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Now what?



 
 
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  #1  
Old June 9th 06, 01:34 AM posted to rec.autos.makers.ford.mustang
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Default Now what?

My 66 Mustang quits running after about 5 or 10 minutes. If I am driving
down the road it restarts and works fine after that. If it happens at a
stop sign, I have to restart it. It starts immediately and works fine after
that. If I park it for a while and start it again the same thing happens.
New wiring harness and ignition switch 4 years ago. Mallory electronic
distributor and new Pertronix coil. Fuel flow and spark are good. 289 4V
with C4 automatic. What should I check next? I hate intermittent problems.
Have lost all faith in this car. Purchased in 1992 and has been great up to
now.


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  #2  
Old June 9th 06, 05:12 AM posted to rec.autos.makers.ford.mustang
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Default Now what?

Nevada Larry wrote:
> My 66 Mustang quits running after about 5 or 10 minutes. If I am driving
> down the road it restarts and works fine after that. If it happens at a
> stop sign, I have to restart it. It starts immediately and works fine after
> that. If I park it for a while and start it again the same thing happens.
> New wiring harness and ignition switch 4 years ago. Mallory electronic
> distributor and new Pertronix coil. Fuel flow and spark are good. 289 4V
> with C4 automatic. What should I check next? I hate intermittent problems.
> Have lost all faith in this car. Purchased in 1992 and has been great up to
> now.
>
>

Check the fuel cap. If the vent is clogged, fuel will stop flowing.

--
..boB
Arrived: 2006 FXDI, Red.
1997 HD FXDWG - Turbocharged Stolen 11/26/05 in Denver
1HD1GEL10VY3200010 CO License J5822Z
2001 Dodge Dakota QC 5.9/4x4/3.92
1966 Mustang Coupe - Daily Driver
1965 FFR Cobra - 427W EFI, Damn Fast.

  #3  
Old June 9th 06, 11:05 AM posted to rec.autos.makers.ford.mustang
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Default Now what?

ya good one..


".boB" > wrote in message
. com...
> Nevada Larry wrote:
>> My 66 Mustang quits running after about 5 or 10 minutes. If I am driving
>> down the road it restarts and works fine after that. If it happens at a
>> stop sign, I have to restart it. It starts immediately and works fine
>> after that. If I park it for a while and start it again the same thing
>> happens. New wiring harness and ignition switch 4 years ago. Mallory
>> electronic distributor and new Pertronix coil. Fuel flow and spark are
>> good. 289 4V with C4 automatic. What should I check next? I hate
>> intermittent problems. Have lost all faith in this car. Purchased in 1992
>> and has been great up to now.

> Check the fuel cap. If the vent is clogged, fuel will stop flowing.
>
> --
> .boB
> Arrived: 2006 FXDI, Red.
> 1997 HD FXDWG - Turbocharged Stolen 11/26/05 in Denver
> 1HD1GEL10VY3200010 CO License J5822Z
> 2001 Dodge Dakota QC 5.9/4x4/3.92
> 1966 Mustang Coupe - Daily Driver
> 1965 FFR Cobra - 427W EFI, Damn Fast.
>



  #4  
Old June 9th 06, 06:01 PM posted to rec.autos.makers.ford.mustang
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Posts: n/a
Default Now what?

How do you explain the fact that after the last time this happened, I went
on a 120 mile trip with no problem.
Car seems to run fine once it has warmed up.

".boB" > wrote in message
. com...
> Nevada Larry wrote:
>> My 66 Mustang quits running after about 5 or 10 minutes. If I am driving
>> down the road it restarts and works fine after that. If it happens at a
>> stop sign, I have to restart it. It starts immediately and works fine
>> after that. If I park it for a while and start it again the same thing
>> happens. New wiring harness and ignition switch 4 years ago. Mallory
>> electronic distributor and new Pertronix coil. Fuel flow and spark are
>> good. 289 4V with C4 automatic. What should I check next? I hate
>> intermittent problems. Have lost all faith in this car. Purchased in 1992
>> and has been great up to now.

> Check the fuel cap. If the vent is clogged, fuel will stop flowing.
>
> --
> .boB
> Arrived: 2006 FXDI, Red.
> 1997 HD FXDWG - Turbocharged Stolen 11/26/05 in Denver
> 1HD1GEL10VY3200010 CO License J5822Z
> 2001 Dodge Dakota QC 5.9/4x4/3.92
> 1966 Mustang Coupe - Daily Driver
> 1965 FFR Cobra - 427W EFI, Damn Fast.
>



  #5  
Old June 9th 06, 07:52 PM posted to rec.autos.makers.ford.mustang
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Posts: n/a
Default Now what?

