Engine noise

2006 CHRYSLER PACIFICA
160,000 MILES • 6 CYL • 4WD • AUTOMATIC
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WILDCATGIRL83
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The oil and check engine light came on. Had the oil changed took care of that light, so my fiancé put his code reader on it and came back with a misfire code. So my fiancé changed three front spark plugs. When we went to turn the vehicle back on it does this constant repetitive vroom noise and when you push down on the gas it almost makes it shut off or idles low. Never had that noise or problem before the light came on. Not sure if he did not do something right or why it is messing up. He tried putting it in gear as well and the noise gets worse.
Jul 5, 2018 at 12:29 PM
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STRAILER
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It sound like something metal when down inside the engine. Can you please make us a quick video with your phone and upload it here so we can hear the noise that way we can be sure? Also, check the level of the engine oil.

Cheers, Ken
Jul 6, 2018 at 2:51 PM