Author Topic: Hard start in mornings  (Read 14592 times)

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emsvitil

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Re: Hard start in mornings
« on: Sep 01, 2016, 01:59:18 PM »
With age,  the fuel pressure leaks out overnight.    So in the morning you don't have any fuel flow until pressure builds up.


Hey Mudder,

So you know there are two things needed to fire an engine.... A/F mixture and spark.  I think most starting issues are fuel related.

Have you tried not touching the gas peddle, turning the ignition switch on, wait 20 seconds, count them, then turn the starter?

Gnarls.

That trick doesn't work on a 22RE.......

The fuel pump doesn't turn on with the ignition.    There needs to be some airflow before the fuel pump turns on (i.e. cranking)....

But there is a trick....

http://www.4crawler.com/4x4/CheapTricks/index.shtml#FuelPump


I automated the jumper wire by using a BIG capacitor instead.   When you first turn on the ignition and before the capacitor is charged it acts like the jumper wire.     Fuel pump runs about 15 seconds and turns off when capacitor get charged up.....
Ed
SoCal
86 SR5 XtraCab
22RE  W56B
31x10.50R15

 
 
 
 
 

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