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.

Car is hesitating and making popping noises

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Old 03-17-2008, 12:52 AM
  #21  
Alero99
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Default RE: Car is hesitating and making popping noises

who knows, i have a Holley Fuel Pump laying around from a car i used to have so im gonna throw it in there, if it still doesn't work ill do the Coil

i also have a Kirban FPR sitting right next to my lap top lol
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Old 03-17-2008, 12:54 AM
  #22  
89 5.0 Mustang
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Default RE: Car is hesitating and making popping noises

do the coil fisrt it is alot cheaper unless u wnat a new one but also take out that wire and look inside cause mine was all corroded so if thats the case u might just want all new wires , but that problem sucks it is embarrasing goin down the road and havin ur car do tht lol
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Old 03-17-2008, 01:09 AM
  #23  
Alero99
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Default RE: Car is hesitating and making popping noises

indeed its embarassing

especially when im pulling off from the light and first gear just wants to die on me and im buckinglike a real pony
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Old 03-17-2008, 01:13 AM
  #24  
89 5.0 Mustang
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Default RE: Car is hesitating and making popping noises

o man i have been there mine got to the point were it did die and then reandomly turn back on but the worst is when everyone looks at u, but yea that should be it thats wat it sounds like

this is what i posted when mine was doin it
https://mustangforums.com/m_3762774/tm.htm
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Old 03-17-2008, 12:51 PM
  #25  
Alero99
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Default RE: Car is hesitating and making popping noises

okay here is my Fuel Pump i had laying around...

now correct me if im wrong but the metal peice its in, is already in my tank... so i just have to take out the pump it self and installed it in the piece that my old pump is in right?





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Old 03-17-2008, 06:00 PM
  #26  
sultan68
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Default RE: Car is hesitating and making popping noises

ORIGINAL: ckyguy68

FUEL PUMP! Any bucking or popping would indicate a lean condition. Trust me, the fuel pumps love to go bad on these fox bodies. Grab a walbro pump and i bet that fixes your problem.
+1 I've had to put a fuel pump in both my mustangs

cant help you with your last question though..sry
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Old 03-17-2008, 07:21 PM
  #27  
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Default RE: Car is hesitating and making popping noises


ORIGINAL: Alero99
Okay I did teh timing yesterday, i lowered it to rougly 12-13* timing...
Two other items..
1) I know this may sound compleely offbase. Did you check the firing order ? 5.0s have a different order than any other engine. Once, when I read the manual too fast I set it up wrong. Got popping noises, etc.. For the 89 5.0 I have .... 1-3-7-2-5-6-4-8

2) Bad Gas... If it is over 3 months old..

Just some random thoughts....

G
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Old 03-17-2008, 07:55 PM
  #28  
Alero99
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Default RE: Car is hesitating and making popping noises

Firing order is fine.

when i changed my fuel filter, let just say it was FILTHY like black


so this saturday hopefully... i will get the fuel pump in
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Old 03-17-2008, 08:00 PM
  #29  
88convertman
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Default RE: Car is hesitating and making popping noises

If the plugs are dry and white does that mean the pump is going ir is my timing off
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Old 03-17-2008, 08:40 PM
  #30  
aode08
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Default RE: Car is hesitating and making popping noises

ORIGINAL: Alero99

Firing order is fine.

when i changed my fuel filter, let just say it was FILTHY like black


so this saturday hopefully... i will get the fuel pump in
take the tank, and empty that mess somewhere safe.
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