my car wont accelerate it starts to shake

[02gtmustang]

02 GT every time I accelerate wont pick up it starts to shake I already change the spark plugs and coils I'm thinking its the fuel filter or gas regulator

[nickysixx]

Originally Posted by 02gtmustang

02 GT every time I accelerate wont pick up it starts to shake I already change the spark plugs and coils I'm thinking its the fuel filter or gas regulator

Wires?

[93slowstang]

Originally Posted by nickysixx

Wires?

+1, sounds like they are grounding out.

[PonyBoyV6]

Had the same problem with my car, wouldn't accelerate passed 40. Turned out a couple wires shorted out. Changed them out and the car ran great.

[02gtmustang]

Mine keeps accelerating but it shakes..when ever I its on park if u go to the mufflers it sounds like its misfirein

[93slowstang]

Sounds like the wires may be grounding out if it's missing, or you don't have a good connection.

[nickysixx]

Originally Posted by 93slowstang

Sounds like the wires may be grounding out if it's missing, or you don't have a good connection.

Yep. Went through a whole tune up with my mustangs. Wires are a major problem once they short.

[93slowstang]

Oh real easy way to check for grounding wires is to go to a dark spot at night and crank the car. Look under the hood and if it looks like "Christmas lights" then your wires are bad. You may have to rev the motor to be able to see them arching out if they are bad.

[nickysixx]

Originally Posted by 93slowstang

Oh real easy way to check for grounding wires is to go to a dark spot at night and crank the car. Look under the hood and if it looks like "Christmas lights" then your wires are bad. You may have to rev the motor to be able to see them arching out if they are bad.

+1

[onesickstang01]

If the car is an 02 gt then there are no wires. They are coil on plug

---------- Post added at 01:41 PM ---------- Previous post was at 01:37 PM ----------

Check the fuel pressure. Ive seen many times a fuel pump do this. Make sure you are getting correct voltage to the pump as well. Ive seen where the relay goes in and out and wont create efficient fuel pressure. Our cars have the relay in the ccrm which is a common failure as well as the fuel pump driver module which isnt as common to fail. You always want to chamge the fuel filter every so often. If not it can cause premature pump failure

[t0t4lbl4ck0ut]

Check your o2 sensors. Mine was doing similar stuff and I had a bad o2 sensor

[02gtmustang]

Thanks for the answers!! And another thing it just started liking antifreeze but don't know were is coming from from the back of the engine were the engine and transmission connect I'm think its one of the seals ya think its ganna be expensive or I can just put an radiator sealant

[93slowstang]

If it's coming from the firewall it's your heater core.

[02gtmustang]

Oh ok thanks ima check on that

[onesickstang01]

If its leaking coolant thrn its probably dripping down into the coils and makin it misfire.

[02gtmustang]

But its leaking thru the bottom right in the middle of the car were the engine and trans connect none of the lines are leaki

[onesickstang01]

That usually happens when it drips down under the intake and sits in the valley. You need to find where the leak is. White crusty residue will point it out. Pull the coils out and see if there is coolant or the crusty stuff.

[02gtmustang]

Oh ok appreciate that ima look into that