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1991 Ford Bronco No Spark! Please help me

Tiny
BIGTYMERS6929
  • MEMBER
  • 1991 FORD BRONCO
Engine Mechanical problem
1991 Ford Bronco V8 Four Wheel Drive Automatic

Hello I have a 1991 ford brono hwat happened is it had a 302 which ended up getting a rod knock so then I went ahead and found a motor which was a 5.8 windsor I did the swap and got the 5.8 in. It started right up but sounded like it had a miss so I decide to try and change the plugs I did that and lost spark sometime when I changed the plugs not sure what happened so today I took my ignition control module to napa and had them test it and it failed 3 times so I put a new module on and still no spark. The rotor is turning under the cap and I hear the fuel pump when I turn the key on. I put a new ignition coil on and it still didnt run. Does anyone know how to test a ignition coil? Or have any other ideas thanks
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Tuesday, July 22nd, 2008 AT 2:28 PM

2 Replies

Tiny
KLSHIEL
  • MECHANIC
  • 163 POSTS
One way you might be able to check the coil is to take the wire from the coil and put a spark tester right on it. Have you looked at the inside of the distributor cap? Moisture in there can cause intermittent problems that may cause problems in other components. Check all of you connections as well I know i've bumped stuff loose when I was working on something.
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Tuesday, July 22nd, 2008 AT 2:44 PM
Tiny
BIGTYMERS6929
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  • 3 POSTS
Hello ken thanks for the reply I have fixed that spark problem it turned out to be a bad coil I think since the ignition control module was bad to begin with it messed up the coil so I bought a new one and it started up :). Now for the bad it has a bad miss and not sure whats causeing it there is white smoke coming out of the oil fill hole and its under pressure when u put ur hand over it but its not hott at all?
I was thinking that maybe I have bad or stuck rings and that was the problem but maybe it could be a bad valve or and bent push rod? Any other ideas it could be would help alot ill start by a compression test and see how that comes out thanks again tony
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Tuesday, July 22nd, 2008 AT 11:19 PM

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