Auto

LANPE

MEMBER
2001 MAZDA TRIBUTE
6 CYL
4WD
AUTOMATIC
115,000 MILES

Shutters during acceleration on incline, no hesitation on level road. Replaced 6 plugs, install new IM gaskets, replace fuel filter, add fuel additive to full tank gas. Still have same problem. RPM indicate below 1,000. Checked with scan tool, indicates # 3 & # 4 cylinder misfiring.

2 Replies

KHLOW2008

MECHANIC
41,815 POSTS

Have the compression checked. Any cylinder that has low compression would misfire. It could be due to leaking valves. Another thing to check would be the fuel injectors. You can try swapping them with other cylinders. Do you have any coolant losses or overheating issues? Try swapping the coil pack around to see if the misfires migrates, remember to mark the coil from the misfiring cylinders.

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Wednesday, March 23rd, 2011 AT 6:08 PM

LUISPONCE

MEMBER
3 POSTS

Mazda tribute misfire and low compression

if misfire check do a compression test if fail you may have bad exhaust valve, head cylinder or gasket. Time for the big pain that cost not to check fluids

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Friday, November 30th, 2012 AT 2:10 AM