EF I6 stalling problem - Ford Forums - Mustang Forum, Ford Trucks, Ford Focus and Ford Cars

XWJG34 · 03-28-2002, 05:49

Hi all,
Wondering if anyone can help with this one.... here goes.......

My old mans EF I6 seems to have a problem. It starts, idles and accelerates fine but when you slow down it stalls. Its fine if you slow down gently at low speeds but if your not super gentle on the brakes, it stalls. And i dont mean jumping on the pedal. It does it every time i come of the M5 east eg 90k/hr - 0. Even lower speeds eg 60k's to a complete stop. Its very weird as it has seemed to have instantly got this problem.

Its just had its (bout a month ago) 100 000k service which i did... air filter, spark plugs, oil and filter etc I did the leads at the 90 000k service. It ran sweet after i serviced it but in the last 3-4 days this comes up. Its got me baffled.. any help would be appreciated THANKS!!

The only thing i see could be the problem... the auto seems somewhat confused. Today i noticed when it was gearing down and very late might i add, (just as i was stopping) the box downshifted and the revs dropped very suddenly.. like i just turned the ignition off instead of its usual smoothness?? I checked the air filter and its all clean. ARRGH!! Sorry for the long thread guys but ive tried to explain everything...

Aussiblue · 03-28-2002, 06:06

Sound like a trans problem; start by adjusting bands and changing fluid and filter - may well be front band wear - staying in higher gear and stalling as you slow down.

XWJG34 · 03-28-2002, 06:15

Yep done that bout 5000 k's ago mate.... the oil looked liked it had never been changed!!! I cant believe the neglect people show some cars.... im hoping its not a box problem as i heard that they are a money pit to fix and that the bands on these things wear out like now tomorrow as they are thin to begin with!! :(
Is this true? Sorry, but im not knowledgeable on new Fords, i'm still living in 1970

RaceCraft · 03-28-2002, 07:03

3 things ?...
1 check the small vac line to map sensor and inlet man...

2 disconnect the stepper motor ( idle control thingie)
get someone to hold tthe rev at 2500 for 30s and plug it back in

3 seems as it only when u apply the brakes it could perphaps be the tell tale signs of a brake boooster going?
slighht leak around the diaphram?

hope its only no 1

XWJG34 · 03-28-2002, 07:29

Thanks mate, now all i need is to know where what you're talking about is LOL. Pics would be nice (but probably is a big ask). They never had map sensors on XW's :p Ill check the booster at first light (could be why the brakes are semi non existant). This is getting very iffy.. i hope it ends up being simple.. but i got a feeling its the box :(

RaceCraft · 03-28-2002, 07:41

map sensor is mounted on the passenger side firewall... its black around 3" long 2 "wide and 1/2' thick....the lhs has a small vac hose and the right hand side has a electrical plug... the other end is smack bang on the inlet manifold ..at the join and half way along follow the black pipe to the map sensor if thats easier..

the stepper motor ... is the canister looking thing on the very top of the throttle body.. connector plugs in ez... its held on by 2 10mm bolts

hope that helps ya

RaceCraft · 03-28-2002, 07:45

trans have problems accelerating and changing thru the gears ,,stuff like that ...its super rare it find a problem with a gox on deceleration... its probaly the booster if u say the brakes a ordinary

BLWNEB · 03-28-2002, 21:07

Sounds like it could be the idle speed controller, remove this give it a clean and refit c how it is.

XWJG34 · 03-28-2002, 22:45

Quote:

Originally posted by tibbo
3 things ?...
1 check the small vac line to map sensor and inlet man...

2 disconnect the stepper motor ( idle control thingie)
get someone to hold tthe rev at 2500 for 30s and plug it back in

3 seems as it only when u apply the brakes it could perphaps be the tell tale signs of a brake boooster going?
slighht leak around the diaphram?

hope its only no 1

Did 1 and 2... and it "seems" fine now, no stalling. Although the box changes gears like an L-Plater, hmmm. Thanks for all your help fellas. Hope it doesnt do it again though.

Fairlane Boy · 03-31-2002, 19:25

Quote:

Originally posted by XWJG34

Did 1 and 2... and it "seems" fine now, no stalling. Although the box changes gears like an L-Plater, hmmm. Thanks for all your help fellas. Hope it doesnt do it again though.

maybe the automatic problems are because you incorrectly adjusted the bands last time?