91 honda accord wont start when its hot outside???

 

Sory, I'm confused by both of these.

To the OP-Have you searched for Main relay and the testing procedures. Does the CEL come on for ~2 sec and turn off? Try the link below for more information.

http://techauto.awardspace.com/index.html#overview

 

You do realize that it is december right?

 

haha was thinking the same thing.

But yeah, also kinda need more info. Like, do the accessories work? does it turn over? can you hear the fuel pump... pumping? (crank it over a few and see if you smell gas from the exhaust)

 

Well the op said "hot outside" and does not disclose their location......not all of us are in the northern hemisphere?

 

i was looking at your user info and thinking it was his, sry lol

 

It's cool.

I do wish the OP would shed a little more light so we might be able to help them?

djcvaughn-Any updates?

 

I am experiencing the same exact problem... whenever its cool outside, no problems... but if the car is left in some kind of heat it will not start... It will turn over but it wont start... very annoying... i changed my spark plugs, wires, fuel pump... still experiencing the same problem... if you guys have any other solutions im up for any suggestions...

 

What kind of car you have?

 

Main relay. Replace or better yet, take yours apart and resolder the cold solder job Honda does from the factory.

Do a search, there's several write ups on repairing your main relay.

 

After Checking the Fuel Pump, Fuel Filter, Firing, and replacing the Intake Temperature Censor and 2 Main Fuel Relays. I was at wits end and know that this problem only occurred when the outside temperature was of 75 F. In the middle of the day I took off the gas cap to listen to hear the fuel pump running and the pressure spewed out. Immediately while the fuel cap was loose the car started right up. Later I waited a while longer while in the heat off the day and yes it starts every time now. So much for smart mechanics. We just need Gods wisdom.