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taking longer to fire up 

 

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 Post subject: taking longer to fire up
Posted: Mon Feb 22, 2010 7:19 pm 
Oompa Loompa
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Location: Toowoomba
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Hello people,
I have an 98 fairlane V8 of course that is having trouble starting and is now taking longer to fire up . It cranks over easy but just wont firing up straight away. If i crank it for about 8sec then stop and start again it will fire up within a few seconds.
Now i have replace the spark plugs, Leads and fuel filter, I am currently waiting of delivery of fuel pump.
Now after reading a few articles i am wondering if it could be the map sensor. I do have one spare but off a 6cyl will that be the same as the V8 one, and it there any thing else it could be ?
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 Post subject: Re: taking longer to fire up
Posted: Mon Feb 22, 2010 7:22 pm 
Stock as a Rock
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Ride: 98 EL xr8

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i am having the same problem with my El xr8

i changed leads/dizzy/coil/plugs/injectors cleaned/fuel filter/fuel pump and MAF and MAP sensor and still have the same problem..

 

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 Post subject: Re: taking longer to fire up
Posted: Mon Feb 22, 2010 7:41 pm 
Getting Side Ways
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Check fuel filter / pump ???
Try turning key on and off a few times to prime fuel system??
If it helps ?? There is an issue with filter etc...

 

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Last edited by EBXR8380 on Mon Feb 22, 2010 7:44 pm, edited 1 time in total.

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 Post subject: Re: taking longer to fire up
Posted: Mon Feb 22, 2010 7:44 pm 
Getting Side Ways
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kingyxr8 wrote:
i changed leads/dizzy/coil/plugs/injectors cleaned/fuel filter/fuel pump and MAF and MAP sensor and still have the same problem..

did ya put some fuel in it :lol:

 

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 Post subject: Re: taking longer to fire up
Posted: Tue Feb 23, 2010 3:25 pm 
Oompa Loompa
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Location: Toowoomba
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Yes i did put fuel in it but i can speak for kingyxr8,lol.

i cant say that i have try turning the key on and off a few times but i have notice that once it has been started in will start quickly agian. Hmm maybe a fuel presure problem hence why i am waiting for fuel pump.

Now what about the MAP and MAF sensors will the 6 cyl ones fit the V8?????
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 Post subject: Re: taking longer to fire up
Posted: Thu Feb 25, 2010 12:18 pm 
Getting Side Ways
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Are you getting a good strong spark? How do the terminals on the coil look?

 

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 Post subject: Re: taking longer to fire up
Posted: Thu Feb 25, 2010 3:03 pm 
Oompa Loompa
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Location: Toowoomba
QLD, Australia

i have not looked at the coil terminals but i will over the weekend along with making sure it is a good spark.
Cheers
and thanks for that as it was not something that i thought of
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 Post subject: Re: taking longer to fire up
Posted: Thu Feb 25, 2010 3:33 pm 
Getting Side Ways
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I had this same problem with my 6cyl EF until I put new injectors and fuel reg in.
It so far started instantly for 12 months.
Look at it this way, if your injectors are leaking out.
It will partly flood the cylinder. Even if you triple prime (turn key to on 3 times).
It still needs to crank over for a few seconds to clear the cylinders of the excess fuel.

 

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 Post subject: Re: taking longer to fire up
Posted: Thu Feb 25, 2010 3:56 pm 
Oompa Loompa
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Location: Toowoomba
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I was starting to think maybe the injestors but just want to make sore it could not be anything else.
Is there a way that you can test the injectore first?
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 Post subject: Re: taking longer to fire up
Posted: Thu Feb 25, 2010 7:15 pm 
Getting Side Ways
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test the fuel rail pressure,that will check the pump and regulator,if ok,clean the injectors,as said before,spark to all plugs.

 

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 Post subject: Re: taking longer to fire up
Posted: Thu Feb 25, 2010 7:20 pm 
Oompa Loompa
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Location: Toowoomba
QLD, Australia

How do you test the fuel rail ?
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 Post subject: Re: taking longer to fire up
Posted: Thu Feb 25, 2010 8:51 pm 
Getting Side Ways
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tasty37w wrote:
How do you test the fuel rail ?

pressure gauge on the rail fitting,looks like a tyre valve cover.

 

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