- #2368 of 2476
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Re: 626 Misfire?? [Mr_Shiftright]
by galcala
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Apr 21, 2008 (10:52 am)
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Replying to: Mr_Shiftright (Apr 21, 2008 9:38 am)
thanks Mr. Shiftright, Ill check it today. can it be cleaned with carb cleaner or the like?
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- #2369 of 2476
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Re: 626 Misfire?? [galcala]
by Mr_Shiftright HOST
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Apr 21, 2008 (12:00 pm)
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Replying to: galcala (Apr 21, 2008 10:52 am)
Yeah but that doesn't always work. There are also tests for the EGR valve which is usually vacuum operated. Vacuum leaks can be detected using a carb cleaner or a smoke machine, which you probably don't have!
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- #2370 of 2476
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Re: 626 Misfire?? [Mr_Shiftright]
by galcala
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Apr 21, 2008 (12:49 pm)
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Replying to: Mr_Shiftright (Apr 21, 2008 12:00 pm)
Thanks. Ill check it to see what can be done, as for me not having a smoke machine, well not unless you count my old ford ranchero lol.
thanks again.
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- #2371 of 2476
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Re: 626 Misfire?? [Mr_Shiftright]
by baffledinky
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Apr 22, 2008 (3:19 pm)
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Replying to: Mr_Shiftright (Apr 21, 2008 12:00 pm)
This is very similar to my original problem which has progressed into a a hesitation so bad that it is almost undriveable... What is the basic Idea behind the process of using carb cleaner to find a vacuum leak? After everything I have checked I am leaning towards a vacuum leak, or a bad MAF, which tests good, but I stiff have a gut feeling that it could be part of my problem. 
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- #2372 of 2476
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Re: 626 Misfire?? [Mr_Shiftright]
by baffledinky
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Apr 22, 2008 (3:20 pm)
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Replying to: Mr_Shiftright (Apr 21, 2008 12:00 pm)
This is very similar to my original problem which has progressed into a a hesitation so bad that it is almost undriveable... What is the basic Idea behind the process of using carb cleaner to find a vacuum leak? After everything I have checked I am leaning towards a vacuum leak, or a bad MAF, which tests good, but I stiff have a gut feeling that it could be part of my problem.
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- #2373 of 2476
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Re: 626 Misfire?? [baffledinky]
by askperry
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Apr 23, 2008 (7:58 pm)
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Replying to: baffledinky (Apr 22, 2008 3:20 pm)
When a bit of carb cleaner is sprayed into the intake of an engine, the engine RPMs will surge faster for a couple of seconds. When there is a vacuum leak, air is sucked into the engine through places where it should not come in. This could cause hesitation, overheating, emissions and other problems.
Use carb cleaner to spray shots around suspected leaky parts. If the engine surges, then you found your leak. I found out that my throttle body was missing its gasket this way.
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- #2374 of 2476
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Re: 98 Mazda 626 [kg_6933]
by askperry
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Apr 23, 2008 (8:03 pm)
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Replying to: kg_6933 (Apr 08, 2008 9:53 pm)
Your going to have to post more info. When it stopped running, do you mean the engine cut off or the transmission won't engage. When you turn the key, does anything happen? Does the car start? If so, how long does it run before cutting off?...Feel free to add as many detail as you can.
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- #2375 of 2476
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Re: Issues [cstephens]
by askperry
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Apr 23, 2008 (8:09 pm)
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Replying to: cstephens (Nov 14, 2007 6:27 pm)
That tube transports hot oil vapors to the engine intake. It's parts of the emissions system and has nothing to do with coolant (unless you've blown a head gasket).
If you smell coolant, then either someone spilled coolant during a recent servicing or you have a leak that needs to be found and fixed before enough coolant leaks out to overheat your engine.
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- #2376 of 2476
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626 transmission problems
by charb
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Apr 28, 2008 (8:15 am)
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My son just purchased a 2000 626 V6 with a 5-speed manual transmission. I have been looking just so I can feel good that he found a reliable car, and find all of this negative info about this vehicle's transmission problems. Just wondering...are the problems I read about associated with all transmissions in this car or just the automatic? Thanks in advance for any light you can shed on this for me.
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- #2377 of 2476
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Re: 626 transmission problems [charb]
by joellein
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Apr 28, 2008 (8:22 am)
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Replying to: charb (Apr 28, 2008 8:15 am)
I had the same question when I bought my used 2001 626 V6. My Mazda dealer (not where I bought the car) service manager told me it was just the automatic tranny.
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