why the car wont start on 1992 Mitsubishi Galant

i put a motor in my 92 mitsubishi galant and i hook every thing back up right.everything come on but the car wont start.whats wrong with it?

by in Thomson, GA on April 27, 2011
2 answers
ANSWER by on April 27, 2011
i dont no may be it the relay control
ANSWER by on April 28, 2011
You've got to look to see that you have spark and fuel occurring at the right time. An engine needs three things to run, mechanical integrity, fuel and spark. I would "tee into" the fuel line so I can monitor fuel pressure when the problem occurs, if fuel pressure falls off, or drops to zero you know your problem is fuel related, you then start tracing the fuel pump, fuel pump relay and sensors that allow for fuel pump operation. I would use a timing light attached to number one spark plug one of the spark plug wire and see if it has spark and spark arriving near TDC.. If the there is no spark I check the ignition system, wiring and sensors associated with the ignition system. Intermittent problems are hard to find and your vehicle has limited diagnostic capabilities. Understanding how each system works, having a good wiring diagram and volt/ohm meter and patience are required to trouble shoot this kind of problem. There is a company that independent auto repair shops buy their information from that the same information inexpensively to do it yourselfers. The information is year make and model specific repair procedures, service bulletins, component locations, wiring diagrams ect.... Alldata is very easy to navigate http://bit.ly/AllData_Repair_Manuals_Online
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i put a motor in my car and i hook everything back up right.everything work but the car wont star.whats wrong?

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