Trouble Startin

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Shwagy357

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This morning when I tried to fire up the bronco, I noticed a very slight hesitaton before she cranked right up, I did not think anything about until I got to the gas station and tried to start it again. When i tried to start it again it would not crank. It was turning over and I could hear the fuel pump (SEFI) running. It was turning over but not cranking. So now I am at work, and the Bronco is sittiing at the gas station. The Bronco has ran great for over two years now since I completed the EFI conversion. I have not driven the Bronco in about a month, but I have been running the engine in the driveway (I fired her last week). I was just wondering were I should start trouble shooting, any suggestions would be greatly appreciated.

 

Bully Bob

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Just went thru this with a recent post....start by check'n the ignition...could be as simple as a wire off coil, etc.

Timing....dizzy could be loose ,-- or -- a worn timing chain issue...

All are a pretty easy fix. BUT...sounds like what mine did when the timing chain & gear breathed its last bit of life.

B

TX'73 below post has a good point.....are you sure it didn't run out of gas right there at the station..? Some FI systems can't live with that. That, & a fuel pressure test may be in order.

 
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TX '73

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May be not getting enough fuel eventhough you heard the pump - or flooding ???

 

Broncobill78

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Sounds like your starter's going south. When they start to die the internal resistance increases and it takes more & more voltage to spin it. This usually manifests itself as a hesitation when you turn the key and then it starts to sound/feel like the battery is low. Jumping will help because of the boost in juice but the root of the problem is the starter. The problem usually gets worse & worse until it eventually refuses to start.

 

BroncoJoe19

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Please re-write your post, and more fully describe what is, and is not happining. Please do not use the words FIRE, CRANK, and turn-over, unless you define what they mean to you first.

I innitially skipped your post when I read this... It was turning over but not cranking. Cranking and turning over mean the same to me.

BroncoBIll78 is going down the bad starter path, and the other guys are going down the fuel and or ignition path. IF you better describe the symptoms, then we will know which path is more likely the one to take, and we can better help you out.

This morning when I tried to fire up the bronco, I noticed a very slight hesitaton before she cranked right up, I did not think anything about until I got to the gas station and tried to start it again. When i tried to start it again it would not crank. It was turning over and I could hear the fuel pump (SEFI) running. It was turning over but not cranking. <snip>
 

Bully Bob

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Ha..!

Ya Joe..., I had to read it twice as well .., but, he means the eng. is going "roundie-round" but "no fire in the hole"..!

Sounds like the starter is fine.

Probably won't hear fr. 357 again...that was 3 days ago...he's prob. out climbing hills by now.... :p /emoticons/[email protected] 2x" width="20" height="20" />

 
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Shwagy357

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Sorry about the terminology issues. I attempted to reply to this thread Friday night, but experienced technical difficulties. I went down to work on the bronco Thursday night and tried to start the engine, the engine started right up. I am thinking it might be a wiring issue. Thanks for all your input and again sorry for the delay.

 

fbnwest

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Give it a few days before you assume it is back to normal. I had a similar problem. One day it started normally. Later that day it sounded like the battery was dying. Next day it wouldn't start at all. Kicked the tires and left it alone. Next morning it started right up. Repeat this process over a few days of me chasing my tail fixing every ground and wire I could get ahold of. Seems like I would have it fixed and it would come back to haunt me.

I don't have a fix for you, as my tranny went south (literally) before I could be sure. I will say though when we put it on lift to check tranny the starter was toast. I was just throwing my two cents in to let you know it could still be your starter and it's waiting to catch you at the wrong moment. Carry jumper cables!

 

rodsteal

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It's proabably the EFI. Take that off and put the carb back on. :lol:

JK, you would have had to been here a couple weeks ago to undrstand the heated debate. At least we can all laugh at it. right?

 
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Shwagy357

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Finally, got an opportunitty to play with the Bronco today. I went out and it started right up. I turned it off and started it again, I repeated this procedure 5 or 6 times, It started everytime. I then started it and left it running for about 20 minutes, then turned it off and tried to start it. It would not start after I let it run for 20 minutes. So I left it alone for about two hours, and attempted to start it again, and it started right up.

 

BroncoJoe19

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Finally, got an opportunitty to play with the Bronco today. I went out and it started right up. I turned it off and started it again, I repeated this procedure 5 or 6 times, It started everytime. I then started it and left it running for about 20 minutes, then turned it off and tried to start it. It would not start after I let it run for 20 minutes. So I left it alone for about two hours, and attempted to start it again, and it started right up.
Shwagy357... welcome back!

SO what are your thoughts on this?

Is it a starter issue where once the starter gets hot it doesn't turn the engine fast enough for it to start? In other words, does the starter turn the engine at the same speed each of the first five or six times, and then again after the engine ran for twenty minutes? OR did the starter slow down a lot after the engine was warm?

 

Bully Bob

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......opportunitty to play with the Bronco ...it started ......started it again, I repeated..... I then started it and left it running ...... It would not start after I let it run ........ I left it alone for about two hours.......it started right up.
Welllll.....

Did you "do" anything...? meaning, check, test, inspect, pull a plug-wire & check for spark...squirt starting fluid in the air hole... etc.. ? (What are your mech. abilities..?)

This is always a guessing game at best....so you need to help us help you.... :rolleyes:

Some say coils either work.., or they don't , but I've seen coils act up when hot...

Just another guess... >

 

rodsteal

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Hey man, do you happen to have headers, or exhaust too close to the starter? Reason I ask is because when I went to headers it got too hot and cooked the started after about 20 minutes of driving and it would start right back up after it cooled down. Like when I would go to the store and run in, if I didn't let the started cool down it wouldn't start.

My solution was to replace the started and wrap the new one in insulation, mostly on the top closest to the headers. I used an exhaust repair kit insulation to wrap the starter. I have not had a problem ever since, honest truth.

R~

 

7bronco1

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if the starter is working fine everytime(cranking the engine at its normal speed) check for spark. If the plug wires are all attached and you still dont have spark. The gray module on the distributor is almost always the culprit. If you do have spark check fuel presure

 

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