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2003 Mazda 6 Unknown issue fuel related/trans/engine

Tiny
PHILLI1025
  • MEMBER
  • 2003 MAZDA 6
Transmission problem
2003 Mazda 6 6 cyl Front Wheel Drive Manual

I have recently experience jerkiness when accelerating.

When I am driving uphill on cruise control, it shuts off automatically. Usually this happens with a 5th gear, 55-60mph cruise. When it shuts off, I feel as if the gears are slipping, or maybe not enough fuel is being fed.

When my gas tank has less than a quarter tank left, I can hear a hollowish Gargling sound from the back of my car, especially loud when I am making a tight turn. (Such as turning in a garage)
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Thursday, February 18th, 2010 AT 9:29 AM

3 Replies

Tiny
MMPRINCE4000
  • MECHANIC
  • 8,548 POSTS
I would measure fuel pressure with a mechanical gauge, if OK, try jacking up one side of car and measure fuel pressure again, if erratic or low, then you may have a fuel pump pickup problem (FP strainer came off, or pressure line in FP is loose).

Could also be a fuel tank baffle broke causing FP pickup problem.

Is your check engine light on?
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Friday, February 19th, 2010 AT 8:43 AM
Tiny
PHILLI1025
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Nope, no check engine light is not on. Also I would hear the hollow gargling sound before my E light comes on.
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Friday, February 19th, 2010 AT 8:54 AM
Tiny
MMPRINCE4000
  • MECHANIC
  • 8,548 POSTS
I would still jack up car at an angle to simulate a hard turn and measure fuel pressure, if low or erratic, then you would have to remove FP and inspect pickup and tank baffles.
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Saturday, February 20th, 2010 AT 8:15 AM

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