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Vans & Minivans Mazda MPV Mazda MPV Starting/Stalling Problems
54 messages, Last post on Dec 04, 2009 at 5:06 PM
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Replying to: divaristicsoul (Dec 16, 2007 11:31 am) -Brian |
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Have a 1992 Mazda Mpv, 300,000 Km, 3.0 L 6-cyl.. 2-wheel drive. Was running fine but suddenly won't start. It turns over fine but am getting no spark at the plugs. The spark from the coil is yellow, not blue. Not sure if this is of any signifigance or not. I suspect the distributor but am wondering if there is a secret quirk with this model, and/or is there any way to check the distributor once it is out. Also, what is easiest way to find TDC in the #1 plug on the ignition cycle?
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Help, our 2005 MPV ES has 43K on it and now barely runs. It acts as if it is flooded. It will crank fine but will not start unless you press the gas pedal to the floor. It will then "idle" at whatever RPM the car actually started running on its own (anywhere from 1500 to 3200 RPM). Once it runs and you floor the gas pedal, it will not rev much above 3200 RPM and then the revs will just remain at that speed. When you move from park to drive it stalls again and you repeat the process. To get the car home, I tried left foot braking while I floored the gas pedal and switched to drive. It worked and I was able to get the car home although the idle was still around 2000 RPM, which made for interesting shifting from the transmission. The TCS light also came on while you cranked the engine and stayed on regardless of whether you pressed the TCS button. The car also in burning rich (black smoke and rich exhaust smell). Has anyone had this happen to them? Is it the O2 sensor, the Cat? or gulp,... the ECU? |
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Replying to: tilde05 (May 31, 2008 6:31 am) |
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Replying to: tilde05 (May 31, 2008 6:31 am) -Brian |
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| A few weeks ago the van starting making a rattling/knocking noise once in a while on start up and go away after 10-30 seconds. The noise is like a diesel engine. Also, occasionally (in conjunction with the diesel sound), the fine ticking of lifters is heard. The Mazda service tech determined the noise was due to a leak around the front manifold, and we will be getting this repaired. It was also discovered that a bolt on the rear manifold happened to be broke too. To me, however, I think that the engine is misfiring occasionally on start up, and I could here this phenomenon because of the leak in the exhaust system. Or, can a leak in the manifold seal cause misfiring on startup? I'm also wondering if maybe a leak in the head gasket can be letting just enough coolant to leak somewhere causing a misfire, thereby being a problem completely separate from the manifold leak. Why wouldn't an engine light indicate a misfire....does it only do so once the engine is at running temp? | |
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Replying to: tilde05 (May 31, 2008 6:31 am)
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Replying to: alvieandtara (Jul 09, 2008 1:52 pm) |
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My 2002 MPV has developed a shudder at idle. It seems to run fine under throttle. I can see the engine shaking when stopped (and hood up of course). I had the rear coils replaced maybe a year ago, but then there was noticeable stumbling under power. Any ideas what that might be? I have to take the van in for an oil change next week anyway, but it would be good to have an idea of the problem source and know that it's safe to drive for a few days. No check engine light.
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Replying to: backy (Aug 15, 2008 5:30 pm) -Brian
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