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Engine performance

Tiny
RWILLARD
  • MEMBER
  • 2001 MAZDA TRIBUTE
  • 6 CYL
  • FWD
  • AUTOMATIC
  • 137,000 MILES
Rough idle and caused converters to pluged up on a 2001 mazda tribut 3.0L and cylinder 4 and 6 do not change the running of the engine if unhooked but you unhook cyl 5 the engine dies. The plugs are new and the converters and oxygen sensors have been replaced
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Monday, February 14th, 2011 AT 10:33 PM

1 Reply

Tiny
KHLOW2008
  • MECHANIC
  • 41,814 POSTS
Cylinder 4 and 6 are not firing. Get a compression test done.
Try swapping the fuel injector with cylinder 5 and see if problem migrates.

Misfiring would result in the catalytic converter glowing red hot and prolonged driving under such conditions would damage it.
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Tuesday, February 22nd, 2011 AT 3:46 PM

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