Having problems with your Ford Tempo ?

No power to injector curcit, checked system with nod light no power to light

Posted / edited by AnonymousUser on : 16-09-2019

Answers :

You could still have powert at the plug. A noid light only tests a completed circuit.
\012Check for power with a volt meter or test light. There should be power with the key on. If there is power. then you have to look at the crank sensor, cam sensor, and ecm. Crank sensors are mostly for the spark. Cam sensors are mostly for the injectors. But they both work together to send a signal to the ecm, which controls the injectors ground. If you have 12 volts at the injector plug, then I would start with the cam sensor. Also have the ecm checked for codes. this will tell you alot.
\012Randy
Repair Help & Product Troubleshooting for Ford Tempo

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