Exact same thing happened on my 67 Fastback. After much consternation, it
turned out to be the ignition module inside my new Mallory distributor. When
I checked it in my driveway using the Mallory diagnostic check, it checked
fine, when it heated up after driving, it didn't. Change the module (not
cheap) and it should be fine.

-Scott

"Nevada Larry" > wrote in message
...
> My 66 Mustang quits running after about 5 or 10 minutes. If I am driving
> down the road it restarts and works fine after that. If it happens at a
> stop sign, I have to restart it. It starts immediately and works fine

after
> that. If I park it for a while and start it again the same thing happens.
> New wiring harness and ignition switch 4 years ago. Mallory electronic
> distributor and new Pertronix coil. Fuel flow and spark are good. 289 4V
> with C4 automatic. What should I check next? I hate intermittent

problems.
> Have lost all faith in this car. Purchased in 1992 and has been great up

to
> now.
>
>



  #6  
Old June 9th 06, 08:32 PM posted to rec.autos.makers.ford.mustang
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Default Now what?

On Fri, 09 Jun 2006 10:01:05 -0700, Nevada Larry wrote:

> How do you explain the fact that after the last time this happened, I went
> on a 120 mile trip with no problem.
> Car seems to run fine once it has warmed up.


I'm not familiar with that particular car so this is generic information.


If a carb engine, sounds like the choke might be sticking at one
particular point in it's travel.

I'm assuming this car doesn't have an EGR valve <smile>!

But that's another typical "stall once and go" fix.

When it fails does it sputter and die, or just *turn off* like someone
turned the key?

If it just turns off, I would suspect an electrical problem.
Ignition switch and wiring etc.

Sputtering and dying I would suspect fuel delivery.

If EFI, the hall effect pickups/coils in the distributor are high failure
rate items for most cars, but they generally fail when hot not while
heating up. An intermittent one will drive you crazy.

Still, worth a check.

Will it do it only while driving, or when sitting at idle in the driveway
as well?

Intermittent failures are the bane of my existence!!

I once had a car (EFI) that would intermittently lose power or turn off
when making sharp right hand turns, like exiting a highway. I went crazy
trying to fix it until I noticed that the coil (a cylindrical model) made
sloshing noises when I picked it up and shook it. Turned out that the
die-electric fluid had mostly leaked out and a sharp turn was enough for
it to give the ignition system fits.
Took me a couple of weeks to find it because it didn't always fail.

I would reseat all connectors, wiggle wires while car is running etc and
see if you can zero in on it.
Sounds like it's going to be a long haul, but you'll get it!

Post back if you have any more information


  #7  
Old June 9th 06, 09:08 PM posted to rec.autos.makers.ford.mustang
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Default Now what?

On Fri, 09 Jun 2006 18:52:56 +0000, Scott Sayer wrote:

> Exact same thing happened on my 67 Fastback. After much consternation, it
> turned out to be the ignition module inside my new Mallory distributor. When
> I checked it in my driveway using the Mallory diagnostic check, it checked
> fine, when it heated up after driving, it didn't. Change the module (not
> cheap) and it should be fine.
>
> -Scott


There ya go!
Sounds like the OP's might still be under warranty.
Doesn't hurt to give them a call and beg for mercy!
  #8  
Old June 10th 06, 03:08 AM posted to rec.autos.makers.ford.mustang
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Default Now what?

I had a 73 Ranchero GT that did the same thing two different times.
The first time was an intermittant ignition coil failure.
The second time I had some crap in my float bowls that would block the
ports.
Good luck!
You find the problem, the older cars are so much easier to troubleshoot,
that's why I went with a '72 mach 1.
Dave

"Nevada Larry" > wrote in message
...
> My 66 Mustang quits running after about 5 or 10 minutes. If I am driving
> down the road it restarts and works fine after that. If it happens at a
> stop sign, I have to restart it. It starts immediately and works fine
> after that. If I park it for a while and start it again the same thing
> happens. New wiring harness and ignition switch 4 years ago. Mallory
> electronic distributor and new Pertronix coil. Fuel flow and spark are
> good. 289 4V with C4 automatic. What should I check next? I hate
> intermittent problems. Have lost all faith in this car. Purchased in 1992
> and has been great up to now.
>



 




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