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#1 |
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![]() Hey guys. I've been trying to help a buddy of mine tune-up & pin point an on going problem that he's been having. We have done the following: new fuel filter, new spark plugs, new cap & rotor, and ran a couple of bottles of Chevron fuel injector cleaner through the fuel system. That being said...here is a description of the problem from the owner of the Bronco.
"When I start the truck, if I just turn the key and let go it'll turn over for a split second and stall instantly. So, I have to force gas in the system to keep it going. If the truck is cold and hasn't started for a while or especially in the morning this will happen every time. I usually gas it up to 1000 RPM's to keep it going. If I let off the gas it'll stall again. Basically I have to keep gasing it at 1000 RPM's or more for about a minute or two before it'll idle on it's own. Once the truck is warm it'll start up no problem from then on. Only when the truck is cold it will stall every time and won't idle on it's own until I forcefully warm it up. That's pretty much my diagnosis for my Bronco. If anyone can help figure this out that would be great." We're still in the middle of the 'ol process of elmination theory, to help us find the problem. Next on the list is new spark plug wires, removing & thoroughly cleaning out the throttle body & EGR (along w/ the sensors), checking fuel pressure & timing, & bumping up the idle some. The idle seems a little low right now, but not much. I really don't think the problem is the low idle though. Could a clogged catalytic converter cause something like this? What else do you guys think it could be? Any ideas welcome! Simi- Last edited by Simi Stang; 01-16-2003 at 04:15 PM.. |
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#2 |
Junior Member
Join Date: Mar 1999
Location: Ventura, California
Posts: 8,981
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![]() It's the IAC solenoid, more than likely.
Take care, ~Chris
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Webmaster: Rice Haters Club Jim Porter Racing Peckerwoods Pit Stop Support Your Local
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#3 | |
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![]() Quote:
Thanks- Simi |
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#4 |
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![]() PKRWUD-
Are you out there?? |
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#5 |
Junior Member
Join Date: Mar 1999
Location: Ventura, California
Posts: 8,981
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![]() The timing should be 10 mdegrees advanced, and the spout connector should be below/around the drivers side hood hinge. The IAC is the Idle Air Control solenoid, and is a cylinder bolted to the side of the throttlebody.
Take care, ~Chris
__________________
Webmaster: Rice Haters Club Jim Porter Racing Peckerwoods Pit Stop Support Your Local
RED & WHITE! |
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#6 |
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![]() Thanks PKRWUD. You rule!
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