4.6L (1996-2004 Modular) Mustang Technical discussions on 1996-2004 4.6 Liter Modular Motors (2V and 4V) within.

shakey starts!?!??!

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Old Jul 15, 2004 | 02:55 AM
  #1  
ryanb311's Avatar
ryanb311
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Default shakey starts!?!??!

I know this is a V6 Question, but I figured the there would be a more knowledgeable group over her.... anyways my 2000 five speed v6 starts like S#*% half the time. It seems almost lazy to fire up. It cranks up but will stay there and it feels like the rear end shakes when it happens. It usually does it more often when its lower on gas... after its been started a few time 20-30 mins in between.. I've had my fuel injection and filter done, theres a new battery.
Old Jul 15, 2004 | 10:56 AM
  #2  
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Default RE: shakey starts!?!??!

it might be your starter... just a thought
Old Jul 15, 2004 | 02:22 PM
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Default RE: shakey starts!?!??!

What do you mean by stays there? Does it feel like the starter isn't disengaging quick enough?
Old Jul 15, 2004 | 04:12 PM
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Default RE: shakey starts!?!??!

Rear end shakes?? When you start the engine or when you start to move?
Is the starter disengaging when you let go of the ignition? Or is it making a grinding noise?
Maybe your not getting good fire... check spark plugs.
Old Jul 16, 2004 | 03:40 AM
  #5  
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ryanb311
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Default RE: shakey starts!?!??!

it will stay in a starting phase before the engine actaully "vrooms". When it does start real bad, the entire car will shake. Can hear the exhaust rattle....it does it only sometimes, so i thought starter and plugs was a no, but then again.... im not sure thanks for the insight tho... anymore help would be appreciated
Old Jul 16, 2004 | 04:46 AM
  #6  
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Default RE: shakey starts!?!??!

Replace the plugs, cheap to do anyways.

If that doesn't work, look further into the ignition system.

How about turning the ignition to the on position, but not starting it? Give your fuel pump a moment to prime and see if it happens anymore. If that doesn't help & you can't find anything wrong with the ignition....might want to keep your fuel pump in mind.
Old Jul 16, 2004 | 12:05 PM
  #7  
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ryanb311
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Default RE: shakey starts!?!??!

i'll try thanks for the input
Old Jul 16, 2004 | 03:01 PM
  #8  
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Default RE: shakey starts!?!??!

ORIGINAL: Dan02GT

Replace the plugs, cheap to do anyways.

If that doesn't work, look further into the ignition system.

How about turning the ignition to the on position, but not starting it? Give your fuel pump a moment to prime and see if it happens anymore. If that doesn't help & you can't find anything wrong with the ignition....might want to keep your fuel pump in mind.
Yeah i would say that to Dan...Plugs and the fuel filter.....How many miles does this car have?
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