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914World.com _ 914World Garage _ Wont Start when hot

Posted by: mxdude914 Jun 12 2005, 07:03 PM

I finally got my car to where i drive it every where now and then this comes up, either it starts right away when hot(rare), takes a while to start, or just won't until the car cools down completely. Any ideas?

Posted by: ! Jun 12 2005, 07:11 PM

Won't turn over or won't fire up....?

Won't turn over is a bad solenoid that can be cured by tapping on it, pulling it and lubing it or replacing.....

Won't fire can be a CHT and fuel pressure bleed off.

Posted by: TimT Jun 12 2005, 07:14 PM

Mike I have a "working" 3 pin box...

whatcha need a non working one for?

Posted by: joeav8tor Jun 12 2005, 07:16 PM

possibly vapor lock...here is a procedure to do if it happens...you might want to relocate the fuel pump from its stock location to the front of your car...I believe it came in the relocated position from 1974 on.
Open the engine compartment lid.
Let the car sit for about 30 minutes without trying to start it.
After the 30 minutes are up, turn the key until you hear the fuel pump run but not enough to turn the engine over.
Turn the key to the off position again.
Turn the key until you hear the fuel pump again and hold it there for about 10 seconds.
Maybe do it again
Now attempt to start the engine.
The engine should start. http://www.autoatlanta.com/tech/fuel_pump_relo.html
good luck
Joe

Posted by: mxdude914 Jun 12 2005, 07:16 PM

It won't fire it turns over very freely.

Posted by: redshift Jun 12 2005, 07:18 PM

Also watch for tight valves... and loose ones, while we are talking about it.

M

Posted by: mxdude914 Jun 12 2005, 07:53 PM

the fuel pump is already relocated to the front.

Posted by: Jacques Jun 12 2005, 11:49 PM

Try a hard start relay

http://www.oldvolkshome.com/hardstart.pdf

Posted by: Rand Jun 12 2005, 11:55 PM

I may catch flack for this, but... I say hard start relays are a hack. IMHO, the problems they solve are only masking the real problem.They are usually hacked in when the car won't crank. Mmxdude914 said his car cranks fine. So the problem is more likely to be fuel-supply related.

Posted by: mxdude914 Jun 13 2005, 12:53 AM

I know this maybe kinda out there but if the gas cap is kinda old and doesnt seal well could that be a problem, but still doesnt explain why only has the problem when its hot.