Car Problem Reports

Mazda 626 Intake Manifold Vacuum Leak Causing Rough Idle

Mazda 626 Problem
2 Reports
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Model Year Affected: 1998

Engine Affected: 2.0L 4 Cylinder


The intake manifold gasket can fail causing vacuum a leak and/or a rough idle condition. Replacement of the leaking gasket will be necessary to correct this concern.

  • Visitor, , 2.0L 4 Cylinder, 175,000 mi

    Surged to the point of stalling. I ended up spraying carb cleaner at the point where the intake met up to the head and found when spraying the carb lceaner at the no 1 cylinder, the engine speed noticibaly changed. The Intake gasket was replaced and the issue was resolved.

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