Question about 1998 Chevrolet K1500
98 chevy 1500 pu loses power when it warms up, new coils new ignition module new plugs new wires no change, runs great when you first start it, when it warms up, idles ,no power,bogs down at 2000 rpms ,exhaust open
Sounds like an ECU fault.one of the chips is breaking down when the units warms up
Posted on Nov 04, 2008
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Posted on Jan 02, 2017
SOURCE: 1998 chvy 1500 loses power
check the intake gaskets. in the middle front and middle rear. If they are oily, it more than likely sucked part of the gasket in. When it warms up the leak gets bigger. The easy way to check is to get some carb cleaner and spray all around the intake while idling and warm. DO NOT SPRAY ANY EXHAUST PARTS , carb cleaner is combustible. The truck should stumble or even shut off when spraying with the carb cleaner if there is a leak.
Posted on May 03, 2009
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