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Old 07-18-2012, 04:54 PM   #1
Join Date: Jul 2012
Posts: 6
High idle at start then wants to die once warm?

Hello all. I have a 90 yj 4 cyl 2.5 tbi with the problem mentioned above. It also guzzles gas, we're talking 5 mpg. I've replaced all the sensors, plugs, wires and fuel filter. I just wanted to check around for some opinions before I went all out and threw a new $140 injector at it. I also took it to a mechanic who said he thought it was the fuel pump but wanted over $400 to replace it. I said no thanks. I called a supplier of fuel pumps to order one and try to install myself. They basically steered me away from ordering one because it just didn't sound like a fuel pump problem to them. Any help would be appreciated. Thanks.

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