Deposit Buildup on Throttle Body May Cause Low Engine Idle on Chevrolet Suburban 2500

Submitted by Vehicle Owner · May 29, 2025

Published by RepairPal

Problem overview

The engine idle may be lower than normal due to deposits built up on the throttle body, which can restrict air flow at idle. To low of an engine idle can result in a stalling condition. Performing a throttle body service will generally correct this concern.

4 people reported this problem

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Chevrolet Suburban 2500 vehicles with this problem

4 model years affected

1999 Chevrolet K2500 Suburban

1998 Chevrolet K2500 Suburban

1997 Chevrolet K2500 Suburban

1996 Chevrolet K2500 Suburban

1999 Chevrolet K2500 Suburban

1998 Chevrolet K2500 Suburban

1997 Chevrolet K2500 Suburban

1996 Chevrolet K2500 Suburban

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