QuarterPounder

My XR has developed a bad habbit of stalling when coasting down to traffic lights/stop signs, turning into driveways etc....

However, once the car as has established a proper idle, it idles fine. The car still seems to be performing OK.

We have done the following:

1. Pulled the fault codes from the computer - the only faults relate to base idle speed problems (funny that..)

2. Cleaned throttle body, removed, cleaned and tested idle speed motor and passageways

3. Adjusted base idle speed - this has made the problem better, but car still almost stalls, but usually recovers - still seems like something is wrong.

Any suggestions as to what we should try next?

Jase_ELXR8

we had one in a while ago doing that. It ended up being the coolant sensor and the computer....

AGXR6

QuaterPounder, i am very interested in the probs you are having with your xr6, because mine is doing the exact same thing. I've got an AU II x6 hp but it's got a mock dev 4 kit in it.
Mocky's tell me that the computer is stuffed and that they are finding it common that the computers just need changing, just i'm having trouble convincing my local ford dearler to change mine in waranty cos of the mods and that there are no codes comming up. Please help and let me know how you have gone with yours

V8 Ghia Mike

Hey Jase, what about the 5.0? Mine does the same, will not start without throttle when cold either. Checked and cleaned out the idle controller (thanks EDXR8), all wiring and sensor connections OK.

I'me beginning to think that a new coil, dizzy cap and rotor are required...all original with 245,000 on 'em.

Any thoughts?

Mike

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EF Fairmont Ghia, Bordeaux Purple, 5.0 Windsor, Crane cam, ChipTorque modded ECU, full XR bodykit, 16 inch XR8 alloys, 2.5 inch dropped Tickford suspension, full grey leather trim with chrome, woodgrain and lots of lights, climate control, ABS, Premium sound, trip computer, power everything

I can't get enough of this!

QuarterPounder

Still got the same problem.

It went away for a while after the dyno day early this year, but had recently come back.....

bigred

Had the same problems in the ED after i got it back from smash repairs.

Turned out to be a dodgey spark plug lead.

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steed

QuarterPounder, The IAC (idle air controller) motor isn't operating, the fault could be with the IAC motor or the PCM. Best way to find out is try and borrow a IAC motor off another car and see if this fixes the problem, or if you are handy with a multimeter check for a frequency on the wire to the pcm (160Hz), can't remember which color , it's the one that does't have 12volts supplied.

xl250

could be an EGO too...

After my fairmont was dyno'ed the exhaust gas sensor died in the bum...

Worth a look into...

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Cheers,
Mike Jones
kaitlinj@optushome.com.au

1994 EF Fairmont Ghia
1963 XL Falcon Deluxe
1986 ZL Fairlane

Cobra

EGO? Or do yuo mean EGR? As in an Exhaust Gas Recirculation Valve?

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1999 AU XR8
14.594 @ 94.40mph
152.2RWKW (APS dyno)
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DBA slotted rotors/Bendix ultimate pads (front), Pioneer MP3 head unit and BA XR carpet mats.

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kryzak260

My EL Futura I6 and NL Fairlane Ghia I6 did exactly the same thing aswell. It happened about 3 months into its life on the futura, and about 9 months on the fairlane.

Just took em both into the ford dealer, under warrenty, who then just changed out the computer. Cant remember which computer, but i would imagine that steed is on the right track...

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'98 EL Futura Sapphire 4.0L I6 - Alpine CDA-9815 HU - Nothing else yet