Question about Mazda B-Series

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I have a mazda b2500 ute which i have just brought.it has new glow plugs and i think a new head.in the mornings it glows fine and starts easy,but then starts to run roughly and smokes constanly.once it warms it fine.it uses no oil or water.motor is 2.5l turbo diesel,year 2000.thanks

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I think this may be normal. The glow plugs are only times for a short duration, and it should not require them very long. Otherwise they would burn out and require replacement all the time. As long as it is fine once it warms up, I would not worry. But if it takes too long to warm up, you may have a bad thermostat. Check by feeling the radiator hoses on a cold engine. One should slowly get warm, while the other should stay cold until it suddenly get hot. If they both slowly get warm, the thermostat is always open.

Posted on Sep 09, 2010

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