Where is the Electronic Control Module located in a 93 GMC motor?

hoodsup
Asked Jan 18, 2010
Edited Jan 18, 2010
Probably in the Distributor, but if you don't know the answer to this question you shouldn't be working on it alone, especially if you don't know what is actually wrong.

There are several things that could be wrong and only two of them are in your distributor, unless the distributor drive shaft is broken, then it could be three things in your dist that could cause this.

You still have the crank sensor, the cam sensor and the coil in the dist cap, plus you could have a problem with the computor or it could be something a lot simpler.

So, before you attempt to fix it yourself, how much money do you have to buy new electronic parts, parts that can't be returned after they've been installed???

The ECM is only one of three common problems with this year truck, yes all GMC's were built on a pickup chassis, and there are at least 5 more that were uncommon, so where do you go if it isn't the ECM?

Best advice I have for you is to get it to a competent shop or mechanic.

If I was still a Mobile Mechanic, in your town, I'd come to you and find it and probably fix it for $125 to $175, parts included.
youredge
Answered Jan 29, 2010
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DavidWilliams
Answered Apr 23, 2018

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