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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: giacomod (Apr 18, 2009 3:01 pm) my car is finally repaired,i took me a while from 2 different mazda dealers,that they could not find the right problems,but instead they skrew you and ,change different parts,it serves me and anyone as an experience to get different estimates before you take to any dealer,and before you can do some research ,i finally find an honest meccanic and someone that understands cars, my all problem was not the idle egr valve , or maf sensor,or idle control valve, ,altough i did replaced all of them,compression was good,and clean of trottle helped a lot, it was the timing belt and water pump that was leaking,and causing a misfire,replace the timing belt ,replace the water pump,seals,valve gasket,coil and rotor ,plugs and wire for the second time,new hoose for the radiator,and the car is finally working like a charm,it took me more money to fix it,but half of the dealer estimate,and it was all done in one day.again thanks to the forum and help,it open my eyes and learned a lot from this experience. 
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Replying to: benoit6 (May 01, 2009 3:11 pm)
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Replying to: benoit6 (May 08, 2009 3:14 am) I wonder if this may also be related to the car's emission control systems (e.g. EGR or PCV valves). Too bad the shop did not spot this while they had the car. |
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Replying to: benoit6 (May 08, 2009 3:14 am) Look at the accordian pipe between the air cleaner and the intake manifold. Sometimes they develop cracks. |
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I own a 2000 protege es 1.8L with under 45k miles. I bought brand new. It's developed an engine vibration after I start it. It happens when the engine is completely cold, I turn on the fan for defrost and when the defrost kicks on the vibration starts and when it kicks off the vibration stops. Also, the transmission has to be in gear, not in Park or Neutral. As the engine warms up to normal operating temp, the vibration almost completely disappears. Has anyone else experienced this problem? This is my 2nd protege and has been a great car.
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Replying to: sir_dude (May 12, 2009 12:35 pm) What do you mean? What are you "defrost"ing?
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Replying to: autonomous (May 13, 2009 2:07 pm) |
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Replying to: aj2000 (Jul 29, 2004 2:25 pm)
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Replying to: 302boss (Jun 02, 2009 8:59 pm) Interesting. I did not realize that the test used the history from the car's computer. In Ontario Canada we have a Drive Clean Emission program that measures the emission systems of the car every second year. The thirty minute test involves measuring the output at idle and 40 km/hr of hydrocarbons (HC), carbon monoxide (CO) and nitrous oxide (NO) from the tailpipe. Mechanics recommend that prior to testing the car be warmed up by driving it on the highway for a half hour or more. One way of ensuring positive results is to have a fuel system cleaning done before the test. |
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Replying to: 302boss (Jun 02, 2009 8:59 pm) Welcome to the wonderful world of On Board Diagnostics. The complexity of the OBD software in your car's computer rivals that of the actual control system it's monitoring. Some monitors only run on cold start. Some only run once a certain temperature is reached, and engine is operating at a certain speed and torque output. It may take several drive cycles over several days to get all monitors to run enough to satisfy the smog test. |
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