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  • 1996 - 2004 SN95 Mustang -General/Talk-
  • SN95 4.6L Mustang Tech

HEC diagnostics

  • Thread starter Thread starter Scambo1263
  • Start date Start date Sep 9, 2020
S

Scambo1263

New Member
Aug 20, 2020
4
0
1
Redding CA
Sep 9, 2020
#1
  • Sep 9, 2020
  • #1
I recently stumbled across a video describing how to access a diagnostic program built into my odometer. Some of the readouts are obvious , but most are a mystery to me. Is there a list of each menu and what it means? I’ve tried goggling it but have not found anything that talks in detail about it .. please help!!!! I have a 2001 3.8 V6 Thank you
 

wmburns

SN Certified Technician
Aug 14, 2009
5,892
514
204
Houston Texas
Sep 12, 2020
#2
  • Sep 12, 2020
  • #2
Here's something to get you started.

Diagnostic Mode

Diagnostic Mode

To check your engine temp you need to put your car in diagnostic mode. Put the key in the ignition, hold down the odometer reset button, turn the key to the accessory on position, and when the odometer digital readout say's "test", let go of the button. from there if you tap the reset button...
www.allfordmustangs.com

But here's some information about a much better trouble shooting tool.

ForScan ODB2 scanner w ELM327 USB

ForScan ODB2 scanner w ELM327 USB

While working on your car have you ever wanted: to find an ODB2 operational PID value (say fuel pressure or MAF)? How about graph a PID value over time? Or compare multiple PID's over time? Access a bi-directional PCM control such as test a...
www.stangnet.com
 
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