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<blockquote data-quote="Yee Sang" data-source="post: 51196" data-attributes="member: 795"><p>One crank and its vroom......no problem with cold start. When drive in the morning the car is perfect/power. But when normal temp in a hot day, sound is very noticable, especially stop at traffic light. Also feel car lost power when accer too. I believe somewhere in the engine part is over heating. Can it be not the valves sound? Any of the vacumm hoses plugged proper places? water pump? </p><p></p><p>Radiator not overheating - temp normal.</p><p></p><p>mechanic had done and tuned the engine to optimum.</p></blockquote><p></p>
[QUOTE="Yee Sang, post: 51196, member: 795"] One crank and its vroom......no problem with cold start. When drive in the morning the car is perfect/power. But when normal temp in a hot day, sound is very noticable, especially stop at traffic light. Also feel car lost power when accer too. I believe somewhere in the engine part is over heating. Can it be not the valves sound? Any of the vacumm hoses plugged proper places? water pump? Radiator not overheating - temp normal. mechanic had done and tuned the engine to optimum. [/QUOTE]
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