Wednesday, March 21, 2018

White, blue or black smoke? The story that each colour tells

Your vehicle’s exhaust fumes can tell you a lot about the condition of your engine. What story are the fumes from your car telling? PHOTO| FILE| NATION MEDIA GROUP
Your vehicle’s exhaust fumes can tell you a lot about the condition of your engine. What story are the fumes from your car telling? PHOTO| FILE| NATION MEDIA GROUP 
By BARAZA JM
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My car is a 2003 Probox, and it has given a good account of itself. Recently, I noticed that when reversing, it emits smoke. I have tried to correct the problem but to no avail. Please help diagnose the problem if you can. Ernest

What colour is the smoke? Different colours of smoke are indicative of different things: the 50 shades of grey may indicate oil burning, as will blue smoke, while black smoke shows either your vehicle is over fuelling -running rich- or suffering from poor combustion (clogged air filter, vacuum leak).
White smoke means you are burning coolant (blown head gasket like the “100” guy from two weeks ago).
White smoke means you are burning coolant (blown head gasket like the “100” guy from two weeks ago). PHOTO| FILE| NATION MEDIA GROUP
White smoke means you are burning coolant (blown head gasket like the “100” guy from two weeks ago). Steam -sometimes confused as white smoke, the difference being steam disappears after a short time - simply means it’s cold outside and has little to do with the mechanical fidelity (or the lack thereof) of your car.
Which is the best car for tall people like me?
Hello Baraza,
I have been suffering from a slipped back disc (herniated lumber) as they call it in medical terms for almost a year now. It is quite painful and an inconvenience.  Don’t even wish it on an enemy. I am struggling to finish writing this and stand up.
After getting little relief from therapy and pain killers, I decided to seek a different opinion from a renowned Kenyan neurosurgeon.
He told me something interesting about vehicles. That Kenyans like importing used Japanese vehicles manufactured for Japanese market. 
Since Japanese are inherently short, vehicles manufactured for their market are designed to be used by short people. When a tall person uses such vehicles, they are forced to squeeze into a small space and exert unnecessary high pressure on the lower back (lumber).  Prolonged usage can cause problems such as what I am undergoing.  
Sadly for me, I have done Japanese vehicles since 2003 and I am 1.86m, which cannot be described as short.  His advice was that I should consider a German vehicle because Germans are naturally tall, and a vehicle for their market has enough driver room. He further told me that a VW Polo has better front leg room than a CRV (my current car).  He said that as one drives, hinds of the thighs need to be firmly placed on the seat (right angle to body at hips) and not raised so as to reach the pedals.
Further reading on this informs me that one needs a car with a smooth ride and not bumpy, easily adjustable seats and generally comfortable.
With the factors of generous leg room, comfortable and smooth ride and easily adjustable seats, would you recommend  a VW Toureg, BMW X5 and Audi Q7 or any other non German model that fits the bill  (2012 model).  Or even Volvo XC 90? I am not into Mercedes models as I detest the class tag that pursues it everywhere.
Thanks. Jeff

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