2006 mazda 5 2.0 smoking

popeye4th

Member
Bought a obd scanner had it plugged in to test the coolant temperature and today temp went to 100c and fan kicked in so thats kind of good but for some reason the revvs was 1000 and back to 750 up and down and out the back white or gray smoke not too sure but it looked like an Indian doing smoke signals. any recommendations to what it might be. I've been reading on mazda site something about when you do any work on mazda like oil change or changing sensors you have to reset the ecu is this true?
so far I've changed
oil
oil filter
diesel filter
air filter
cleaned the sensor on the air filter
new temp sensor
new thormastat
new fan control unit
I've tried look for the PCV to see if this is the problem also someone on another post said about glow plugs causing smoke and the relay. i know from experience glow plugs heat the car when its cold so it starts.
my coolant and oil are fine no leaks. air pipes are good no rips. car has good power. its not steam.
I've ordered a block tester to see if i have head gasket leaks but ill updat on that. thanks for any info.
 
Hope someone from Europe can help, we don't get diesel in US/Canada.
Sounds bad as you can hear ppl coughing like crazy in the back.
 
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