Question about 2004 Mazda MPV

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My 2001 Mazda MPV seems to have a defective head gas kit and coolant leaking into one of the cylinder because of which that cylinder is mis firing. How big is this deal? Is this what technicians call as 'Engine re work / replace'? Am confused and concerned

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  • Fernand Luc Bergeron
    Fernand Luc Bergeron Jan 04, 2011

    engine rebuild, yes changing a head gasket is part of the engine rebuilding procedure. your engine is in need of repair or it won't work so, yes, it's a big deal

  • maneshsankar Jan 04, 2011

    Thankyou Chief for the quick response.. while checking the parts, I see that Gas kit as such is not a costly part, but I guess the labor is.. and at the moment, it gives a white smoke through exhaust when I drive. Also heard that when pressure builds up inside it can blow open the coolant pipes, creating check engine. Is there a affordable solution to this issue? I am concerned as I had already spent some amount on it.

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  • Master
  • 541 Answers

15 hours to replace both sides, shop for a price and decide if it's worth it or do it yourself but it takes some skill to do it yourself

Posted on Jan 04, 2011

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Just bought a 2001 mazda mpv coolant fluid was low refilled it & disappeared (no leak under car, etc) car temp went up to H and the cel came on. turned car off found cracked hose by battery need diag


need diag Dani, Check the attached links,instruction and guides shows all cooling components in diagram and part #'s, Good luck
"I hope this helped you out, if so let me know by pressing the helpful button. Check out some of my other posts if you need more tips and info."

2001 Mazda MPV Parts MileOneParts com

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1 Answer

The car idle in park for hours,but when drive at high rpm it heats up after a few miles and then smoke come from the exhaust?


Have the coolant checked for hydrocarbons. It sounds like a blown head gasket, but from the cylinder into the water jacket. Under higher pressure the engine heat/exhaust gases will enter into the coolant and pressurize and overheat the system. Then with the additional pressure, water vapor will bleed back into the cylinders and burn off as white smoke. This doesn't seem like a fully blown gasket, but one that has a tiny leak under higher pressure and heat conditions. It will eventually get worse.

Oct 30, 2015 | 2000 Mazda MPV

1 Answer

2001 Mazda Tribute 3.0: i have replaced spark plugs, number 4 coil, checked, recheck the gap, and now i have multiple miss fire again. a little stumped...


Unless you care to walk a new ignition coil until
you get all the bad ones, you will get the job done
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Mar 06, 2013 | 2001 Mazda MPV

1 Answer

My mazda mpv 2001 coolant leaking somewhere. Filled it Saturday full line and is at low level monday afternoon.Where is it going? Van does not overheat


1. External Leaks
You need to get the vehicle to a mechanic to check all flexible coolant hoses, hose connections, around the exterior of the water pump and the entire radiator. To do properly the vehicle also needs to be on a hoist. If there is an external leak you should find coolant dripping from the front of the car while the engine is idling and the cooling system is fully pressurized. However it depends how bad the leak is and it's location.

2. Internal Leak

If coolant is leaking into the engine this is a serious problem and needs to be identified by a competent mechanic. For example, if you have a blown head gasket coolant will blow into the engine and contaminate the engine oil. If you check the oil in the engine's sump it should be completely free from coolant contamination.
You should also check the coolant in the radiator for any signs of oil contamination. If there is coolant in the oil then there will also likely be engine oil which has blown into the engines coolant passages and then mixed with the coolant.
IF you can find traces of coolant in your engine oil (or oil in the coolant) the likely problem will be a blown head gasket and the head on the engine will need to be removed and inspected .

Blown head gaskets are usually a result of an owner allowing the engine to overheat as a result of low coolant level, failed water pump or faulty thermostat. Overheating can also cause major damage to the head on the engine.

Jan 19, 2011 | 2004 Mazda MPV

2 Answers

I need a 2001 Mazda 626 6 Cylinder Repair Guide....... does anyone know where I can download one for free??


Hi! There seems to be no site for a 2001 mazda 626 cylinder repair. Try haynes or chilltons manual from the bookstore or autoparts supply. Hope this helps and have a good one!

Jun 10, 2010 | Mazda 626 Cars & Trucks

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My 2002 Mazda MPV recently developed an engine shake when stop at intersection or driving 45mph or slower. My mechanic scanned and found OS2 code, vacuum leak, replaced the intake hose, reset engine...


You might try another mechanic if this one can't get it fixed. Shaking is usually caused by one or more cylinders mis-firing for whatever reason--usually faulty ignition or fuel injection. Has the engine had recent tune-up? Bad spark plugs/plug wiring are frequent villains. Not sure what an 'OS2' code is. Hope this helps!

May 21, 2010 | 2003 Mazda MPV

1 Answer

There is thick white smoke coming from the tailpipe when the car is running.


White smoke would indicate coolant in combustion chamber, Possible leaking head gasket and or cracked cylinder head.

Feb 08, 2010 | 2002 Mazda MPV

2 Answers

Mazda mpv overheating when driving


possible head gasket do a preasure test on the coolant system to see if it loses any coolant or presure drops and check for leaks hope this helps

Dec 02, 2009 | 2000 Mazda MPV

1 Answer

Engine light blinking in my Mazda MPV


A BLINKING ENGINE LIGHT INDICATES AN ENGINE CYLINDER IS MIS-FIRING. HAVE THE TROUBLE CODES TESTED TO DETERMINE WHICH ONE. DO NOT DRIVE THIS WAY AT HIGH SPEEDS AS IT MAY OVERHEAT THE EXHAUST SYSTEM AND CREATE A FIRE HAZARD.

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