I've changed everything.... Cat, distributor, wires, plugs, Coil, carburetor, filters. It goes for a half mile, then starts to lose power and shake. Pull over, wait a few seconds, then it accelerates like normal until it starts it all over again. I' ve changed everything... cat, filters, coil, wires, distributor, carburetor,... nothing changes. I squirt gas into the carb when on the road, makes no difference. '84 Dodge van.
I've put in a points distributor and wired it direct to the battery. No difference. The fuel pump puts out impressive pressure and volume. It squirts real well. I've shut the engine and pulled over and pulled the top of the carb and the fuel level is right up where it should be. Changed the float needle valve.
I've always been able to fix my mechanical problems.... not this one....
2007-12-05 12:43:00 · 5 answers · asked by cf_fills 2 in Cars & Transportation ➔ Maintenance & Repairs
I see no mention of any checking or replacement of the timing chain. They stretch and wear and make engines do things like run that way.
2007-12-05 13:07:21 · answer #1 · answered by Tom 6 · 0⤊ 0⤋
Ah, the Dodge vans. They either work great for life, or they give you problems for their life. Now, one thing you COULD have wrong is your fuel pump could be too powerful. Say what you ask? Okay, if your getting a lot of gas out of the pump when the van's running, the carburetor CAN be getting MORE fuel than it needs, which will result in shaking, shudders and power loss. Most vehicles made in the later 1980's were made with a "fuel return line" for the carburetor's AND the Throttle Body Injector's that every vehicle manufacturer world-wide used at one point in time. So, with that in mind, check to see if the gas tank (yes, you'll have to lift the van in the front and back to do this as well as drop the gas tank too) has a return line set up that isn't being used. If so, then all you need to do is connect it(there should be a return line on the carb that's been blocked off either with a hose cover or a screw cover style cap). If not, see if you can get the smaller in-tank fuel pump from the parts store OR the dealership if the part store doesn't have it. If that isn't it, then it's got to be something in the engine itself. Being it's an early 1980's Dodge van, I'd say the engine is WAY overdue for a total rebuild. But then, that's just me.
2007-12-05 21:01:28 · answer #2 · answered by mangamaniaciam 5 · 0⤊ 1⤋
Restricted exhaust is the first thing that comes to mind. Drop the exhaust manifold a bit and drive it. One sure way to tell, and won't cost a penny.
2007-12-05 20:57:36 · answer #3 · answered by Anonymous · 1⤊ 0⤋
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Frank
2007-12-07 21:06:48 · answer #4 · answered by Giovanni 3 · 0⤊ 0⤋
could be a transmission problem or an intake leak
2007-12-05 21:03:01 · answer #5 · answered by wditt2 4 · 0⤊ 0⤋