why 3 tries to start?
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Senior User
Joined: Sep 2010
Posts: 385
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From: Oregon
why 3 tries to start?
Thanks for all the suggestions on my massive miss post but since I'm tempted to 'borrow' MAP sensor from running truck..
wondering why the potential DONOR 91 f150 4wd straight 6 NEEDS 3 quick hits on the starter to actually start. The truck I hate to steal parts from.
BTW I simply unplugged the MAP sensor on the offending ford and it still, wait, started and ran PERfectly. Hi idle wich calmed down when I replugged in the MAP wires.
May or not mean anything but f it runs with the MAP unplugged, I don't have to walk home>
(I'm a cane, crutch kinda old geezer and walking is the last thing I want to do.)
You can crank it till the battery goes dead...but hit the starter 2x for a second or 2 each and it WILL start and run on the 3rd hit, 10 seconds total crank time.
Used to start immediately and idle like a sewing machine. This 3x start is new.
Pls feel free to make jokes,
thanks and keep smiling
wondering why the potential DONOR 91 f150 4wd straight 6 NEEDS 3 quick hits on the starter to actually start. The truck I hate to steal parts from.
BTW I simply unplugged the MAP sensor on the offending ford and it still, wait, started and ran PERfectly. Hi idle wich calmed down when I replugged in the MAP wires.
May or not mean anything but f it runs with the MAP unplugged, I don't have to walk home>
(I'm a cane, crutch kinda old geezer and walking is the last thing I want to do.)
You can crank it till the battery goes dead...but hit the starter 2x for a second or 2 each and it WILL start and run on the 3rd hit, 10 seconds total crank time.
Used to start immediately and idle like a sewing machine. This 3x start is new.
Pls feel free to make jokes,
thanks and keep smiling
Post Fiend
Joined: Nov 2005
Posts: 7,437
Likes: 4
From: Charles Town, W bygod Va
A bad ignition module can have no spark in crank mode and have spark in run. Check for spark while cranking and see if you get a couple sparks as you release the key to the run position.
Thread Starter
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Senior User
Joined: Sep 2010
Posts: 385
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From: Oregon
I have a couple trucks that WILL start if you let OFF the key when they crank but this isw a little different.
Will check what you mentioned for sure.
Thanks again
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