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1987 - 1996 F150 & Larger F-Series Trucks 1987 - 1996 Ford F-150, F-250, F-350 and larger pickups - including the 1997 heavy-duty F250/F350+ trucks

Popping noise?backfire

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Old Mar 16, 2015 | 08:54 PM
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Popping noise?backfire

When punch the gas the. Quickly let off it'll pop. Like a shotgun longer I rev louder it gets. I don't think timing is advanced unless some idiot thought they needed to. I thought 88 were back to the already advance timing. New spark plugs distributor cap. And rotor. So any ideas?
 
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Old Mar 16, 2015 | 11:28 PM
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I had a similar problem this fall and winter. It turns out that I bought some gas that had water in it. It was backfiring and popping pretty bad. I thought that I had blown the engine. But it was just water in the tank. I added 2 pints of dry gas each time and it took a long time to get rid of all that water. Fortunately, I had two tanks and only one was affected so I ran on the good one and switched on the wet tank intermittently on the highway to remove the water. It took about 9 tanks to get rid of all the water.

To be sure, you will have to check the fuel pump pressure with a pressure gauge.

Regards,
Larry
 
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Old Mar 17, 2015 | 07:37 AM
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Stop guessing, check the base timing.
 
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Old Mar 19, 2015 | 08:09 AM
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Well to be honest don't really know how.
 
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Old Mar 19, 2015 | 10:15 AM
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Good info here: How To Set the Timing On a EFI Ford
 
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Old Mar 19, 2015 | 10:37 AM
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Website no longer exists :/
 
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Old Mar 19, 2015 | 10:44 AM
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Originally Posted by Natcox012
Website no longer exists :/
Did you click the link? I did not post the one from the oldfuelinjection site. I know darn well it's defunct and the person who was hosting the old content is usually up and down.

Uncoded URL: http://web.archive.org/web/201104301...tion.com/?p=71
 
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Old Mar 19, 2015 | 10:47 AM
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Yea I clicked it
 
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Old Mar 19, 2015 | 10:50 AM
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Both links take me to the Web Archive version of the Oldfuelinjection site. I wonder if anyone else has a problem with the link?
 
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Old Mar 19, 2015 | 10:52 AM
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Now it works -.-
 
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Old Mar 19, 2015 | 10:53 AM
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Very weird...glad you got it to work.
 
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