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2003 honda accord no start
by garyharris on Jul 11 2018, 8:38 PMI have an 03 accord 2.4ltr brought in on the hook with a no start condition. Checked the usual fire, fuel, compression. No fuel pressure, checked power and ground at fuel pump connector, have 2 second power with switch on, constant power during crank. Simple, replace fuel pump, now have 52 psi while cranking but still no start. Have checked both pgm fi relays, test good. Map sensor has 5 v ref, reads 2.8v with koeo, apply 20" vacum to sensor, voltage drops below 1v as per spec. Have injector pulse all across, ignition fire on all 4 coils, even replace spark plugs, still no start. No codes at all, customer states they went to store, come back out a few minutes later then no start. Any ideas would be greatly appreciated.
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I would check your starter switch , very common on preview years ! fail all the time and sometimes they show codes of throttle position sensor ect!