2003 Ford Mustang speedometer

Tiny
HAMILTON209
  • MEMBER
  • 2003 FORD MUSTANG
  • 6 CYL
  • 2WD
  • AUTOMATIC
  • 75,090 MILES
Dear Bob and Ken, My Speedometer on my Ford Mustang is erratic, it jumps from 10 to 60 mph. Sometimes when I make a left hand turn, it doesnt want to shift up when the car is'nt warmed up enough. Also from time to time when coming to a stop it stalls out or if not it feels like it wants to. I'v replaced the transmission speed sensor and 2 wheel speed sensor, but to no avail. The ABS light comes on and the Overdrive lights blinks sometimes. At first I thought it was the crossdrilled rotors I put on soon after I bought the car or the K&N air filter. What could it be?
Monday, May 19th, 2008 AT 1:53 AM

4 Replies

Tiny
MASTERTECHTIM
  • MECHANIC
  • 4,750 POSTS
Does the check engine light come on with a speed sensor code? Autozone will scan the computer for free. Get back to us.
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Monday, May 19th, 2008 AT 10:16 AM
Tiny
HAMILTON209
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  • 3 POSTS
Yes, check engine light does come on, but thats only because I'v taken out the fuse for the ABS which has kept the stalling out to a minimum. I don't know if that was a smart thing to do but now instead of having the car die out everyday it only die once every two weeks. If
I put the fuse back the check engine light will go away, but the ABS light and O/D (over drive) light will remain.
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Monday, May 19th, 2008 AT 11:59 AM
Tiny
HAMILTON209
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Yes, check engine light does come on, but thats only because I'v taken out the fuse for the ABS which has kept the stalling out to a minimum. I don't know if that was a smart thing to do but now instead of having the car die out everyday it only die once every two weeks. If
I put the fuse back the check engine light will go away, but the ABS light and O/D (over drive) light will remain.[/Quote:511123b4d0]

I just went to Autozone an hour ago and the scanner gave me 7 codes.

P0443, P1451, P0141, P0135, P0409, P0155, P0161

I think I might need an O2 sensor, but not sure.
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Monday, May 19th, 2008 AT 1:21 PM
Tiny
MASTERTECHTIM
  • MECHANIC
  • 4,750 POSTS
Alot of those codes have nothing in common. Id start with the o2 sensor and have the codes cleared then see what comes back on then we can go from there. Unfortunately there is no magic cure for this one. You have multiple problems. Get back to us.
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Monday, May 19th, 2008 AT 3:37 PM

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