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No power to ecu, fuel pump, and no spark

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Old Sep 13, 2012
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No power to ecu, fuel pump, and no spark

I took my dash out of my car to replace it and after i put it back in my car wont start...only cranks. I'm getting no power to my ecu, fuel pump, and have no spark. Ive checked every fuse, every relay, replaced the main relay, ignition, coil, button, and cap. I'm getting 12v to the distributer and have all the main grounds connected. Also, the CEL is on constantly. Ive put to much money into all these parts for nothing. I NEED HELP!!!
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Old Jan 23, 2013
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Re: No power to ecu, fuel pump, and no spark

my car is a 1986, im having the same problem, idk if its maybe a headgasket blown due to bad oil issues from the previous owner,

my car cranks but wont start,
timming maybe????!?!?!?!

im about to doe the spark test and then the main relay fuse
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Old May 19, 2013
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Re: No power to ecu, fuel pump, and no spark

When you dont have a signal from the crank sensor saying that the engine is turning over then you wont have ignition, fuel pump or anything else for that matter. However you also mentioned that you not getting power to the ecu, check your wires incase you pulled something off by accident, start by tracing power from the fusebox to the ecu. I know this post is old but I figured someone should answer the question incase someone else runs across this problem.

Originally Posted by fergyferg
I took my dash out of my car to replace it and after i put it back in my car wont start...only cranks. I'm getting no power to my ecu, fuel pump, and have no spark. Ive checked every fuse, every relay, replaced the main relay, ignition, coil, button, and cap. I'm getting 12v to the distributer and have all the main grounds connected. Also, the CEL is on constantly. Ive put to much money into all these parts for nothing. I NEED HELP!!!
Reply
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