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Sedans Mazda Protege Mazda Protege Maintenance and Repair
3600 messages, Last post on Nov 28, 2009 at 3:21 PM
You are in the Mazda Protege Forum. Your Hosts are pat & karens
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Replying to: jenni81 (Jul 05, 2009 9:54 pm) To clarify, you mentioned, Pay careful attention to how the car idles in Park, and in gear while stopped I assume this is for an automatic transmission? If so, then for a manual does the same apply when idling in neutral? Also if anyone else has some other input it would be appreciated.
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Replying to: jenni81 (Jul 06, 2009 6:42 pm) In either case, a vacuum leak will generally cause the engine to idle too low to the point of stalling, then overcorrect and rev too high, then drop down start dropping too low. The air/fuel ratio is wrong and the computer can't compensate. Typically they will run fine when not idling, when the amount of air leaking is small compared to the total airflow. BTW, I love my protege. I've been looking for another one for my kids to drive.
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Replying to: primemover (Jun 17, 2009 12:54 am) 
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Replying to: stmyers (Jul 09, 2009 10:01 am) Is the coolant leaking to the ground (and not into the engine)? Were the hoses leading to and from the radiator replaced? Were the clamps holding the hoses checked? Have you considered going to another garage for a second opinion?
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| I bought my car new in 2003, Ive kind of have had problems with it form day one. but nothing as major as now. My belts broke on my car so I had the car towed to the mechanic and they replaced the belts. I couple weeks later my car over heated on me so I took it back. It turns out my radiator had a leak/crack in it. I had them replace it a mazda radiator and had them pressure test the hoses and they said it was all good. A couple of weeks later while I was driving my over heated on me . (it had only been 200 miles since getting the radiator replaced) I took the car back the the mechanic and they said they could not find anything the matter with it. They checked the hoses again and the gaskets. they still said there was nothing wrong with it, but it is not holding coolant. I will fill the over flow up and a day later it is empty. I need help. I am in college, therefor i would like to hold on to my car for another year, but with things happening Im worried. | |
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Replying to: autonomous (Jul 09, 2009 10:40 am) No the hoses were not replaced, they pressure tested them and there were no leaks. I will ask about the clamps. one of my customers owns a shop who customizes cars and he said to bring it by. Did i mention i live in texas!! Could that have anything to do with anything (the heat?)
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Replying to: downtube (Jul 07, 2009 6:27 pm) |
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Replying to: stmyers (Jul 09, 2009 12:01 pm) If it is not leaking below, then where is the coolant going? How often do you have to replace the coolant? No the hoses were not replaced, they pressure tested them and there were no leaks ...one of my customers owns a shop who customizes cars and he said to bring it by. Ask your "customer" to take a look at the hoses to see if they still appear usable (no bulges, cracks, softening ...). The hoses and radiator in my 2002 Protege5 are still in tip top shape (knock on wood). Did i mention i live in texas!! Could that have anything to do with anything (the heat?) Yes, your car is obviously using its cooling system more frequently than someone living in a cooler climate. Also, driving in congested traffic can be taxing. But, your car's radiator is made for that purpose and should be working properly. |
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Replying to: stmyers (Jul 09, 2009 12:01 pm) The coolant is going somewhere. Either blowing out the expansion tank overflow when you're driving, or out a leak when driving, or into the cylinders. If the radiator cap is not operating properly, it will let coolant flow out into the overflow tank at a lower pressure than intended. This will overflow the tank and spill out on the ground when the engine is hot. As the engine cools, the coolant in the overflow tank will be sucked back into the engine. The same thing could be happening with a properly operating cap, if your engine is overheating. If it's going into the cylinders, your exhaust will smell like antifreeze. Blown head gasket or cracked head. |
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Hi everyone -- hopefully someone can give me some advice. I'm driving a 1995 Mazda Protege which has some engine noise under load and a loss of power. It's been getting progressively worse over the years, and it's now to the point where I have almost no acceleration at all, and I almost have to floor it just to maintain highway speeds (especially if running the A/C). There's also a loud noise coming from the front of the car when I accelerate -- my dad calls it a "birdcage" noise, but it sounds like some kind of rattling. All the mechanics I've taken it to over the years have just called it engine ping and suggested I use some fuel injector cleaner, but that obviously hasn't helped. It doesn't make the noise while idling -- only while pressing down on the gas pedal, and the noise gets louder as I press harder. I'm pretty sure it's engine issues, but I don't know exactly what it is. Does anyone have advice? Thanks in advance! |
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