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Re: might be a loss of pressure in the fuel line
Posted by Makis (more from Makis) on Sat, 15 May 2004 00:36:14
In Reply to: might be a loss of pressure in the fuel line, markP, Fri, 14 May 2004 17:43:21
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I, too turn the ignition key ON for a few seconds before starting and this results in slightly better starts but still not brilliant. Fuel pump does not turn ON when ignition is ON. The engine must be running for the fuel pump to turn ON. So system fuel pressure is not increased by keeping the ignition to ON for a few seconds before starting. A faulty FPR will reduce the fuel pressure in the system causing hard start. But this will result in consistent hard start problem. If however hard starting is occasional for the same conditions (equal temperature, engine not run over night etc.) then FPR may not be the fault. I am starting to suspect a ECU sensor like the RPM sensor is not sending a strong signal when the engine is crancked from cold and as a result the fuel pump is turned ON with a delay causing the hard to start problem.
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