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Old 04-15-2018, 12:06 PM   #1501  
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My RX8 goes really slow, losing power

Hi guys i'm a owner of 2004 rx8 192 hp, and my car goes really slow last month. When i accelerate goes really slow to 6000rpm and then just like chokes and accelerate fast to limiter. I don't know what could be, so if you can help me this would be really great.
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Old 04-15-2018, 12:23 PM   #1502  
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Originally Posted by Pangy996 View Post
Hi guys i'm a owner of 2004 rx8 192 hp, and my car goes really slow last month. When i accelerate goes really slow to 6000rpm and then just like chokes and accelerate fast to limiter. I don't know what could be, so if you can help me this would be really great.
Any lights on the dash? How old are the ignition coils?Any modifications? I cam think of a few causes but need more info.
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Old 04-15-2018, 01:15 PM   #1503  
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Any lights on the dash? How old are the ignition coils?Any modifications? I cam think of a few causes but need more info.
Check engine, but with obd2 my app says secondary air injection system. I have K&N custom air filter and i don't have rear muffler on it. I don't know about ignition coils i'm owner couple months and i've been having this trouble since replacing the clutch.
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Old 04-15-2018, 01:54 PM   #1504  
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Check engine, but with obd2 my app says secondary air injection system. I have K&N custom air filter and i don't have rear muffler on it. I don't know about ignition coils i'm owner couple months and i've been having this trouble since replacing the clutch.
Ok well step one, remove the K&N hot air intake and go back to stock or AEM/Racing Beat. A number of people have experienced incorrect MAF sensor readings because of aftermarket intakes that don't straighten the airflow properly. K&N chief among them.

Secondary air injection or secondary shutter valve? Those are different things, and your symptoms sound more like that latter. Look up "SSV testing and cleaning"

Ignition coils: if you don't know, get new ones. Bad ones kill engines.

Does the car still have a functioning catalytic converter?
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Old 04-16-2018, 11:13 AM   #1505  
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Ok well step one, remove the K&N hot air intake and go back to stock or AEM/Racing Beat. A number of people have experienced incorrect MAF sensor readings because of aftermarket intakes that don't straighten the airflow properly. K&N chief among them.

Secondary air injection or secondary shutter valve? Those are different things, and your symptoms sound more like that latter. Look up "SSV testing and cleaning"

Ignition coils: if you don't know, get new ones. Bad ones kill engines.

Does the car still have a functioning catalytic converter?
Secondary air injection, i'm sure that says. Catalytic converter it's on the car but i'don't know if it's working, maybe is plugged?
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