1990 Miata Wiring Diagrams

Hello, I have repaired more than 30000 vehicles in my career and I dependence to ask you questions back I am not there in person to accrue facts, data, or to exam your vehicle. I may ask you to exploit chemical analysis in my stead. If examination is needed and you would rather not work testing, I can find the money for my best advice, Fuel pressure?

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I did re-check them tho. The master tech did extensive tests on the freshen flow meter and said it was good. once I unplug it and manage the motor, the car runs uncompromising and at 850ish. I can deserted guess that my new rebuilt ecu has an issue, or the tps needs to be re-adjusted, or someway my maf has died in the midst of every this. I don't think the tps has that much control in the vary of rpm though? I think it single-handedly adjusts it a propos 1k..

This could be a large vacuum leak ,with the MAF united it is on your own measuring the air that is getting following the MAF, as a result if the intake manifold is sucking in freshen the let breathe to fuel ratio will be certainly out and cause the engine to stall. If MAF is disconnected the engine goes into a limp measurement and lets the engine run. gone carb cleaner vaporizer spray in the place of the hissing subsequent to the engine executive and in the manner of you listen the engine stall or rev innovative there is the leak ,could be a bad vacuum hose bad gasket upon the manifold.

Image Schematics for 1990 miata wiring diagrams

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