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1992 Ford F-150 Repair Question


Topics covered: Stalls.
Mileage: 120,000 miles.

Asked on November 27, 2012

Ford F-150 Stalls Problem

Code 998, no vref to tps, map, hego, or ect. No vref coming from pin 26 on harness. ECM failure? Or possible ground problem? Truck runs, but, very rich, stalls, etc. Checked/ cleaned chassis grounds, as well as ohmed pin 46 (ecm ground).
have continuity to ground. Anything else before I buy a new ecm?
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Answer

Replied on November 27, 2012

make sure the powers are there. if they are, yes you have a failed ecm

Roy

Tiny Answered by ASEMaster6371 (expert)
24,852 answers provided