1989 bronco ecu question
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1989 bronco ecu question
Gentlemen
I'm looking at purchasing an 89 Ford Bronco with the 5.0L 302. One concern I have is that I believe the engine has an ECU. In the past I've done a fair bit of work on my dads 66 F100 with a 352FE. It was always relatively simple. However, with the ecu installed in this engine, will I find myself unable to diagnose and fix issues without professional assistance due to the ECU module? How many parameters does that ECU control? This is new to me so I appreciate your input. I'm also a brand new member to ford enthusiasts. Thanks for your help!
I'm looking at purchasing an 89 Ford Bronco with the 5.0L 302. One concern I have is that I believe the engine has an ECU. In the past I've done a fair bit of work on my dads 66 F100 with a 352FE. It was always relatively simple. However, with the ecu installed in this engine, will I find myself unable to diagnose and fix issues without professional assistance due to the ECU module? How many parameters does that ECU control? This is new to me so I appreciate your input. I'm also a brand new member to ford enthusiasts. Thanks for your help!
Frmr Ford Trans Engr
Joined: Aug 1999
Posts: 24,723
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From: SE Florida
The ECU (PCM - Powertrain Control Module in Ford speak) controls a lot of parameters. It controls the fuel and spark, and in some cases (probably not back in '89) also control the transmission. If you own a paper clip you can read all of the code that the PCM can set, which makes diagnosing problems easier than it was on the older vehicles.
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