Question about 2005 Mazda RX-8 Automatic

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

My 2004 rx 8 has issues with starting. i have to wait for at least 20 min each time for the vehicle to start again...i the mean time i changed the coils and spark plugs...the check ingine light was not on when the diagnostic machine read those codes..whats wrong with my vehicle.factory recalls possibly

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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.

Posted on May 15, 2014

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