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Mazda 626 Problems

Engine Misfire Under Load on Mazda 626

Problem Description and Possible Solution

Vehicles with a V6 engine may develop an engine misfire under load (acceleration). This can be caused by a valve cover gasket leaking oil into a spark plug well, shorting the spark plug to the cylinder head. To repair this concern, the valve cover needs to be resealed and the spark plugs and wires should be replaced.

(12 people reported this problem)

Mazda 626 Vehicles With This Problem

RepairPal Fair Price Estimate
$93-$190
RepairPal Verified
Average mileage: 129,000 (129,000–129,000)
Engine affected: 2.5L V6
10 model years affected: 1993, 1994, 1995, 1996, more1997, 1998, 1999, 2000, 2001, 2002
Not Your Mazda 626 Problem?
Brake problem? Or maybe a faulty head gasket cylinder?
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