1997 f250 4x4 460 ci. will not start sometimes and dies when moving after a while driving

Asked by Dec 12, 2014 at 05:32 PM about the 1997 Ford F-250

Question type: Maintenance & Repair

I have replaced dist. ingition. module,computer and coil and when it wont start I unplug the spout conector it starts

2 Answers

116,285

That is usually an indicator of an ECM starting to fail, but check the ECM power and grounds pathways and replace the ECM relay, Fords do have problems as they get older with loss of ground and relays getting weak. But all of the Fords that I have came into my shop that did what yours is doing wound up getting a new ECM. Hope this helps.

2 people found this helpful.
150

Be sure you got the right TFI module. Color coded. ECM;s dont start to fail.....they fail or they do not.

1 people found this helpful.

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