Possible bad ECT sensor cause no start?? - Honda Accord Forum - Honda Accord Enthusiast Forums

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Old 08-14-2009, 03:54 AM
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The connector you are looking for is under the passenger's side of the dash, it is blue, and has only two wires going to it.

The location is behind the kick panel. I think that the tegger site referenced at the top of the gen tech help has a diagram showing the location. Short that connector with a piece of wire and count the check engine light flashes. I don't know when Honda made the switch from the LED to the flashing CEL.

A bad ECT should cause the check engine light to come on and set a code.

Is the starter turning the engine? Hot weather + no start sounds like a possible main fuel relay problem. Search this site, that subject has been covered a lot.
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Old 08-14-2009, 09:34 AM
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I think by 93 the Accord was already into the method of flashing CEL.

Tell us whether the starter cranks the engine. If it DOES, then it sounds like the main relay.
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Old 08-14-2009, 12:59 PM
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The thing about the main relay, is it doesn't energize the fuel pump. Easiest thing is to listen for the pump, so get into the following habit...

All noisy stuff OFF - radio, ventilation, etc.
Turn the key to ON but don't immediately turn to START.
Listen for the relay, & the pump running for 2 seconds before it stops.

When the main relay fails, it usually will still click, but the pump doesn't run. This normally happens when the interior is hot, like a sunny summer day. Open the windows while you wait for help, then the interior cools down, car starts, & the mechanic thinks you're imagining things.

Know how to solder electrical stuff? Find the relay by following the sound (near driver's left knee). You could pop open the case & re-melt some cracked solder joints on the circuit board.
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