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I have a Mitsubishi 3000 GT (Base model). I just installed a new motor in it.

I have a Mitsubishi 3000 GT (Base model). I just installed a new motor in it. When I crank it up first thing in the morning time, I have to let it get to normal running temp., or otherwise it will hesitate if I just crank it up and go. Could this be an ignition control module or maybe a MAP
sensor?

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An out-of-range ECT (engine coolant temperature) sensor is more likely. This sensor overrides all other computer fuel-enrichment controls on a cold engine. A cold engine needs a longer injector pulse and adequate fuel pressure to overcome the mechanical resistance in a cold engine.

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Jim O’Neill – Chino Autotech Inc., Auto Club SoCal AAR
SAE Int’l SoCal Section Board of Governors,
Vice Chair, Service Technology Programs
NASTF Service Information/Communications Committees
Auto Value/Bumper-To-Bumper CSC Nat’l Council
ASE CMAT-L1, CA. Smog Check Technician
AMI AAM Accredited Automotive Manager

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