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How do i reset check engine light in RX-8?? - RX-8 Mazda Cars & Trucks

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One thing I would suggest you do is find the reason it came on in the first place. After the repair, you can reset it by connecting it to a scanner.

Posted on Oct 16, 2010


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Is it harmfull to frive my rx 8 when the 1st cylinder is bad?

If the only indication you have is the check engine light and the engine is still strong and smooth, go ahead and drive. If the power is noticeably down and the engine is shaking, better not to.

The codes that indicate specific cylinder misfires are P03xx, where the xx represents the cylinder that it says is misfiring - there will be one code for each accused cylinder. However, misfire codes are some of the most common false codes. All the computer knows is that the crankshaft is averaging slightly lower speed after the cylinder was supposed to fire - if it is slower the cylinder must not be firing regularly, right? Not necessarily.

The first thing you will want to do is to reset the codes if you didn't when you read them. If they come back right away there may be something to them, but if they come back in after a while the computer's teasing you. If the light doesn't come back on right away, try fuel injector cleaner in the tank. If it has been a while since the last tune-up, now is the time. After these steps, reset the codes and see how it does. Because you didn't mention poor performance or rough running I think that will do it.

May 15, 2014 | 2005 Mazda RX-8 Automatic

3 Answers

Engine light remains on.

You will need to have the codes read in order to fix the problem area and reset the system.

Aug 08, 2008 | 2004 Mazda RX-8

1 Answer

Engine light stays on

You need scaner to read the code then you can fix and reset.

Jan 24, 2013 | 2004 Mazda RX-8

1 Answer

Oil light is still on.

The RX 8 engine burns oil pretty bad. Majority of time the oil light coming on is due to the oil level being just a little low. When the engine is cold check the oil level if its full then is another issue but if a little low just add a little oil at a time till full then light should stay off.

Oct 11, 2012 | 2004 Mazda RX-8

1 Answer

I have a 2004 mazda rx 8 we may disconnect the battery to clear the "check engine light" -- if we do, will we need a "code" for the radio, or anything else?

You WILL probably need a code. Your car might not remember it as it needs the battery to keep memory. The best way to clear the check engine light is to buy a code reader. Costco has a cheepie one that works great. $35.00 . The code reader will also give you "code" that your car is throwing. Disconnecting the battery to clear the code is only a band-aid fix. If there is a problem with your car the "check engine light" will turn right back on. Just clearing the code obviously doesn't fix your problem.

Sep 26, 2011 | 2004 Mazda RX-8

2 Answers

Mazda 2 petrol. Engine warning light is on constant today. Car still driving ok. Could it be a minor problem?

It could be, could also be serious. Needs checking, especially if the oil or coolant is low.

Jul 21, 2010 | 2005 Mazda RX-8

1 Answer

Reset Maintenance light for 2008 lexus rx 350

to reset, push odo buttom hold until put key on w/o start engine several seconds

Jul 14, 2010 | 2008 Lexus Rx 350

1 Answer

Getting code P2070 which goes of by itself.

DTC P2070: Intake Manifold Tuning Valve Stuck Open Bank 1
Probable cause:
  1. Sensor or solenoid faulty
  2. Connector terminal contact damaged or corroded
  3. Wire harness fault - Check for correct voltage, open, short to ground or short to voltage
  4. Update control unit software - Check for the latest control unit update
  5. PCM or ECM faulty

Jul 13, 2017 | 2004 Mazda RX-8

1 Answer

2004 Mazda RX-8 PO455

It will not go off by itself,you will need to reset it by connecting to a diagnostic tool.Once cleared if there is any other problem then it will trigger the check engine light again.Hope this helps..

Sep 03, 2009 | 2004 Mazda RX-8

1 Answer

How to reset check engine light 2008 mazda rx8

first go to autozone or your local parts place for a free scan, fix whatever that it is thats wrong(which Im assuming you did) then have them reset it with the scan tool, And its free

May 27, 2009 | 2008 Mazda Rx-8

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