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Engine have back fire

Tiny
CHANGTE
  • MEMBER
  • 1995 FORD FALCON
  • 250,000 MILES
I have a ford ef falcon 1995, it used lpg and petrol.
now when I switched from petrol to lpg, the engine have big back fire.
where should I adjust?
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Thursday, July 26th, 2012 AT 1:22 PM

2 Replies

Tiny
ASEMASTER6371
  • MECHANIC
  • 52,797 POSTS
What upgrades to the fuel control system have you done to accept the changeover?

Roy
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Thursday, July 26th, 2012 AT 1:57 PM
Tiny
MHPAUTOS
  • MECHANIC
  • 31,938 POSTS
EFI backfire on these cars is usually due to poor ignition lead leaking voltage where they are bundled in threes, and causing the back fire, very common problem, if yours is the early version with distributor, replace cap and leads as well.
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Monday, July 30th, 2012 AT 11:51 AM

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