How JustAnswer Works:
  • Ask an Expert
    Experts are full of valuable knowledge and are ready to help with any question. Credentials confirmed by a Fortune 500 verification firm.
  • Get a Professional Answer
    Via email, text message, or notification as you wait on our site.
    Ask follow up questions if you need to.
  • 100% Satisfaction Guarantee
    Rate the answer you receive.
Ask Tim Mohr Your Own Question
Tim Mohr
Tim Mohr, ASE MASTER TECH
Category: Ford
Satisfied Customers: 15121
Experience:  30 YRS EXPERIENCE, FOREIGN AND DOMESTIC, GAS AND DEISEL
17454363
Type Your Ford Question Here...
Tim Mohr is online now
A new question is answered every 9 seconds

Mustang: mike, i have a 93 3.8 mustang that stopped running.

Customer Question

hi mike,
i have a 93 3.8 mustang that stopped running. when i plug into the diagnostic port and hit read it comes back with no data link?
Submitted: 1 year ago.
Category: Ford
Expert:  Tim Mohr replied 1 year ago.
Hi, my name is ***** ***** you turn the key on, does the check engie light come on for 2 seconds for a bulb check?
Customer: replied 1 year ago.
yes the ck engine light comes on
Expert:  Tim Mohr replied 1 year ago.
ok, then the computer has power, and you most likely have a bad computer, have you checked all powers and grounds to the computer yet?
Customer: replied 1 year ago.
yes i checked the grounds and just rechecked the ck engine light and it does not come on when the key is turned on
Expert:  Tim Mohr replied 1 year ago.
Ok, if the grounds and powers are good to the computer, but the light does not come on, and the scanner does not communicate with the computer, then you have a bad computer, nothing else,Tim
Customer: replied 1 year ago.
where does the computor gets its power from. i just changed the computor
Customer: replied 1 year ago.
got it from a junk yard and saw the motor run before they removed it.
Expert:  Tim Mohr replied 1 year ago.
it has several powers, from different relays and fuses, have you checked all the powers?
Customer: replied 1 year ago.
checked all battery connections and fuses, gnds to motor and chasis. ck,d fuses under hood and under dash
Expert:  Tim Mohr replied 1 year ago.
You need to check all the powers and grounds at the computer, have yu done that yet? do you know which wores are suppose to have power and which are suppoe to have grounds?