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Ford Bronco Problems

231 messages,  Last post on Nov 21, 2009 at 2:24 AM

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What is this discussion about? Ford Bronco


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#189 of 231
93 Bronco--Ignition Problem by afindly
Jan 01, 2009 (9:24 pm)
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My 93 Ford Bronco(351/EFI) quit running suddenly while idling .... have replaced the fuel filter. The Fuel Pump "Sounds" normal when turning on key to start, but have not checked further. When trying to start, engine turns over but does not fire. Checked the distributor .... cap and rotor seem functioning ok. Sprayed starting fluid (Deep Creep by makers of Sea Foam) into air inlet ... would not fire. Do you have a check-list of what to try next?? Is there an electronic module at the distributor that could fail & cause this behavior?
#190 of 231
Re: 93 Bronco--Ignition Problem [afindly] by redraider28
Jan 03, 2009 (9:04 pm)
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Replying to: afindly (Jan 01, 2009 9:24 pm)

If your rotor and distributor look good, check your coil and spark plug wires. I changed all mine out to MSD (coil, distributor, rotor, wires) and changed my spark plugs while I was at it. Runs very smooth now. If that doesn't work, your computer module could be bad.
 
Hope it helps.
#191 of 231
P.O.S 2 things by jutmac
Feb 03, 2009 (3:02 pm)
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I have a 93 bronco 5.0. I love my truck but it is always something.
First i cant get it to start. I moved it in the driveway and when i went out to drive it the next day it would not start. (1) It is getting fire when we checked. (2) when we checked the fuel rail it is getting fuel. (3) we primed it with starting fluid and it still wont catch. It turns over fine but wont start. H E L P! PLZ
Next it has a hurkey jerkey at about 30 -40 mph.
Thanks
#192 of 231
Re: P.O.S 2 things [jutmac] by redraider28
Feb 03, 2009 (7:30 pm)
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Replying to: jutmac (Feb 03, 2009 3:02 pm)

POS2,
 
Mine was doing the same thing. Check out my post #190.
 
Hope it helps.
#193 of 231
Re: P.O.S 2 things [redraider28] by jutmac
Feb 04, 2009 (12:54 pm)
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Replying to: redraider28 (Feb 03, 2009 7:30 pm)

Where is the computer module? Did this start it up AND stop the jerking?
Will try and let you know what happens
 Thanks for the input
#194 of 231
Re: P.O.S 2 things [jutmac] by jutmac
Feb 06, 2009 (12:52 pm)
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Replying to: jutmac (Feb 04, 2009 12:54 pm)

It is not the computer mod. Checked the rotor, and every thing else and still wont start. HAS GAS> Has fire and gas flow just wont start. It almost turned over and caught today twice but once again it just turns over without catching.
I am lost. Ether wont even catch it. Should i just set fire to it??
Any other possibilities that one might try??
 
thanks
#195 of 231
It runs now by jutmac
Feb 07, 2009 (9:52 am)
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Red Raider,
 I took all the spark plugs and cleaned them. It started up with a little ether. It runs a little rough though. Why is the MSD parts so expesive. Is there a cheaper alternative to changing all the parts out that you suggested?
 It also has that shudder, herkey jerkey around the time it shifts. Is that fixable. It is around 20 to 50 mph. If i gun it, it takes off fine but when I let off the gas a little it starts to shudder until i give it a steady flow of gas.
HMMMMMM
 
Jutmac
#196 of 231
Re: It runs now [jutmac] by redraider28
Feb 07, 2009 (2:31 pm)
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Replying to: jutmac (Feb 07, 2009 9:52 am)

JUTMAC,
 
Another alternative to MSD would be ACCEL, or you can go back with stock MOTORCRAFT parts. I would change the plugs, wires, coil, and dist. cap and rotor for starters. I prefer MSD for their high-end performance, but whatever you choose, all those parts should be new.
 
I'm only a shadetree mechanic, but I've had a car that jerked before and I thought it was my transmission. Turned out to be a cracked spark plug......who would've thunk it?
 
Remember, just because you're getting SOME spark, doesn't always mean you're getting ENOUGH spark. Stock coils put out about 38,000V....the MSD puts out 48,000V.
 
Hope this helps.
#197 of 231
Roaring Engine by CalExplorer
Feb 18, 2009 (11:29 am)
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I have a 94 Bronco 5.8 lit, When i turn the vehicle on the engine roars at idle like it was in a full out drag race RPM's way up at idle. Once I put it drive the engine slowa itself back down, but at stop signs it revs right back up. Any suggestions? The "Check Enigne" light is not on... Help
#198 of 231
Re: Roaring Engine [CalExplorer] by 89blackntan
Feb 18, 2009 (11:50 am)
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Replying to: CalExplorer (Feb 18, 2009 11:29 am)

MOST LIKELY YOUR THROTTLE POSITION SENSOR. LOCATED ON THROTTLE BODY AND COSTS AROUND $50.

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