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Mazda 626 Troubles

2476 messages,  Last post on Nov 12, 2009 at 12:00 PM

You are in the Mazda 626 Forum. Your Hosts are pat & karens

What is this discussion about? Mazda 626, Sedan





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#2436 of 2476
Need to find thermostat on 2002 V6 HELP!!! by caseysdubs1
Oct 23, 2008 (12:10 pm)
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Hey , I'm needing to check the thermostat on my 2006 V6 but don't know where to look. I need to know how to get to it and remove it. Can anyone tell me and hopefully post a pic or link? I'm new to working on cars so please be direct.
 
The problem I am having is that the heat blows cold when at idle and the temp gage is all over the place. Heat works fine when accelerating but at a stand still, nada.
Added coolant but problem persists.
 
P.S. Should there be more than just a few ounces of coolant in the overflow? Also, when I remove the cap, there is none showing at all. Should I be able to see some? Maybe I did not add enough.
#2437 of 2476
Stalling by hawko
Oct 28, 2008 (4:11 am)
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I have a1994 626 hatch, i bought it 13 months ago, it stalls when turning right, when the fuel is low, the more i accelerate ,the quicker it stalls, i've asked several mechanics & none seem to know what is wrong, up until recently, so long as i kept fuel level above a quarter it was ok, but now it's doing it even with plenty of fuel, any advice would be appreciated
                                         ty Dave
#2438 of 2476
Re: 1994 Mazda 626 LX Overheating [cmazda1994] by kellij2
Oct 28, 2008 (5:13 am)
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Replying to: cmazda1994 (Oct 18, 2008 10:09 pm)

OK so I have the same car you do but it is a 99. I had the same problem and didn't see that i was leaking anything, but check the overflow tank, meaning the plastic containter you pour your antifreeze in. I had a slight crack underneath it that I couldn't see my mechanic did. I replaced that and my car doesn't run hot anymore. When I did this, my problem went away. hope this works.
#2439 of 2476
Mazda 626 with "fried motor" by okieopie
Oct 29, 2008 (7:09 am)
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Just got off the phone with a mechanic who claims that the motor in my 2001 Mazda 626 is "fried". The car has 115,000 miles on it. I want to check with you all to see if you think he's right.
 
Here's the situation:
 
Saturday, I drove my car on a 100 mile trip with absolutely no problems. Pulled it into the parking lot and went to bed. Early Sunday morning I started the car and immediately the Check Engine light flashed twice. There was little power in the engine and a "rattling" sound from under the hood (right side). I had to get to where I was going so I went ahead and babied the car along (very little power) until it finally wouldn't go any further. I know that it was an idiotic thing to do and I'm probably paying the price. Since I am out of town I had it towed to the nearest garage and they have been working on it since Monday.
 
Monday, the mechanic told me the plugs were fouled and said that the car needed a tune-up. Said that he was going to replace the plugs and the ignition wires. I told him that I didn't think that was the problem, but he insisted that he needed to do it to get it to run.
 
Tuesday, I checked with them and they said that the new plugs fouled immediately when trying to run the car. Said that he was going to try to do a wet and dry test (I think he means a compression test).
 
Wednesday (today), he said that air was being sucked in through the exhaust and that the engine was "fried". Said that the oil was 2.5 quarts low when it was towed in (though when I checked it, it showed full). They're supposed to get me a price for replacing the engine.
 
If the engine truly is blown, so be it... But I can't figure out why the car would run absolutely fine on Saturday and then have a catastrophic failure on Sunday. If anyone would like to offer their opinions or their sympathy on the loss of my beloved 626, I would be grateful!
 
Thanks!
#2440 of 2476
Re: Mazda 626 with "fried motor" [okieopie] by Mr_Shiftright HOST
Oct 29, 2008 (8:56 am)
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Replying to: okieopie (Oct 29, 2008 7:09 am)

It's hard to say without an autopsy and unless the mechanic has those X-ray vision glasses you used to be able to order from comic books, he really doesn't know the full answer either. I realize you are only able to pass on info second hand but it doesn't quite add up, as you say. The plugs were fouled with what? oil? gas? That would be good to know.
 
Air sucking from the exhaust? How did he determine that?!!
 
I think I'd do a "cylinder leakdown test" before tearing into this engine, unless the mechanic can take a part and stick it under your nose for you to see some horrendous damage.
 
Possibilities? cracked head? Loss of oil during the night, resulting in engine damage while being run? Leaking injector filled crankcase with gasoline, washing cylinders of oil causing damage?
 
How is the whole engine "fried"? Top and bottom? All the parts are bad? Has he pulled the cylinder head off?
 
Way too little information here.
#2441 of 2476
Re: Mazda 626 with "fried motor" [Mr_Shiftright] by okieopie
Oct 29, 2008 (9:12 am)
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Replying to: Mr_Shiftright (Oct 29, 2008 8:56 am)

Thanks for confirming my suspicions. To answer a couple of your questions...
 
There was no loss of oil in the parking lot during the night. The car showed symptoms immediately upon starting (the flashing check engine light, loss of power).
 
I'll check with him what he means when he says the plugs were "fouled" -- He showed me one of the plugs and it did look black and burned. From what he was saying to me, it seemed that he was meaning that it was fouled with gas that wasn't burning off.
 
As far as the other questions, I'll ask him about those magical glasses
 
Thanks for your help...
#2442 of 2476
Re: Need to find thermostat on 2002 V6 HELP!!! [caseysdubs1] by gyates
Dec 18, 2008 (2:22 pm)
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Replying to: caseysdubs1 (Oct 23, 2008 12:10 pm)

I can help you some. My daughter has a '99 V6 that I just had the thermostat replaced in. It is located below the air intake box (where the air filter is). I understand they had to remove the box, remove the coil pack to get to it because it is on a lower hose.
 
I would also suggest you check the coolant reservoir bottle closely. Hers developed a leak (very common, it is plastic). I had to go to Mazda and buy a replacement. Very easy to replace though. The reservoir tank should be full to the "max" line.
#2443 of 2476
Re: 99 626 Idle Surge [askperry] by gyates
Dec 18, 2008 (2:26 pm)
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Replying to: askperry (Sep 11, 2008 8:21 am)

Follow-up. Apparently the idle issue was something electronic, though I do not know what. I had to pull the battery cable for something else, and after doing this, the idle is now perfect and has been for the past 3 months. So, I have no clue what the issue was, but it is now resolved.
#2444 of 2476
Car wobbles, burning smell, engine light by jaganrvce
Dec 25, 2008 (10:45 am)
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My car Mazda 1997 626 4 cyl Two Wheel Drive Automatic 73000 miles was working great until all hell broke lose. Suddenly the car started shaking noticeably with a strong rubber burning smell. The car would still drive but the engine would make strange noise but would not turn off. The shaking reduces visibly if put in neutral gear. The heating does not show any heating etc. Also, the engine light has started to blink. What could be the problem here? Is it a transmission problem?
#2445 of 2476
Re: Car wobbles, burning smell, engine light [jaganrvce] by puttering
Jan 01, 2009 (11:59 am)
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Replying to: jaganrvce (Dec 25, 2008 10:45 am)

Your description of the symptoms is hard to comprehend, A rubber burning smell might be a tire rubbing on something, or a belt or hose slipping or melting. Shaking stopping when put in neutral might be a lot of different things rangeing from an engine not running right, to a bad motor or transmission mount, to a transmission problem or axle problem, maybe a bad ball joint also. You could go to an Autozone or Advanceautoparts store, and they will loan you for free, a code scanner that will plug into your dashboard, and give you a readout from the car's computer as to why the check engine light is on.

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