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Mazda Miata Engine Light
4 messages, Last post on Apr 10, 2012 at 9:39 PM
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What is this discussion about? Mazda MX-5 Miata, Mazda MAZDASPEED MX-5 Miata, Convertible
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#1 of 4 Engine light on by macalcdc
Oct 04, 2011 (4:02 pm)
The engine light is on at all times. It only goes away when reset by computer only to return after 40-50 miles later. What could be?
- terceltom (Oct 04, 2011 8:19 pm)
Replies to this message:
#2 of 4 Re: Engine light on [macalcdc] by terceltom
Oct 04, 2011 (8:19 pm)
Replying to: macalcdc (Oct 04, 2011 4:02 pm)
O2 sensor, catalytic converter, loose gas cap
- macalcdc (Oct 09, 2011 6:36 pm)
Replies to this message:
#3 of 4 Re: Engine light on [terceltom] by macalcdc
Oct 09, 2011 (6:36 pm)
Replying to: terceltom (Oct 04, 2011 8:19 pm)
Thanks on your advise, very much appreciated.
#4 of 4 Intermittent Firing Problem by beemerjoy
Apr 10, 2012 (9:39 pm)
My 2001 Miata occasionally will start up and run on three cylinders - more often in warmer weather and more frequently when re-starting after the car sat for an hour or so. This usually lasts for anywhere from 1/2 to 5 miles, then all cylinders will kick in and it runs fine. Except it burns out the cat converter when it does this.
Mechanics have only found the "intermittent firing problem" code when they hook up the analyzer, but no solution has been found. Compression is fairly even on all 4 cylinders. Anything from an ignition coil problem, to air flow sensor to a faulty injector has been suggested.
Anyone have experience with this or ideas on how to analyze further?
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