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lpg backfire through intake 

 

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 Post subject: lpg backfire through intake
Posted: Fri Feb 15, 2013 1:00 am 
Parts Gopher
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Ride: 1992 falcon eb xr6

Location: daylesford
VIC, Australia

Is it normal for a car on gas to back fire through intake when booted at 1000rpm in 2nd? it has been playing up explodeing underload like takeing off from lights it will explode then refuse to start. Sorry about my spelling/gramma any help would be greatly apreciated thank you

 

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1992 falcon eb manual xr6 minor head work j3 chip tuned to a el xr6 manual ecu pushing 130rwkw

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 Post subject: Re: lpg backfire through intake
Posted: Fri Feb 15, 2013 1:07 am 
Getting Side Ways
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Ride: BA XT V8

Location: Gosnells, Perth
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replace your spark plugs.

 

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 Post subject: Re: lpg backfire through intake
Posted: Fri Feb 15, 2013 1:18 am 
Parts Gopher
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Age: 26

Posts: 63

Joined: 11th Mar 2012

Ride: 1992 falcon eb xr6

Location: daylesford
VIC, Australia

I did yesterday so i guess cars on gas arnt ment to back fire nooting it at the low in the rpm?

 

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1992 falcon eb manual xr6 minor head work j3 chip tuned to a el xr6 manual ecu pushing 130rwkw

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 Post subject: Re: lpg backfire through intake
Posted: Fri Feb 15, 2013 1:34 am 
Parts Gopher
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Age: 26

Posts: 63

Joined: 11th Mar 2012

Ride: 1992 falcon eb xr6

Location: daylesford
VIC, Australia

Also to add ive changed the inlet manifold gasket

 

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1992 falcon eb manual xr6 minor head work j3 chip tuned to a el xr6 manual ecu pushing 130rwkw

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 Post subject: Re: lpg backfire through intake
Posted: Sun Feb 17, 2013 8:37 pm 
Oompa Loompa
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Age: 52

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Ride: NF with all the fruit

Location: Adelaide
SA, Australia

Have you upgraded your ignition leads. ? The ignition system needs to be working 100% for lpg.
Also, Did you apply sealant to the intake gasket ? Vacuum leaks can be a cause, too.
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