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Mazda 6 engine runs, RPM zeros out

Tiny
SCOTT15317
  • MEMBER
  • MAZDA
I have a 2004 Mazda 6 with 85,000 miles on it. Friday I went thru the gears getting on the interstate and when I went to 5th the engine reved and the RPM's went to 0, The engine kept running though. The check engine light did come on. When I would let up on the gas the car bucked. Whenever I shifted the RPM's would zero out although the engine was running. I took it to a garage, the oil was low, so we added oil. They thought it might be the Cam Sensor. I took it home over the weekend and went to start it both Saturday and Sunday morning and it would start and run very rough, until it the engine warmed up. I took it around the block a few times and the PRM's still hit zero when I shifted. It is in the garage now and they changed the Cam Sensor and that didnt help. Please help! Thanks
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Wednesday, November 14th, 2007 AT 1:36 PM

2 Replies

Tiny
KISLOID
  • MEMBER
  • 1 POST
Hello, I have exact the same problem. Did u fix it? If yes? Can u please tell me what's the problem?
Thx. Alot.
Andrey
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Thursday, October 16th, 2008 AT 4:18 PM
Tiny
KEN L
  • MASTER CERTIFIED MECHANIC
  • 47,643 POSTS
Yep, they missed it, the crankshaft sensor is the one you want to change here is the location to help you fix the car. Check out the images (below). Let us know if you need anything else.
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Tuesday, June 4th, 2024 AT 11:07 AM

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