Mercedes Repair Questions? Ask a Mechanic for Answers ASAP
Hi, I don't recall there being a fusible link on that car. Have you tried pouring a little fuel down the intake throttle body and seeing if the motor will fire for a few seconds?
I can get the motor to initially fire with the cold start valve but that ends in a backfire through the intake manifold. It's only me as the mechanic.I can not turn the iginition key and pour gasoline down the intake at the same time. When I try to do a restart with the iginition it just keeps cranking. No start/run action at all. I measured the voltage at the injector and discovered there was none only about 500 pulseing millivolts. I expected to see anything between 6 or 12 volts, whatever voltage the injector work off of.
I also checked #1 cylinder firing point in respect to the #1distributor rotor position and the TDC timing mark on the crankshaft. All appeared okay. I did try spraying some starting fluid down the intake but I think the cold start valve override my spray and than nothing again. Any other throughts or suggestions are welcome. Do you believe the ECM is bad or should I be looking at one of the sensors?