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Re: No start--Fuel System--previous bumpy acceration
Posted by JohnK (more from JohnK) on Tue, 16 Aug 2005 06:21:30
In Reply to: No start--Fuel System--previous bumpy acceration, RSJ, Mon, 15 Aug 2005 15:45:36
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You can probably get a good used ECU form Jim at sobstory(site sponsor)800-583-0370. But first check the fuel pump relay, located on a bracket just above the ECU. Good idea to replace it anyway even if ECU is bad. The fact that car runs when fuel pump is directly powered, indicates that at least some of the ECU functions are working, eg injectors are working, so ECU msut be getting a tach signal from the Hall effect sensor.
Could also be the wire from the ECU to the fuel pump relay. You can check for a signal from the ECU at the fuel pump relay with a basic digital voltmeter. The Bentley manual describes the test procedure.
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