Car become lazy after 16k miles service
Hi everyone ,
I bought 2005 RX8 MT three weeks ago and I today I got 15k miles service (the car has 16k). Unfortunately when driving back from the dealership I noticed the car seems to feel like it has less power than before. I wouldn't say much, but a noticeable bit. They've done oil change, oil + air filter change and all those basic things. No flashing of PCM or anything like this was done (everything has been up-to-date). The only thing which is different - the previous owner had K&N air filter installed and I went with OEM (as in my previous car K&N didn't do any difference). Is it possible the change of the air filter would do so much difference? Any other idea? |
Anyone?
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Coils possibly?
Compression check would tell you if it's a seal. |
I would check your coils and put back in the k&n air filter then get some mazda engine cleaner. A mazda tech used the engine cleaner and got better compression after he used it.
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did they inspect the spark plugs? Check to make sure the wires are on tightly. I know that sounds odd but the OEM's are notorious for coming loose.
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k&n filter > OEM...
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^^^ negative ghost rider.
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The dealer probably installed the latest ECU flash - most have seen immediate power gains from it, but your might need some run cycles to settle in and get back to normal.
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The car seems to be slowly getting back in its shape (after 100 miles driven). Is it possible changing the airfilter to OEM required the ECU to recalibrate a bit?
They've inspected the car completely and coils, wires, spark plugs should be ok. Regarding the flash - they told me (before the service) the car doesn't need flashing the ECU and the invoice does not indicate it, so I don't think they have done it. |
when was the last time you had your 8 serviced (before this incident?)
Just asking because (per my link) ALL RX-8's are to get flashed. (assuming youre in the US) |
I bough it like a month ago, so I haven't, but the previous owner was doing a service check last December (2007) and before that I believe August/July 2006. He had it flashed then (he told me everything should be up-to-date in the car).
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