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Problems with XH V8 ute 

 

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 Post subject: Problems with XH V8 ute
Posted: Tue Nov 24, 2009 3:29 pm 
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Ride: XH2 s-pack V8

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Hi there,

Im new to this forum. I have recently purchased a 1998 XH2 S-pack V8 ute with the factory 5.0 EFI windsor and 4 speed auto.

The problem is when you press the accelerator more than about a quarter the engine stumbles badly like its running out of fuel or timing is way retarded. It starts and idles well.

Have replaced spark plugs, airfilter so far. I am new to injected V8's

Does any one know how many of these utes were made? i gather they are reasonably rare.

Any help much appreciated
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 Post subject: Re: Problems with XH V8 ute
Posted: Tue Nov 24, 2009 5:29 pm 
Getting Side Ways
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Start with the basics. I'd check the timing first, if that is OK, the start looking at everything else. How old are the plugs/leads/dist cap & rotor/air filter/fuel filter? If you are not sure, replace them all. The injectors may need a clean/service. Worst case, replace them. Good luck. :D

 

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 Post subject: Re: Problems with XH V8 ute
Posted: Tue Nov 24, 2009 5:37 pm 
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Plug leads look original, dizzy cap looks o.k. air filter done. Ute has 250K on clock
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 Post subject: Re: Problems with XH V8 ute
Posted: Tue Nov 24, 2009 8:29 pm 
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Mate
Check the crank angle sensor a common fault

Gassa

 

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 Post subject: Re: Problems with XH V8 ute
Posted: Tue Nov 24, 2009 9:23 pm 
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^^^^ Don't bother looking for it, as the XH V8's run a dizzy just like the EF/EL V8's.

qikgs wrote:
Does any one know how many of these utes were made? i gather they are reasonably rare.
There seem to be less of them around than even the XHII XR8's.

 

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 Post subject: Re: Problems with XH V8 ute
Posted: Tue Nov 24, 2009 11:32 pm 
Getting Side Ways
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250k kms is a bit excessive on a set of leads, get a new set.
If the leads are original so would the dizzy cap and rotor, and are probably in worse shape than the leads.
Then do the fuel filter.
And give the Maf sensor a clean.

 

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 Post subject: Re: Problems with XH V8 ute
Posted: Wed Nov 25, 2009 9:59 pm 
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get a can of carbycleaner and spray it around the inlet manifold gasket and vaccum hoses if the engine responds to it that tels you that it is sucking air through there and it will be leaning out. got access to a scan tool?
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 Post subject: Re: Problems with XH V8 ute
Posted: Thu Nov 26, 2009 11:00 am 
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No access to scan tool unfortunately.
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 Post subject: Re: Problems with XH V8 ute
Posted: Thu Nov 26, 2009 5:56 pm 
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most places arent to dear to scan somthing up plus they think they might get extra work out of it, we charge 88$ for a scan so its not really that dear
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 Post subject: Re: Problems with XH V8 ute
Posted: Fri Nov 27, 2009 1:15 am 
Getting Side Ways
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+1 fuel filter.

Ford diagnosed exactly the same problem with my car as a faulty MAF (of course they would...) but it turned out to be the fuel filter. The car was just struggling for fuel. Also replace the little adaptor between the fuel pump outlet and the hard fuel line on the pump bracket. Mine was leaking, spraying fuel back into the tank and reducing pressure in the line.

Mike

 

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 Post subject: Re: Problems with XH V8 ute
Posted: Fri Nov 27, 2009 2:02 am 
Getting Side Ways
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Clean the MAF hotwires.

 

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 Post subject: Re: Problems with XH V8 ute
Posted: Fri Nov 27, 2009 11:07 am 
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Ride: XH2 s-pack V8

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WA, Australia

Ive bought a new fuel filter and will fit it this weekend, How do I go about cleaning the MAF hotwires?

Cheers
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 Post subject: Re: Problems with XH V8 ute
Posted: Fri Nov 27, 2009 11:30 am 
Getting Side Ways
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Ride: 1999 XHII XR8, 2002 AU Fairmont

Power: 236 rwkw

Location: Perth
WA, Australia

Un-plug MAF sensor.
Remove rubber intake elbow.
Remove air-box lid with MAF on it.
Using a tamperproof bit, carefully remove the sensor from the side of the MAF.
You'll then see the two hotwires. Carefully spray them with some electrical contact cleaner or brake cleaner untill they are visibly clean.
Re-assemble ensuring intake elbow is tight and MAF is plugged back in.

 

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1999 XHII Falcon XR8 Ute 5.0L, TKO600 5spd, KB 2.1L Blower, 6.5psi, 12.2@113mph!!

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 Post subject: Re: Problems with XH V8 ute
Posted: Sun Nov 29, 2009 6:37 pm 
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Age: 45

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Joined: 22nd Nov 2009

Ride: XH2 s-pack V8

Location: Perth
WA, Australia

Cleaned MAF sensor and replaced fuel filter. Now runs like it should!

Thanks for the help.
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 Post subject: Re: Problems with XH V8 ute
Posted: Mon Nov 30, 2009 2:05 am 
Getting Side Ways
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Age: 31

Posts: 2116

Joined: 13th Aug 2005

Gallery: 15 images

Ride: 1999 XHII XR8, 2002 AU Fairmont

Power: 236 rwkw

Location: Perth
WA, Australia

Good work mate, thats what these forums are for.

 

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STREETBUILT RACING
1999 XHII Falcon XR8 Ute 5.0L, TKO600 5spd, KB 2.1L Blower, 6.5psi, 12.2@113mph!!

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