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Old 04-20-2011, 11:46 AM   #1
Pete_89T2
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It's not the flywheel, that's for certain. Frankly I'd question the competence and reputability of the Mazda dealership you brought it to. Based on your post, I see several red flags that lead me to think these guys are shady. First, why did they replace your starter - was it broken or causing problems? No need to do so given the job described. Second, by doing the full job described (i.e., presumably by chucking your cat(s) to replace with headers & catless pipe) they intentionally run afoul of federal laws against tampering with emissions gear, irrelevant if you ordered them to do the work or not. Reputable dealerships generally don't do this sort of thing, even on a car that's got 100K miles or is out of warranty.

Back to your question, I'd start looking for any & all electrical connections or vacuum hoses that may have been distrurbed during the course of the work. My guess is you'll find something they forgot to reconnect or may have broken. I'm not too familiar with the RX8, but the work done requires removal of LOTS of components to do the job. Does your check engine light (CEL) come on, or did you try reading the CEL codes using an OBD-II code scanner in case the CEL isn't on, but codes may be stored?
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Old 04-20-2011, 12:09 PM   #2
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Quote:
Originally Posted by Pete_89T2 View Post
I First, why did they replace your starter - was it broken or causing problems? No need to do so given the job described.
He probably had the original, recalled weak ass starter. I would (and did to mine ) upgrade to the new one. Makes the car start immediately.

And yes, it sounds like it has a vacuum leak or something. However, if that was the case, you should have a light on. If you don't, I would still hook it up to a scanner that can read real-time data from the ECM.

When was the last time (if ever) you cleaned the throttle body?

They get pretty gunked up form the PCV system. I know mine ran a shitload smoother once I took mine off and cleaned it.
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Old 04-20-2011, 02:17 PM   #3
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He probably had the original, recalled weak ass starter. I would (and did to mine ) upgrade to the new one. Makes the car start immediately.
Interesting, had no idea they recalled the starter. Is that something Mazda replaces for free under warranty, or is this recall optional? Good to know info regardless, incase I ever pick up an RX8.
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Old 04-22-2011, 12:14 PM   #4
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Interesting, had no idea they recalled the starter. Is that something Mazda replaces for free under warranty, or is this recall optional? Good to know info regardless, incase I ever pick up an RX8.
it wasn't a recall, but they do have a bulletin that says to replace the starter if the car has the symptoms (off the top it might be flooding, but i'm not sure). there is also a bigger battery.

the starter takes cranking rpm from 225-250 to like 350, it makes a big difference
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