15 Reasons Why Are Cold Starts Louder?
Why Are Cold Starts Louder? The reason a cold start is louder is because the ECU is trying to warm up the catalytic converter. This causes the engine to run a little lean and idling high to make it go …
Why Are Cold Starts Louder? The reason a cold start is louder is because the ECU is trying to warm up the catalytic converter. This causes the engine to run a little lean and idling high to make it go …