I'm putting together an 89 sc that has been apart for 4 years or so. Have it to the point where i'd like to run it but it won't go. If you pour fuel into the manifold it will start and run until it burns up that fuel so that tells me its getting spark. I installed a new fuel filter. Checked my fuel pressure at the rail and its at 40 psi with just the key turned on and also while the engine is cranking. Connected test lights to a few of the injectors and they seem to be pulsing fine. Not sure what the problem is. Pulled the codes and I got 2. They are "maf sensor circuit out-of-range(low)" and "clutch switch circuit failed" Not sure if these would be a problem for it to not run. If anybody has any suggestions or advice I would be glad to hear them as I can't figure it out.
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