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5.0L (1979-1995) Mustang Technical discussions on 5.0 Liter Mustangs within. This does not include the 5.0 from the 2011 Mustang GT. That information is in the 2005-1011 section.

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Old 03-14-2006, 09:08 PM   #1
philly3384
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Default Signs of bad distributor?

When ur distributor is going bad what are the signs.
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1995 cobra
e cam
edelbrock performer heads
kenny brown level 5 suspension
k&N cold air intake
75mm mass air
1 5/8 headers
o/r h pipe
flowmaster 40's
3:55's
a9l computer
smog delete
255lph pump
adj fuel pressure regulator
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Old 03-14-2006, 09:45 PM   #2
ZachW04Stang
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Default RE: Signs of bad distributor?

No spark? Whats your problem. What makes you think its the ignition causing your problem.
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Old 03-14-2006, 09:58 PM   #3
philly3384
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Default RE: Signs of bad distributor?

Car will run good for a little while then start to run like half of its power and the fuel pressure is fine.
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1995 cobra
e cam
edelbrock performer heads
kenny brown level 5 suspension
k&N cold air intake
75mm mass air
1 5/8 headers
o/r h pipe
flowmaster 40's
3:55's
a9l computer
smog delete
255lph pump
adj fuel pressure regulator
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Old 03-14-2006, 10:09 PM   #4
Joel5.0
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Default RE: Signs of bad distributor?

What symptoms?...missing cylinders?....no starts?...hard starts?...backfiring?....
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1986 GT-X303-289 heads-1.72 rockers-RG 4+1 Trans.
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Old 03-14-2006, 10:48 PM   #5
philly3384
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Default RE: Signs of bad distributor?

The car will start fine and it doesnt backfire at all. It just runs for awhile and then starts to be very sluggish like i have no power.
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1995 cobra
e cam
edelbrock performer heads
kenny brown level 5 suspension
k&N cold air intake
75mm mass air
1 5/8 headers
o/r h pipe
flowmaster 40's
3:55's
a9l computer
smog delete
255lph pump
adj fuel pressure regulator
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Old 03-14-2006, 11:02 PM   #6
ikeybmg
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Default RE: Signs of bad distributor?

i started hearing a weird grinding type noise in my motor once, bout a week later, my distributer broke.
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Old 03-14-2006, 11:13 PM   #7
Joel5.0
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Default RE: Signs of bad distributor?

Check the inside of the dizzy (as Ikeybmg suggests), a bad stator sensor/pickup coil or shaft bushing/bearing can also cause that problem....any funny indications on the tach (jumping needle, etc)?....what about the exhaust?...OEM, aftermarket, still have cat cons installed?
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LUK=Let Us Know, GL=Good Luck, LMK=Let Me Know, JIC=Just In Case, BTSTDTRT=Been There Seen That Done That Repaired That, YCYDYP=Your Car Your Dough Your Prerogative and the classic... DILLIGAS=Do I Look Like I Give A S***

1986 GT-X303-289 heads-1.72 rockers-RG 4+1 Trans.
Quote:
Originally Posted by Joel5.0
Great thoughts will overwhelm a feeble mind.
There is never money to do it right, but there's always money to do it over.
The proof of understanding is the ability to explain it. (H. Torruella)
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Old 03-15-2006, 12:03 AM   #8
philly3384
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Default RE: Signs of bad distributor?

my idle usually never stay still like varies from 900 to 1100 and thats all the needle jumping that i know of. The exhaust is o/r h and flowmaster 40's. Is there any way to see if the bad stator sensor/pickup coil or shaft bushing/bearing are bad?
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1995 cobra
e cam
edelbrock performer heads
kenny brown level 5 suspension
k&N cold air intake
75mm mass air
1 5/8 headers
o/r h pipe
flowmaster 40's
3:55's
a9l computer
smog delete
255lph pump
adj fuel pressure regulator
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Old 03-15-2006, 07:43 PM   #9
Joel5.0
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Default RE: Signs of bad distributor?

Suggest you start by doing a DIY KOEO/KOER self-test first...if you don't have a miss, hard-start, no-start symptom, the problem might be elsewhere (TPS, MAF, ECT, ACT, wiring, O2's......). The codes scan will help in starting the process to id what might be causing it. Since you mentioned the idle problem also, check this DIY " 5 maintenance steps" to help in correcting it (includes the MAF cleaning procedure).

To check the dizzy for excessive shaft play, you would have to remove it....one sign of a possible problem with the bushing/bearing, is the presence of rust-like debris under the vanes rotor and the stator sensor.

Let us know if you run the codes tests, and which ones show up. GL
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ACRONYMS:
LUK=Let Us Know, GL=Good Luck, LMK=Let Me Know, JIC=Just In Case, BTSTDTRT=Been There Seen That Done That Repaired That, YCYDYP=Your Car Your Dough Your Prerogative and the classic... DILLIGAS=Do I Look Like I Give A S***

1986 GT-X303-289 heads-1.72 rockers-RG 4+1 Trans.
Quote:
Originally Posted by Joel5.0
Great thoughts will overwhelm a feeble mind.
There is never money to do it right, but there's always money to do it over.
The proof of understanding is the ability to explain it. (H. Torruella)
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Old 06-06-2013, 12:26 PM   #10
Lee Kelsoe
 
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Vehicle: 1995 GT 5-speed
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Originally Posted by philly3384 View Post
The car will start fine and it doesnt backfire at all. It just runs for awhile and then starts to be very sluggish like i have no power.
I know I'm resurrecting the dead here... but I have tried to find a definitive answer for this exact problem to no avail... what ended up being the problem philly?
I have thrown almost every part at this problem and can't figure it out...
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Old 06-06-2013, 12:26 PM
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