99 GT won't fire. Need HELP!

V

VIRstang

Member

Jan 3, 2007

67

0

7

Cary, North Carolina

Aug 7, 2007

#1

• Aug 7, 2007

• #1

My 99 GT 4.6 track car won't crank. We were putting new adjustable struts on all four corners this weekend. We put the rears on and drove it around the neighborhood. It handled so much better. Then we put on the front struts. When we went to test drive the car, it wouldn't crank. We did leave the ignition switch on, for about an hour, so we could turn the front wheels to reach each of the strut bolts. I know that was probably a mistake. Since then, I have un-hooked the battery to reset the computer and also verified that I have a good charge. Still no luck. It just turns over really fast and doesn't even try to crank. I'm stuck. Any suggestions?
Thanks!
Ben

 

V

VIRstang

Member

Jan 3, 2007

67

0

7

Cary, North Carolina

Aug 7, 2007

#2

• Aug 7, 2007

• #2

FYI,
My battery is new and the voltage reads out at over 12 volts, so it doesn't seem to be a battery issue. I looked at the fuses, but I'm over 40 and I can't see as well as I used to up close. Plus with the full cage and Sparco seats, I just don't fit in the floorboard. There wasn't any obvious blown fuse. Should I take them all out and check them? Or does someone know the specific fuses I should check. Thanks in advance for any advice!
Ben

 

D

Dragstr05

New Member

Dec 21, 2004

643

1

0

Stafford VA

Aug 7, 2007

#3

• Aug 7, 2007

• #3

If it cranks, then you dont have fuel or spark, one of the two. Once you verify which one that is, then you will start to have a better idea of how to narrow down your problem.

You stated it cranks fast, so I'm assuming cranking speed is normal? And just FYI, I have seen a battery with 12v not start a car. Mine personally did it; no ams = no crank. But this isnt an issue.

 

V

VIRstang

Member

Jan 3, 2007

67

0

7

Cary, North Carolina

Aug 8, 2007

#4

• Aug 8, 2007

• #4

I think I'm getting fuel. You can smell a faint smell of gas after it turns over for a little while. I think it's just not getting fire. Could leaving the switch on burnt something out? If so what? I first thought about the coil. But, I would be surprised if it burnt out all the coil packs simultaneously.

 

C

chuck943

New Member

Oct 26, 2002

262

0

0

north carolina

Aug 8, 2007

#5

• Aug 8, 2007

• #5

You have 2 possibles here. 1) it may be flooded,try holding accel to floor and crank it. 2) see if CEL comes on while you are cranking it, if so then PCM is not seeing the crankshaft postion sensor.

 

G

GSP

New Member

Apr 8, 2004

55

0

0

Huntsville, Alabama

Aug 8, 2007

#6

• Aug 8, 2007

• #6

Check fuel pressure at the schrader valve,, 40psi, pull a COP, put in a spare plug, ground it, crank, see if it fires

 

M

markowens25

New Member

Jul 8, 2006

2

0

0

panama city

Aug 8, 2007

#7

• Aug 8, 2007

• #7

help

don't ground out the cop i heard it will shot out the cop min could get the whole computer get a test light with the red and green leds inside and hook from the positive side of the battery to the negative side of the coil then turn over the light should flash green to indicate fire

 

M

markowens25

New Member

Jul 8, 2006

2

0

0

panama city

Aug 8, 2007

#8

• Aug 8, 2007

• #8

sorry

didn't see the spare plug part of previouse thread thats is safer but i would still be careful got to remeber static off your hands can kill comps also check your chassie grounds

 

G

GSP

New Member

Apr 8, 2004

55

0

0

Huntsville, Alabama

Aug 8, 2007

#9

• Aug 8, 2007

• #9

markowens25 said:

don't ground out the cop i heard it will shot out the cop min could get the whole computer get a test light with the red and green leds inside and hook from the positive side of the battery to the negative side of the coil then turn over the light should flash green to indicate fire

Click to expand...

You do not ground the COP,,, you ground the plug so it can fire,,, wake up man

markowens25 said:

didn't see the spare plug part of previouse thread thats is safer but i would still be careful got to remeber static off your hands can kill comps also check your chassie grounds

Click to expand...

OK

 

L

Logan2003Cobra

New Member

Jun 7, 2004

21

0

2

Las Vegas, NV

Aug 8, 2007

#10

• Aug 8, 2007

• #10

I'm not sure if the 99 GT's came with it or not... but on my wife's 02 there is a crash sensor which will disable the fuel pump in the event of a collision. I tripped it once by putting my jack in the trunk and had to push the reset button (inside the trunk, behind the carpet, near the driver side brake lights) so the car would start.

 

deftsound

Please ask me how much my supercharger cost

Apr 6, 2004

945

1

39

Texas City TX

Aug 8, 2007

#11

• Aug 8, 2007

• #11

chuck943 said:

You have 2 possibles here. 1) it may be flooded,try holding accel to floor and crank it. 2) see if CEL comes on while you are cranking it, if so then PCM is not seeing the crankshaft postion sensor.

Click to expand...

+1, hold the gas pedal to the floor and try to start it, that way the computer will compensate by leaning it out