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HELP ef jerking/chugging 

 

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 Post subject: HELP ef jerking/chugging
Posted: Tue Dec 15, 2009 1:04 am 
Oompa Loompa
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Age: 27

Posts: 41

Joined: 22nd Nov 2009

Ride: ford ea

Location: mildura
VIC, Australia

hey just got my ef engine in my ea and was fine for the first hour or so but then it wont go over 3500 rpm when it gets to 3500 it chuggs (like im hitting a speed limiter or something) does it in every gear aswell
occasionally it will go over but soon brings me back to earth by locking up the tires and dropping me to 3500 like i just dropped it from 4th to 1st
please some1 have a answer for this.
could it be vacuum related?

Wattie
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 Post subject: Re: HELP ef jerking/chugging
Posted: Tue Dec 15, 2009 1:27 am 
Fordmods Junkie
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Joined: 26th Nov 2008

Ride: 1975 XB Falcon 500

Location: In the drivers seat
SA, Australia

wattie wrote:
hey just got my ef engine in my ea and was fine for the first hour or so but then it wont go over 3500 rpm when it gets to 3500 it chuggs (like im hitting a speed limiter or something) does it in every gear aswell
occasionally it will go over but soon brings me back to earth by locking up the tires and dropping me to 3500 like i just dropped it from 4th to 1st
please some1 have a answer for this.
could it be vacuum related?

Wattie



Maybe the map sensor is disconnected? Check to see if the Vacuum line is connected mate. Did you convert just the engine or the did you do the BBM aswell?

 

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 Post subject: Re: HELP ef jerking/chugging
Posted: Tue Dec 15, 2009 1:40 am 
Parts Gopher
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Location: sextonville
QLD, Australia

if its locking up the tyres its auto related
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 Post subject: Re: HELP ef jerking/chugging
Posted: Tue Dec 15, 2009 10:59 am 
Oompa Loompa
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Age: 27

Posts: 41

Joined: 22nd Nov 2009

Ride: ford ea

Location: mildura
VIC, Australia

its a manual.. its locking up like compression lockking
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 Post subject: Re: HELP ef jerking/chugging
Posted: Tue Dec 15, 2009 11:00 am 
Oompa Loompa
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Age: 27

Posts: 41

Joined: 22nd Nov 2009

Ride: ford ea

Location: mildura
VIC, Australia

XR-Lane wrote:
wattie wrote:
hey just got my ef engine in my ea and was fine for the first hour or so but then it wont go over 3500 rpm when it gets to 3500 it chuggs (like im hitting a speed limiter or something) does it in every gear aswell
occasionally it will go over but soon brings me back to earth by locking up the tires and dropping me to 3500 like i just dropped it from 4th to 1st
please some1 have a answer for this.
could it be vacuum related?

Wattie



Maybe the map sensor is disconnected? Check to see if the Vacuum line is connected mate. Did you convert just the engine or the did you do the BBM aswell?


did the bbm and all the original ef looms..what line does the map sensr go to?
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 Post subject: Re: HELP ef jerking/chugging
Posted: Tue Dec 15, 2009 12:01 pm 
Oompa Loompa
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Joined: 25th Nov 2009

Ride: Ford Falcon GLi sedan

Location: sydney
NSW, Australia

Hi, the map sensor is a little rectangular black box with a vacuum line and a plug that connects to your engine loom. Usually mounted on the firewall.The vacuum line connects to your bbm opposite the throttle body near the passenger side strut tower. As far as the electrical connector goes, look for an unused plug in your harness at tha rear of your engine and that will almost certainly be your map sensor connection. If it is a different fitting then it's not the one. It is nearly impossible to connect anything on the engine incorrectly as all the plugs are different except the injector wiring.
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 Post subject: Re: HELP ef jerking/chugging
Posted: Tue Dec 15, 2009 12:30 pm 
Fordmods Junkie
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Ride: 1975 XB Falcon 500

Location: In the drivers seat
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It may be possible you left the map sensor out when you did the conversion?

 

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 Post subject: Re: HELP ef jerking/chugging
Posted: Tue Dec 15, 2009 1:35 pm 
Oompa Loompa
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Age: 27

Posts: 41

Joined: 22nd Nov 2009

Ride: ford ea

Location: mildura
VIC, Australia

lol ok i may be a noob but i know what the map sensor is and where it is.. i was just wondering if maybe i put the wrong hose on it but im pretty sure its right.. i do have to vacuum hoses that i cant figue out what they go to tho... ill post up a pic of what ones in aa sec
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 Post subject: Re: HELP ef jerking/chugging
Posted: Tue Dec 15, 2009 1:54 pm 
Oompa Loompa
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Age: 27

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Joined: 22nd Nov 2009

Ride: ford ea

Location: mildura
VIC, Australia

ok the arrows indicate what way the hoses go.. the one on the left goes to the line on the second photo and the one on the right comes from behind the washer bottle..Image
Image
and just to clear up the line on my bbm there goes to the map sensor yea?
Image
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 Post subject: Re: HELP ef jerking/chugging
Posted: Tue Dec 15, 2009 2:26 pm 
Getting Side Ways
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Ride: Falcon

Location: Central Highlands
QLD, Australia

What fuel pump are you using???? If your EA was centre-point injected they run a smaller capacity fuel pump compared to the multi-point falcons.

Try reseting the ecu by disconnecting the battery for 15mins, now try to rev it out...

Does it blow any white/blue/black smoke when drops back to 3500rpm and you hold it there??

 

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 Post subject: Re: HELP ef jerking/chugging
Posted: Tue Dec 15, 2009 3:46 pm 
Oompa Loompa
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Posts: 44

Joined: 25th Nov 2009

Ride: Ford Falcon GLi sedan

Location: sydney
NSW, Australia

If your EA was CFI, the fuel pump will not provide enough actual pressure to operate 6 injectors on a fuel rail. Change the pump and the inline fuel filter, then see if there is a decent improvement
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 Post subject: Re: HELP ef jerking/chugging
Posted: Tue Dec 15, 2009 4:07 pm 
Oompa Loompa
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Age: 27

Posts: 41

Joined: 22nd Nov 2009

Ride: ford ea

Location: mildura
VIC, Australia

ok we have a winner its all fixed now it was a faulty map sensor.. i replaced it with one out of an ef xr6 wreck and away it went good as gold. im also using my ea MULTI point injected fuel pump aswell untill i upgrade to something bigger.
thanks for all your help guys muchly appreciated..
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 Post subject: Re: HELP ef jerking/chugging
Posted: Tue Dec 15, 2009 4:10 pm 
Oompa Loompa
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Age: 27

Posts: 41

Joined: 22nd Nov 2009

Ride: ford ea

Location: mildura
VIC, Australia

still dont have an idea about the vacuum lines tho...
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