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05-23-2018, 08:44 AM
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#1 |
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Member
Join Date: Jul 2009
Location: Bulington, Ky
Posts: 359
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Re: Car will not start.
Kevin. We have checked that 3 times. No luck
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05-23-2018, 11:45 AM
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#2 |
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VIP Member
Join Date: Feb 2014
Location: Lakewood Washington
Posts: 1,407
Likes: 29
Liked 237 Times in 126 Posts
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Re: Car will not start.
Are you running any kind of start retard or "starter saver" box on this car? I had two different MSD retard modules - the cheaper ones - kill the ignition on my series 8 box.
Get a multimeter if you don't have one and trace power back from the contacts on your ignition box. No rpm displayed on the tac indicates issues with the component that sends that signal. Did you change out your ignition box? Good luck. I could have written this thread this Spring. Multiple ignition failures after big changes under the hood.
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Dale Shearon 68 Mustang 6394 |
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05-23-2018, 01:53 PM
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#3 |
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Member
Join Date: Jul 2009
Location: Bulington, Ky
Posts: 359
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Re: Car will not start.
We are still plugging away and now we are running wires down.
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05-23-2018, 01:56 PM
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#4 |
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Member
Join Date: Jul 2009
Location: Bulington, Ky
Posts: 359
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Re: Car will not start.
Dale. Yes on MSD
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05-23-2018, 05:30 PM
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#5 | |
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VIP Member
Join Date: Feb 2014
Location: Lakewood Washington
Posts: 1,407
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Re: Car will not start.
Quote:
If you have a wire from the points contact on the MSD ignition box to any retard module, disconnect it and watch for a spark indication on the main box. I still will have intermittent start failures. When I disconnect the grey wire - even if my MSD 8 is connected directly to the distributor with the starter saver technically out of the loop - the car will fire. It's like the box gets confused if has wires connected to both it's points and magnetic outputs.
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Dale Shearon 68 Mustang 6394 |
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05-23-2018, 06:19 PM
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#6 |
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Senior Member
Join Date: Jan 2008
Location: Texas
Posts: 706
Likes: 77
Liked 100 Times in 51 Posts
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Re: Car will not start.
Now that I know it's an electronic fuel injection unit...........way too many things can be wrong. I would try to erase the programming and reprogram it from what was in it when it ran last. Don't assume the program is OK. I had an MSD ignition that developed a miss and the reprogramming fixed it. These things are just computers... Reboot and start over.
Dan
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Dan Foley SC 4698 |
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05-23-2018, 01:58 PM
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#7 |
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Member
Join Date: Jul 2009
Location: Bulington, Ky
Posts: 359
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Liked 6 Times in 5 Posts
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Re: Car will not start.
Joe. We tried another big stuff box with no luck.
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05-23-2018, 02:20 PM
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#8 |
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Senior Member
Join Date: Oct 2003
Location: Lower Slower Delaware
Posts: 535
Likes: 22
Liked 269 Times in 99 Posts
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Re: Car will not start.
Check fuses in your EFI harness.
A friend had an issue with the car just shutting off no restart with Big Stuff, their issue was related to O2 sensor wiring shorting out to ground apparently also fed power to other functions don't remember if it was ignition or injectors.
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Frank Ferrucci I/SA 1271 "Be Thankful for the Gifts You are Given" |
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05-23-2018, 02:32 PM
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#9 |
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Member
Join Date: Jul 2009
Location: Bulington, Ky
Posts: 359
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Re: Car will not start.
Thanks Frank
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05-23-2018, 04:01 PM
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#10 |
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Senior Member
Join Date: Oct 2003
Posts: 568
Likes: 4,201
Liked 776 Times in 199 Posts
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Re: Car will not start.
One my cars wouldn't restart in the water box and we found the map sensor went bad. It was ACCEL EFI, but they all use map sensors regardless of make. Just a thought.
Bret Velde 2003 SS/LA |
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