Why would my car have engine knock for the first time after and oil change?

10

Asked by May 25, 2017 at 08:11 PM about the 2010 Dodge Grand Caravan SXT

Question type: Maintenance & Repair

I just got my oil changed at the shop.  On the way home it started to engine
knock for the first time ever.  What would make this happen?

5 Answers

12,815

If the knock senor was disturbed when the oil change was performed...First check I would do...visually confirm its not broken or unplugged. located near the oil filter.

2 of 2 people found this helpful.
74,445

Low oil level. Check to make sure they put oil in the engine.

2 of 2 people found this helpful.
10

Thank You! I did check to see if there was oil. It was a new Mechanic and I wondered if he put in the wrong oil. I will check the knock sensor!

1 of 1 people found this helpful.
69,335

If your check engine light is on too I'd suspect the knock sensor. If not definitely check the oil level and pay close attention to the warning light or gauge on the dash. It is possible that if this vehicle has been neglected and not had an oil change in a very long time the new oil could be stirring up sludge and junk in the engine and clogging up the oil passages. HTH. -Jim

1,885

maybe some idiot at the shop fired it up before putting the oil back in .

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