Question about 2003 Mazda Protege

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'03 mazda protege 5 smokes only on start

Car smokes, white smoke, only when cold started, after 4 plus hours. No smoke any other time. NOT losing ANY coolant, not burning oil. NOT head gasket problem. I am stumped. Any ideas?

Posted by Anonymous on

6 Suggested Answers

6ya6ya
  • 2 Answers

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Posted on Jan 02, 2017

chiquititas
  • 1010 Answers

SOURCE: Blue Smoke on starting, and also straining uphill Mazda Protege

The problems with the exhaust valve and the failed piston are probably due to that cylinder running lean. Check the fuel injector for that cylinder and also look for vacuum leaks that would affect that cylinder. We do not think the wrong heat range of spark plugs would cause the problem you describe.

Posted on Jun 29, 2008

Mike258
  • 1498 Answers

SOURCE: white smoke at startup

Hi michelle,

Smoke signals:

  • White smoke = water vapor
  • Blue smoke = Oil
  • Black smoke = unburnt fuel
If it's only white smoke and it's only on start up (when its cool) its most likely condensation burning off from inside the exhaust pipes, manifold, muffler, etc. If water was in the cylinder(s), on the spark plugs there would be no smoke, exhaust or a running engine.

If oil was leaking into one or more cylinders the smoke would be blue.


There are things you can check for:
  • Is there any loss of power? Does it start and drive normally with no odd sounds or symptoms?
  • Check your coolant level daily (do it safely, never when hot, OK?). Is it dropping?
  • When you check the coolant, do you see any oil mixed in (floating on top)
  • Check your oil level. Is it dropping?
If you answered no to all of these, whats the problem?

As far as your friendly mechanic is concerned:
  • Has a compression test been performed? on each cylinder? What were the results? Get it in writing.
  • Better yet, take it to someone, anyone else for a second opinion. If you have a friend that tinkers with cars, have them perform the same test. see if they match.
  • If you need to bring it to another shop, don't tell them something is wrong. (I'm sure you understand why)
  • A good story is: you can no longer afford it, you are putting it up for sale and to avoid any complications you want to document the engine was recently checked out (specify you want a compression test to be performed as part of this). Since you are trying to get rid of the car, it's less likely a different 'Problem' will appear ;-), Get it? We want straight answers. See what they come up with.
I don't like to speak ill of someone I've never met, but from what you've posted, something smells fishy. You don't replace an engine because of a known blown head gasket. I'm not convinced yet that this is your problem. If it was, I'd be replacing the head gasket, not the engine.

It's unlikely anyone trying to sell you a $7,000.00 engine based on what you've described is looking out for interests other than their own.

Ask around, friends of friends, find someone trustyworthy. Get a second opinion, a third. It's a LOT cheaper than a new (yeah right) engine. Sorry about the sarcasm, but how would you know that it was new?

Please reply to me with a full list of symptoms, the results of your tests and any other details on whatever you may consider pertinent. This will help me help you.

But my most immediate advice is:
  1. Don't buy this engine
  2. If your car is in their shop, get it out, ASAP.
  3. Get a second impartial opinion.
These may be reputable mechanics, but every warning light in my head is screaming RIP OFF!! Don't let it happen!

I sincerely hope this helps you out.

Mike

Remember: Good things come to those who Rate!!

Posted on Sep 05, 2008

MrScary66613
  • 1990 Answers

SOURCE: 1994 mazda protege overheating fast

You need to Change the Thermostat.

Posted on Jan 03, 2009

  • 1584 Answers

SOURCE: white smoke on start up on 1998 mazda 626

Hi
Lots of things to check
?Leaking head gasket
Does it use brake fluid
Start engine only fo a few seconds, shut down, remove all spark plugs to see which ones are fouled

Posted on Aug 11, 2009

  • 104 Answers

SOURCE: mazda protege 96 very hard to start when cold,

check the mas air flow sensor(is this the 6 cyl) the sensor has a problem with the nose piece inside not moving enough to tell the ecm the propper air flow for the cold start,also check throttle valve for dirt build up around it-if its a four cyl repost

Posted on Oct 05, 2009

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