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Sedans Mazda 626 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
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Replying to: p100 (Jun 07, 2008 5:40 pm) |
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My daughter has a 99 626 ES V6 that is having an unusual idle issue. When the A/C is on and car is either in park or stopped, the idle will surge as high as 1800 rpm. While driving it is fine, only when parked or sitting at a traffic light. Anyone else have an issue like this? Could it be the IAC Valve (I hope not)? This problem does not happen with a/c off. Car has 125k and has been very well maintained by us. As an example, when she gets in and starts the car up each day, as soon as she turns on the a/c it immediately surges.
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I'm gonna beg for some new Ideas here. We're working on getting this car running after the owner installed a salvage yard motor himself, and after repairing all other possible causes, we're starting to conclude that the final problem remains in the fuel rail. we belive that either the regulator is bad, or all the injectors are faulty. Here's a rundown of the situation: Replaced: fuel filter, fuel pump, plugs, wires, converter checked and found correct: timing belt and timing marks, fuel pressure, Injector pulse, injector resistance reading, spark from coil pack. symptoms: standing fuel in all cylinders after attempt to start, no fuel pressure or flow on return line after the regulator, full 80 psi to all injectors, when running, runs at 300-500 rpm, but only on 2 cyl. any help will be greatfully accepted!!!!! |
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Replying to: teresas (Apr 02, 2000 2:46 pm)
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Replying to: mvperez4jesus (May 23, 2008 11:39 am) |
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I just have had to recently start fixing things in it, overall has been a great car up until the past yr. My EGR valve was stuck open so I bought a new part and had it replaced from my mechanic a little over a year ago. The engine light was on not long after the replacement giving me the same code 400. It was a flow problem. How do I fix this? Also, I just had my thermostat replaced and a flush and fill because my car started to run hot while I was stopped. It just started doing it again, although it isnt everytime I am driving it is so random. Once I start driving again the gage stays at half or towards the cool side. Could this be an oxygen sensor or something with the AC?
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Replying to: roman9vs10 (Jul 27, 2008 7:51 pm)
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I have a 2001 Mazda LX 4D Sedan,4-Cyl, 2.0 Liter, automatic transmission. It has 43,300 miles. The hood vibrates like crazy and my car sounds like an airplane. Does the drive or timing belt(s) need to be replaced? I haven't had much maintenance done on the car besides changing the oil.
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Replying to: gyates (Aug 02, 2008 5:46 am) |
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