6 Symptoms of a Bad Throttle Body You Should Know (+ the Fix)
RepairSmith
SEPTEMBER 28, 2023
In modern cars, the Engine Control Module (ECM) uses the Electronic Throttle Body (ETB) to let in air as the engine idles. Whereas, in older vehicles, the Idle Air Control Valve (IACV) mounted on the throttle body can get carbon deposits and cause a rough idle. Your car may also enter “limp mode.”
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