Fordmods Logo

EL fairmont running terribly!! 

 

Page 1 of 1 [ 6 posts ] 

 
 Post subject: EL fairmont running terribly!!
Posted: Mon Mar 02, 2009 9:05 pm 
Fordmods Newbie
Offline

Age: 31

Posts: 1

Joined: 2nd Mar 2009

Ride: el fairmont

Location: melbourne
VIC, Australia

Hi,
My el fairmont is running terribly and its hard to diagnose the problem!!
On gas it runs fine whilst driving with a small miss at idle and when driving when i back off the revs it does a little rev up then goes to idle again with the little miss.
However on petrol it runs atrocoiusly misses and the exhaust smells as if it running rich. It won't idle on petrol and generally runs terrible!
it's strange as it runs OK on gas please help!
Top
 Profile  
 
 
 Post subject: Re: EL fairmont running terribly!!
Posted: Tue Mar 03, 2009 9:31 am 
Smokin em up
Offline
User avatar

Age: 50

Posts: 259

Joined: 21st Aug 2008

Ride: Fairlane Concorde 4.0

Location: wagga
NSW, Australia

Sounds a bit like my Fairlane. Still haven't had time to get to the bottom of it either. What I plan to do is this when time allows. First is to check fuel pressure and delivery. I have already put a new fuel pump in as the old one was getting noisey. As with a lot of dual fuel cars, lpg is used majority of the time and this causes problems for the petrol side of the car. Your fuel can go stale if its not used for a long period of time. The fuel pressure regulator can gum up or the seals can dry out. The fuel injectors can clog up and require cleaning or exchanging.

I am going to check for approx 40psi of fuel pressure at the fuel rail and also check that the fuel pump can deliver well over a litre of fuel in 1 minute. If fuel pressure and volume are good then I'll replace the fuel injectors on an exchange basis. I have already checked for codes as per instructions on this web site and all was good. My car runs well on gas so not too many things can be the culprit.

If you intend on checking fuel pressure and volume yourself, ensure engine is cold and have an assistant crank the engine for you so you can hold a container under the fuel line. Fuel pressure test kits can be purchased from that auction site on the internet (you know the popular one) or form Bursons etc.

 

_________________

NF Fairlane: Non Factory Dual Fuel - New coolant tank, New fuel injectors, New fuel pump, New earth cable, ECU capacitors replaced, New O2 sensor, leads and plugs, New Radiator/Condensor cleaned. 483,000kms. AU I6 Powered. Struts, Shockies, Tie rods and ball joints replaced.

Last edited by alfy12 on Tue Mar 03, 2009 1:06 pm, edited 1 time in total.

Top
 Profile  
 
 
 Post subject: Re: EL fairmont running terribly!!
Posted: Tue Mar 03, 2009 1:02 pm 
Getting Side Ways
Offline
User avatar

Age: 28

Posts: 5889

Joined: 2nd Mar 2006

Gallery: 5 images

Ride: '14 Grand Cherokee

Location: Port Lincoln
SA, Australia

the MAP sensor couldve shat itself. try swapping another one in and see if that makes a difference. i think theyre about $5 from a wrecker.

 

_________________

11/93 ED OPT20 GLi | Full Boat Spec

Top
 Profile  
 
 
 Post subject: Re: EL fairmont running terribly!!
Posted: Sat Mar 07, 2009 8:20 am 
Getting Side Ways
Offline

Age: 34

Posts: 756

Joined: 21st Nov 2005

Gallery: 25 images

Ride: 1999 AU futura

Location: griffith
NSW, Australia

Being on gas i would check the ignition leads and the spark plugs also check the rotor and distributor cap.Gas requires good condition of the sprak ignitiion system to run efficiently.

When you turn it back to petrol it would obviously run worse due to the gas treatment to the ignition system.Gas is hard on the leads and plugs.

I would check the resistance in the ignition leads also check for black powder residue inside the plug and cap ends.

Check and replace spark plugs with the appropriate gap to suit gas.

Being an EL check the distributor cap for cracks and or build up on the posts.Also check the rotor for cracking.

Check the bolts on the inlet manifold are tight,also check for a broken inlet gasket (very common) simply by spraying water over the inlet gasket whilst engine running you should notice the engine revs will change if it is leaking.

Good place to start.

 

_________________

COMING SOON,XD WITH A TURBO...CLEVO STYLE

Top
 Profile  
 
 
 Post subject: Re: EL fairmont running terribly!!
Posted: Sat Mar 07, 2009 8:59 am 
Getting Side Ways
Offline
User avatar

Age: 49

Posts: 1634

Joined: 8th Jul 2007

Gallery: 21 images

Ride: EL F100 CAPRI XR EF

Power: 234 rwkw

Location: brighton
SA, Australia

my ef ex taxi had same problem. gas fine, petrol felt like it would stall, clunking and shaking etc, rich smell from the exhaust. i replaced the injectors and fuel filter. runs sweet as now.
Top
 Profile  
 
 
 Post subject: Re: EL fairmont running terribly!!
Posted: Sun Mar 08, 2009 3:46 am 
Getting Side Ways
Offline
User avatar

Age: 30

Posts: 3737

Joined: 22nd May 2006

Ride: BF F6 Tornado - #0077

Location: Bendigo
VIC, Australia

+1 map sensor, or faulty wire back to ecu on oxy sensor after the conversion. possible earthing prob too.

 

_________________

** For Sale ** http://www.fordmods.com/ford-parts-for-sale-f17/assorted-e-series-parts-t124697.html

F6 Tornado 2006 Build

Is it about sex? The engine in my car? Or a cure for cancer?
No?

Then f**k off

Top
 Profile  
 
Display posts from previous:
Sort by  
 Page 1 of 1  [ 6 posts ] 

Who is online

Users browsing this forum: No registered users and 31 guests


You cannot post new topics in this forum
You cannot reply to topics in this forum
You cannot edit your posts in this forum
You cannot delete your posts in this forum
You cannot post attachments in this forum

 

 

It is currently Mon Dec 11, 2017 10:12 pm All times are UTC + 11 hours

 

 

(c)2014 Total Web Solutions Australia - Australian Web Hosting and Domain Names