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Old 04-17-2011, 07:56 PM   #6
dropd80s
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Join Date: Mar 2003
Location: wichita falls tx
Posts: 429
Re: '87 suburban won't ide in gear?

I'd guess the fuel pump. Also if you decide it is the pump might drop the tank and check the wire connections in the tank. I had one quit on me. I cleaned the in-tank contacts and she fired right up. The lower quality fuel now days can cuase some corrosion. This causes a lot of sending unit problems too.
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