fixed it. The part is not expensive and pretty easy to get to. Wish I knew it at the time so I could have saved some money.
Hotshot
Joined: Jan 2004
Posts: 19,763
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From: St Louis
No, it is NOT possible for a key to stop the engine once it's running.
Try the PCM Relay FIRST, it's the most common failure.
Try the PCM Relay FIRST, it's the most common failure.
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Update
Thanks for the inputs, sorry its been awhile since I replied, I did switch the PCM Relay but that relay still worked in the other spot(I don't remember what I took it from) but its now seem to fix itself some what its funny because it works perfectly fine with the wife she has yet have it not start for her but a couple of time I will go out in the morning try to start it and it wont start but if I try it again right away its starts right up unlike before where it might take like 20 min to start even if it would. so right now at this point we are just going with it but if it becomes a bigger problem I will replace the Craftshaft Positioning switch.
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From: Central Tx.
Never said it was ?? The OP is "WON'T START" & it is possible for the chip in the key to create a "NO START" condition.
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Joined: Apr 2009
Posts: 194
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From: South Carolina
One Last Thought
Glad it seems to be working again.....but my guess is it will reoccur. Besides the random no start caused by the crankshaft position sensor some time ago I had a similar problem caused by an unplugged PCV valve. A major vacuum leak such as an unplugged PCV valve is easy to check and cheap to fix.
Good luck!
Good luck!
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