Question about 1985 Ford F150

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Backfire when turning over

Or whatever you call a flame shooting from the carb.  After replacing a broken fuel pump and finding a broken distributor cap, and replacing them, the truck won't turn over.  I'm not sure how to find out the engine size, but I've been under the impression that it's a 306  ( straight 6, 4.9, built in Canada, automatic), but now I'm thinking that I've bought the wrong parts and thrown the timing out.  How do I find out what size my engine is and, if it is a 306, what is causing it to turn over, start to run rough, but cough out smoke or flames through the choke before it dies???

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I found out that it was that the magnet was missing from the plastic engine control portion that makes the connection below the distributor button.  That coming off probably caused all the breakage to begin with. Thanks for your help.

Posted on Jun 02, 2008

I found out that it was that the magnet was missing from the plastic engine control portion that makes the connection below the distributor button.  That coming off probably caused all the breakage to begin with. Thanks for your help.

Posted on Jun 02, 2008

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The cause most likelly is than you did misplaced the plug wires
make sure to get a firing order and have the plug wires at right tower of distribuitor cap they have to go exactly to one position or engine will misfire shake or won't start

Posted on Jun 02, 2008

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Posted on Jan 02, 2017

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