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Mazda 323 Hatchback keeps switching off as soon as I stop accelerating.

Tiny
RETROKIDBMX
  • MEMBER
  • 2001 MAZDA 323
  • 280,000 MILES
Hi

My Mazda 323 keeps switching off while I drive at any speed totally randomly.I had the battery and alternator tested and they Ok.I replaced the coil and plug wires aswell as spark plugs. Also sometimes when I drive if I stop accelerating the car will switch off. What could be the problem?
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Monday, September 19th, 2011 AT 1:07 PM

3 Replies

Tiny
JACOBANDNICKOLAS
  • MECHANIC
  • 109,709 POSTS
Check for major vacuum leaks, check idle air control valve.
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Monday, September 19th, 2011 AT 6:26 PM
Tiny
RETROKIDBMX
  • MEMBER
  • 2 POSTS
THanks, Ive checked those and there was a bit of a vacuum leak, thats been sorted, the car doesn't switch off as much anymore, but lately its starts to***** a bit while driving and then switches off.I was wonderring if it could be related to 1 of my spark plugs not working properly?
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Sunday, October 2nd, 2011 AT 12:21 PM
Tiny
JACOBANDNICKOLAS
  • MECHANIC
  • 109,709 POSTS
No to the plugs, but check fuel pump pressure. It could be weak.
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Sunday, October 2nd, 2011 AT 8:02 PM

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