No spark🤬
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Junior User
Joined: Feb 2008
Posts: 98
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From: Tennessee
No spark🤬
My sons 95 f-150 with the 4.9 decided to take a crap last week as he pulled into his school parking lot. He said he heard a knocking noise, before it died. It cranks over just fine, but has no spark what so ever!! Pulled plugs and checked them, new distributor and new coil on side of block, timing is where its supposed to be according to markings on crank pulley and light, and still no fire! What else could it be? We even changed computers and still no fire. Could the chain have jumped and not letting it fire? Any help will be greatly appreciated especially since his school is almost 20 miles one way, and my mustang doesn't get put on the roads in the winter...
Fleet Owner
Joined: Aug 2005
Posts: 23,666
Likes: 301
From: Easton,Ks
As far as the computer goes just leave it unplugged until you get the spark issue fixed.
See if the rotor in the distributor is turning while you crank the engine.
Also the engine has timing gears with no chain. But you could have a bad timing gear that slipped or not turning the cam.
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See if the rotor in the distributor is turning while you crank the engine.
Also the engine has timing gears with no chain. But you could have a bad timing gear that slipped or not turning the cam.
/
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