94-97 Ford 7.3 L DIT Powerstroke: Reduced Power, No Start, No DTCs
Description
Reference Number(s): 03-21-3, Date of Issue: October 6, 2003
| FORD: | 1994-1997 F SUPER DUTY, F-250, F-350; 1997 ECONOLINE |
Superceded Bulletin(s): 95-6-13, Date of Issue: March 27, 1995
NOTE: Article 95-6-13 is being republished in its entirety as part of a consolidated 7.3L diagnostic aid booklet.
DESCRIPTION
Driveability – Reduced Power – No Start – 7.3L D.I. Turbo – IDM Module – No Diagnostic Trouble Codes
Details
ISSUE
A “no-start” or “reduced power” condition may occur intermittently on some vehicles. This may be caused by a short in the injector circuits or the IDM module.
ACTION
Follow the diagnostics listed in the Diagnostic Guide and refer to the following Service Procedure.
SERVICE PROCEDURE
- If, after completion of all the steps in the Power Stroke 7.3L (DI Turbo) Diesel Diagnostic Guide, you are unable to pinpoint the cause of the concern, proceed with the following steps.
- Disconnect the IDM Module connector and using a DVOM, measure the resistance between the injector circuits to ground. If it is less than 5 ohms resistance, repair the short in the circuit and retest.
- If the concern still exists, replace the IDM module.
PARTS INFORMATION
PARTS INFORMATION
| Part Number | Part Name |
| F7TZ-12B599-AC | IDM Module |
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