Sits in the hot sun and won't start. reason/fix?

Asked by Aug 12, 2009 at 03:41 PM about the 1993 Honda Accord

Question type: Maintenance & Repair

I've had problems this summer.  When I leave the car in the sun for too long, it doesn't want to start until the sun goes down and the car cools.  If I park in the shade there isn't usually a problem.  I have no problems starting the car in the evenings or first thing in the morning.

3 Answers

110

i Had the same prob last year. took it to the dealership, said it was a relay of some sort, cost me only $50 to have fixed. seems the relay sits on a pipe and is known to crack after a while, when your car sits in heat or gets hot, the pipe it sits on expands and wont let the contact, connect on your relay.

11 people found this helpful.
210

I had the same problem last year with a 1991 Honda Accord, 100% with out a doubt its the Main Relay, what causes the problem is in the main relay you have solder joints that over time crack, when it gets to hot the solder opens up not allowing for contact, basicaly what's happening is it's not sending the signal for your car to fire, It's going to cost you around $60 for a new OEM Main Relay from your Honda dealer or from the internet and you can save hundreds of dollars by fixing it yourself, the switch is under the stearing colum, it's hard to get to and your going to be on your back, but it's not to bad and will save you a ton of money doing it yourself! If you have any questions feel free to ask, hope this helps

14 people found this helpful.

What pipe was the sensor on? Or what was the name of the senor they replaced? I have replaced my main fuse...still will not start when it's hot outside.

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