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Rough idle once LPG system got uninstalled 

 

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 Post subject: Rough idle once LPG system got uninstalled
Posted: Fri Jan 19, 2018 8:04 pm 
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Age: 25

Posts: 5

Joined: 30th Apr 2017

Ride: 1995 EF Fairmont 6cyl.

Location: Melbourne
VIC, Australia

Hi guys, Today i took my 95 ef into a mechanic to get the LPG system uninstalled. Everything was fine until i got 5 mins away from home and the engine begun to idle and drive very rough. The exhaust sounds like it is sputtering/coughing and it shakes more than normal when I put my foot down on the accelerator and more worse when going up hills, I was told by 3 other people that this may be a spark issue. Started the ignition, pulled off each spark plug lead one by one and all seems good and fine. Does anyone have ideas of what may be the issue?

Edit: once I got home I had a good look to see what sort of job the mechanic did.
1. They just cut the wire from the LPG switch from the positive of the battery
2. My throttle cable is loose as f**k
3 . Looks like they just cut out the old gas tank and duct tape the holes in the boot.

Would it have something to do with the computer in the car if they didn't uninstall the LPG system properly.
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 Post subject: Re: Rough idle once LPG system got uninstalled
Posted: Wed Jan 31, 2018 11:30 pm 
Stock as a Rock
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Age: 35

Posts: 130

Joined: 27th Apr 2011

Gallery: 8 images

Ride: ea falcon

Location: tanilba bay
NSW, Australia

check the ecu harness. my ed had a little gas computer that was tapped into the o2 and coolant temp sensors. if they didn't remove yours, and return the connections to factory, it would explain the poor running.

 

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