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Hi- I’m a long time Mazda owner and a brand new member here and could use some insight. I’m about to get rid of my 98 Protege. I’ve had it for 21 years and it’s been great for about 18 of them, but after 250k miles it’s time to move on.
So today I’m looking at a 2006 6 wagon with 145k miles and I’m wondering what I should be on the lookout for. Any known issues with that model at that mileage? Any and all advice is appreciated! Thanks!
 

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Welcome to the forum!

Things I can think of off the top of my head:

- The V6 likes to start to eat a little oil around 150k miles, so keep a good eye on it and you'll be fine.
- Precats will probably need to be gut or replaced at some point if they haven't been. Long story short, they eventually deteriorate enough to be back-sucked into the engine and cause serious damage. You can (sometimes) tell they're hurting if you smell rotten eggs around your car after using it. Means they're clogged.
- PCV Valve is like $6 and a 10 minute fix but might cause a rough idle.
- Plastic-T fitting for the coolant is quite prone to breaking. Consider replacing or doing the work-around.
- FCM (Fan Control module) might go at some point and cause fans to run at high speeds almost all the time and for a minute or two after ignition off. Don't replace with a cheap fleabay one, it'll just break again.
- Make sure the throttle body is clean because this car loves lots of clean air.
- Coil pack replacement can be a royal pain if they're located in the back of the engine.

Those are some of the bigger issues I can think of quickly. Good thing is that car is about 80% Ford parts, so things are fairly cheap to replace.

Edit: OH and if you're above the rust belt, take a serious look around the fenders for any signs of rust - notorious for this, especially from all the ding-bats who lowered so much that they needed to cut the fenders.
 

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Discussion Starter #4
Welcome to the forum!

Things I can think of off the top of my head:

- The V6 likes to start to eat a little oil around 150k miles, so keep a good eye on it and you'll be fine.
- Precats will probably need to be gut or replaced at some point if they haven't been. Long story short, they eventually deteriorate enough to be back-sucked into the engine and cause serious damage. You can (sometimes) tell they're hurting if you smell rotten eggs around your car after using it. Means they're clogged.
- PCV Valve is like $6 and a 10 minute fix but might cause a rough idle.
- Plastic-T fitting for the coolant is quite prone to breaking. Consider replacing or doing the work-around.
- FCM (Fan Control module) might go at some point and cause fans to run at high speeds almost all the time and for a minute or two after ignition off. Don't replace with a cheap fleabay one, it'll just break again.
- Make sure the throttle body is clean because this car loves lots of clean air.
- Coil pack replacement can be a royal pain if they're located in the back of the engine.

Those are some of the bigger issues I can think of quickly. Good thing is that car is about 80% Ford parts, so things are fairly cheap to replace.

Edit: OH and if you're above the rust belt, take a serious look around the fenders for any signs of rust - notorious for this, especially from all the ding-bats who lowered so much that they needed to cut the fenders.
Thanks! Much appreciated. I ended up buying it; it was too good a deal to pass up.
The FCM may be a thing to look at soon. I notice that the fan does seem to run for several seconds after turning the ignition off. But other than that it seems to be in fine shape. No leaks, hoses look good, oil and transmission fluid appear clean. It flew through the smog check without any trouble. Off to a good start!
 
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