2004 Mazda 3 Check Engine/Oil

Tiny
ANONYMOUS
  • MEMBER
  • 2004 MAZDA 3
  • 180,000 MILES
I had a service done at Mazda in mid January 2013. In February 2013 my check engine light came on and remained on. I took it to a mechanic who scanned the ECU and advised this could be the o2 sensor at the front of the car, I had this changed and not even two weeks later the check engine light came back on. The mechanic scanned it again and thinks I need to change my CAT converter. Yesterday morning I noticed the car struggled to start and then again this morning but I thought it was because it is cold. This morning I was driving to work, not even a km up the road, a loud rattling sound came from the engine, then the oil light came on, I immediately pulled over, the sound got louder as I put the car in park. There was also a whistling sound and probably metal banging together. I am unsure what the problem may be. The car has not felt abnormal over he past few days. I recently has a service done 2/3 weeks ago.
Monday, August 12th, 2013 AT 4:15 PM

3 Replies

Tiny
KHLOW2008
  • MECHANIC
  • 41,814 POSTS
Since the oil pressure warning light turned on, you should be checking the oil level. This light is not good news if I must say.
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Tuesday, August 13th, 2013 AT 12:07 AM
Tiny
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The oil appears to have be drained out after the bang sound which therefore left a puddle of oil under the car. There is major rattling. Could be an engine/transmission problem or possibly pistons.
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Tuesday, August 13th, 2013 AT 3:34 PM
Tiny
KHLOW2008
  • MECHANIC
  • 41,814 POSTS
Check under vehicle. If the oil sump is damaged, that most probably means you have a broken connecting rod and the engine is extensively damaged.
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Wednesday, August 14th, 2013 AT 1:19 AM

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