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What can i do Mazda B2200 will not idle but does ok when the engine is revved it was cutting out at high speeds last week but idling fine?
Wiki User
∙ 12y ago
First do a tune up! Things like new wires,plugs,pcv valve,air filter,distributor cap and rotor button and even the oxygen sensor.Now next remove the entire air cleaner assembly and clean the carburetor with carb cleaner and (suggest using brake cleaner on the linkage ONLY) and then lube it with liquid wrench.Next remove the egr valve directly below the carb has one vacumm line,one electrical plug and has 3 10mm bolts that hold it in place.Note make sure when you remove this you NOTE how the metal gasket on the egr is placed.Just clean this with a small brush and sandpaper,cordless drill brush, with some brake cleaner or carburetor cleaner to clear the carbon buildup out.Reinstall the egr.Now if the truck still runs poorly at idle it could be the exhuast collector just below the exhaust manifold is blocked up,or blocked up catalytic convertor or even the air to fuel valve is defective(which is on the carburetor itself).Start with the tune up,clean the egr valve and repost on this post with the discussion area for a update after you do this and no change or improvement).The year model may be relevant if the truck is fuel injected,because of the specifics is it is not carburated being some b2200 series are not.
Wiki User
∙ 12y ago
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