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1990 Ford Bronco runs rough

Tiny
RUSTY55
  • MEMBER
  • 1990 FORD BRONCO
  • V8
  • 4WD
  • AUTOMATIC
  • 170,000 MILES
I just got this bronco from a neighbor of mine and it wasn't running and it had been sitting for quite a while and I got it running but now it runs really rough and shakes alot when it idles. I think that the spark plugs wires might be on wrong so if you could send me some diagram to show me how they go from plug to distributor for a 5.0 that would be great and also if you had any other ideas as to what it might be that would be great to. Thanks
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Saturday, February 9th, 2008 AT 11:26 AM

3 Replies

Tiny
2CARPRO JACK
  • MECHANIC
  • 11,533 POSTS
Firing order is 1 5 4 2 6 3 7 8, in a counter-clockwise rotation
Cylinders are numbered 1 2 3 4 pass side and 5 6 7 8 drivers side
Number one should be marked on the cap. You might have a stuck injector, seen that before when something sits for a long time
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Sunday, February 10th, 2008 AT 8:35 AM
Tiny
RUSTY55
  • MEMBER
  • 3 POSTS
This firing order didn't work now it wont start at all.
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Sunday, February 10th, 2008 AT 4:43 PM
Tiny
2CARPRO JACK
  • MECHANIC
  • 11,533 POSTS
Is it a HO 5.0? Then it is
1 3 7 2 6 5 4 8
same as a 5.8 L the cylinders are numbered the same
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Monday, February 11th, 2008 AT 7:07 AM

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