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89 d100 turns over but wont start
04-09-2010, 09:26 PM
Post: #1
89 d100 turns over but wont start
i have a 1989 dodge d100, a couple of days ago it stalled while i was driving on the highway. it wouldnt restart. i recently changed the fuel pump(4 months ago) cap, rotor, plugs, wires( 1 month ago) i just changed the fuel filter, pvc valve, some of the rubber fuel lines( today). the truck turns over, but doesnt start. if i spray starting fluid directly into the carb it starts until the fluid is burned up. carb cleaner has the same results only it lasts maybe a minute longer. the engine is the v6 w/ holley carb( not sure of the model# it is a 2 barrel) im not much of a carb guy, all of the other cars ive owned have been fuel injected. im kinda at a loss. i do know im getting fuel to the carb. any suggestions? thanks in advance.
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04-09-2010, 09:47 PM
Post: #2
RE: 89 d100 turns over but wont start
Just a wild guess but it sounds like the fuel isn't making it to the carb and if you have started replacing rubber hoses because they are cracked or rotten perhaps it's time to look out back by the tank and along the frame rail to see if there's a fuel hose "sucking air" that may be to blame.

Oh, while you are checking things be sure there's gas in the tank and the gas cap vent is not clogged.

Just read the post again and you say that you are getting fuel to the carb so I have to ask if it's getting INSIDE the carb where it counts?

Since I don't know which carb you have all I can say is you will need to find out what's keeping the fuel from filling the float bowl. Is there a filter on the side of the carb? A stuck float? A stuck needle valve? A clogged jet? Is it really a carb or is it a "throttle body" which looks a bit like a carb? (Holley makes both)
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04-09-2010, 09:58 PM (This post was last modified: 04-09-2010 10:18 PM by suprstrjd.)
Post: #3
RE: 89 d100 turns over but wont start
you know now that you said that i checked the haynes and it is a throttle body ill check the injectors and relays in the morning
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04-13-2010, 03:19 PM
Post: #4
RE: 89 d100 turns over but wont start
in your carb there is a diaphram there is a chance that the diaphram is bad that would cause it not to start
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