Ford Repair Questions? Ask a Mechanic for Answers ASAP
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The ECU on your 1988 is located under the right hand side kick panel on the right side of the truck in the cab. See the link below, copy and paste the link to your browser to open and view it. If you are sure you have spark as well as proper fuel pressure then the next things to check is check to see if you have injector pulse as well as proper compression.https://dl.dropboxusercontent.com/u/104923897/ECU%20Dec%2012.pdf