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Twinkling engine control P0301 P0302

Old 10-12-2011, 12:04 PM
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EU Twinkling engine control P0301 P0302

Hi I have another problem.
I have Mention Strips (thongs) i my mazda and Sensor of site of axis when everything was unconected I turn ignition on ( not start car) and something do "Poof". Nothing really happen.
When I replace everything I start my car... there was an error P0301 only flashing Blinking for about 20 s. and there it turn off, and turn on....
So I buy new coling etc.
And what car start everything looks ok but there is and P0302 erorr and it is blinking car run perfect no another error ( 58000km car have) car starts at hot normal there is no another error can you tell me what can be wrong ??? I can't find a answer at forum in search...
Sory for bad english.
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Old 10-12-2011, 12:14 PM
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well you are still having misfires. it could be from all sorts of thing. check that the coils are installed correctly . check that the ignition wires are connected properly. reset the eshaft profile (20 brake stomp reset) and check that the eshaft sensor is not dirty or damaged
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Old 10-12-2011, 12:24 PM
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reset the eshaft profile (20 brake stomp reset) it doesnt work I do 30 brakes stopm and nothing hapen
I have check coils ignition wires everything is ok
If you have google translation please take a look at http://www.rxklub.pl/rxforum/viewtop...?p=12132#12132 (in polish )
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Old 10-12-2011, 01:14 PM
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Originally Posted by Anubis88 View Post
reset the eshaft profile (20 brake stomp reset) it doesnt work I do 30 brakes stopm and nothing hapen
I have check coils ignition wires everything is ok
If you have google translation please take a look at http://www.rxklub.pl/rxforum/viewtop...?p=12132#12132 (in polish )
Did you turn the key to the on position? After 20 stomps on the brake, your oil meter should move from left to right and left again real quick.
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Old 10-12-2011, 01:37 PM
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I will try this tomarow but what else is wrong?
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Old 10-12-2011, 02:04 PM
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Or can I unplug acc? I dont thing this do something
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Old 10-16-2011, 05:33 AM
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When you try the brake pedal stomp, turn the key to the "on" position but do not start the car.
Tap the brake pedal pretty fast, no need to do it hard, just fast.
Watch the oil meter when you do this and you should see it sweep to the left and back to the right.
If it doesn't do it, then turn the car off, wait a few seconds and then do it again.

Once you do get the oil meter to sweep, then turn the car off for about 20 seconds and then try to start it as normal.

As stated, you are still having misfires. Make sure coils, wires, plugs are all in proper order and all connections are solid. Sometimes when you think you have a plug wire on good, you really don't. Be careful, but you should feel or here a faint click when they are on all the way.


Attached Thumbnails Twinkling engine control P0301 P0302-coil_order.jpg   Twinkling engine control P0301 P0302-coils.jpg  

Last edited by Mazurfer; 10-16-2011 at 05:39 AM.
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Old 10-17-2011, 09:18 PM
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Hey I'm having a similar problem... About 3 months ago I had a few codes (P0301, P0302 & a few other). I replaced coils, wires and plugs and fixed the problem.... Last week I replaced the radiator and the next day I notice the car starts with major loss of power so I rev it for a few seconds and goes to normal and drives normal. Scanner is reading a P0301 again. Car starts normal when engine is warm. What could be causing this?
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Old 10-18-2011, 08:27 AM
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Originally Posted by emerodi8 View Post
Hey I'm having a similar problem... About 3 months ago I had a few codes (P0301, P0302 & a few other). I replaced coils, wires and plugs and fixed the problem.... Last week I replaced the radiator and the next day I notice the car starts with major loss of power so I rev it for a few seconds and goes to normal and drives normal. Scanner is reading a P0301 again. Car starts normal when engine is warm. What could be causing this?
My guess is that you missed something when changing the radiator, or you knocked a plug wire loose? P0301 is a misfire as you probably know already.
Start by reviewing connections to plugs and coils.
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Old 10-18-2011, 08:30 AM
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Anibus88 - so let me get this right.

You had a P0301 code changed the coils and now it's a P0302 code?
Is that right?
Did you change out all four coils?
When you changed the coils, did you also do the spark plugs at the same time?

Once we confirm these answers, then we(I) can tell you the next step to take.
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Old 10-18-2011, 11:14 AM
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Originally Posted by Mazurfer View Post
My guess is that you missed something when changing the radiator, or you knocked a plug wire loose? P0301 is a misfire as you probably know already.
Start by reviewing connections to plugs and coils.
and checking the trigger wheel and eshaft position sensor. you could easily knock the sensor about or at least dirty it up when mucking about with the radiator.
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Old 10-23-2011, 05:02 AM
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Mazurfer I do your procedure and there is no problem check engine is not blinking But I don't know why before reseting comp. check engine was blinking . I have change 4 spark plugs and coils. So from my point everything was ok but when I start car and run on the street I see a blinking check.

Problem was only from 1500 to 4000 prm I don't know why.
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Old 10-23-2011, 05:03 AM
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what is trigger wheel ??
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Old 10-25-2011, 01:07 AM
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Click the link in my sig for Misfire Issues
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Old 10-30-2011, 02:54 AM
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thank very much for everything
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Old 11-01-2011, 07:45 PM
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Does this mean you issue(s) is solved and I can ignore the latest PM's or do you still need the info?
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Old 11-02-2011, 07:40 AM
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Is there a way to check the coils, wires or plugs to see which one might be causing the problem.
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Old 11-02-2011, 07:42 AM
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Timing light\oscilloscope for the coils.
Mileage and visual inspection work wonders for the plugs.
The wires shouldn't wear too much if the ignition system is in good conditions so it's best to replace them when the coils start failing.
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