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Re: I988 F150 Runs bad under load after tuneup
Posted to Technical Discussion Forum on 12/20/2018

As I understand it, you have a 1988 Ford F150 originally equipped with a 5.8L that is now equipped with a 5.0L engine. Which engine are you purchasing parts for, the 5.0L or the 5.8L? Has the ECM and wiring harness been changed along with the engine, in other ... Login to read more.