lt1 dies when hot

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11-08-2005, 05:47 AM

lt1orls1

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Join Date: Oct 2005

Posts: 15

lt1 dies when hot

my grandfather has a buick .... roadmaster i think. well anyways it has an lt1 engine in it. when the car gets hot it just randomly dies until it cools down again. Is this the optispark ?

11-08-2005, 06:35 AM

Hotwire

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Join Date: Nov 2001

Location: Summerfield, NC USA

Posts: 719

Re: lt1 dies when hot

could be the idle air controller passage way is getting gunked up, when it heats up it's binding and can't keep the correct amount of air going through to keep the engine at idle. just throwing out a maybe. good luck.