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1991 suburban starting problem

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Old February 22nd, 2009, 10:06 AM
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Angry 1991 suburban starting problem
well i have a 91 suburban just put in a 93 tbi 350 and 4l60e. the problem is it starts and then stops if i hold the gas in a little bit it will stay running if i let off it dies. any help would be great I also put in wiring and fuel pump out of 93 that did run perfect
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Old February 23rd, 2009, 2:31 AM
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If it is fuel injected, check your idle air control valve. If it doesn't open, it can't idle.

If it is carbureted, check there.
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Old February 23rd, 2009, 3:35 PM
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will have to have a look every thing worked fine in the other burban i pulled motor and tranny as one unit and all wiring
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Old February 23rd, 2009, 4:58 PM
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put in new fuel pump and filter still no luck i about done anybody want to buy a 91 4x4 with 93 motor and tranny
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Old May 1st, 2011, 10:47 AM
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is the timing right?
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