I fixed my hot start! ! Fix your rx8 for under £5
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Joined: Aug 2014
Posts: 203
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totally kills my gas mileage. Only accessory running is usually the radio.
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Joined: Jan 2013
Posts: 356
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From: Ohio
I just got my 2005 RX-8 in July (traded a kid straight across for my bad tranny BMW, hoping I got the better end of the deal. Now Im not so sure). When I got the car, the kid I got it from told me the starter was going out. My car was not included in the few 05's with the recalled starter that Mazda replaced. I don't know any of the history on the car whatsoever. I never noticed long, cold starts until I watched everyone's videos with their upgraded starters and 1 second starts. My cold start is 3 or 4 seconds maybe, but it starts on the first try every time. On hot starts, sometimes it can take up to 8-10 seconds to start, sometimes it wont start at all. I have watched video after video on bad starters and have noticed the same thing in every one of them. The RPM gauge acts different than mine does, and I am hoping someone has an explanation (please bear with me, I don't know a whole lot about cars, and I am a girl 
). It seems like everyones RPM gauge stays on 0 when they are having a long start. My gauge goes up to maybe 500 RPMs. If my car is going to start, the gauge will stay there until the car starts. If it is not going to start, the gauge will drop back down. There are a couple other issues I have noticed with my car: my idle drops when I am in drive, but sitting at a stop light, and my car vibrates. The RPMs drop to about 800-850, then they come back up to around 900-950. The only other issue I can think of is the other day, I backed out of my driveway and as I was backing up, the car stopped suddenly, as if someone slammed on the brakes. It did it twice (and scared the crap out of me). What would cause this?!? Any advice is much appreciated! Thank you.
). It seems like everyones RPM gauge stays on 0 when they are having a long start. My gauge goes up to maybe 500 RPMs. If my car is going to start, the gauge will stay there until the car starts. If it is not going to start, the gauge will drop back down. There are a couple other issues I have noticed with my car: my idle drops when I am in drive, but sitting at a stop light, and my car vibrates. The RPMs drop to about 800-850, then they come back up to around 900-950. The only other issue I can think of is the other day, I backed out of my driveway and as I was backing up, the car stopped suddenly, as if someone slammed on the brakes. It did it twice (and scared the crap out of me). What would cause this?!? Any advice is much appreciated! Thank you.Get it compression tested at a mazda dealer. This will tell you if the engine is dead and if the starter is in need of replacement.
Not true.
Some may, I can't speak for all but MOST here just blatantly tell the truth without sugar coating..
We see no point because for those of us who have been here for 4-5-6+ years and then some have seen damn near every issue this car has 10,000+ times... The truth may suck but it is what it is.
Travis
Some may, I can't speak for all but MOST here just blatantly tell the truth without sugar coating..
We see no point because for those of us who have been here for 4-5-6+ years and then some have seen damn near every issue this car has 10,000+ times... The truth may suck but it is what it is.
Travis
Sicker than your average
Joined: Nov 2012
Posts: 1,015
Likes: 14
From: Colombo, Sri Lanka
Trouble starting ONLY when hot probably means low compression. That said, these starters do slow down over time. You don't really need to go out and buy an all new starter. You can fix it by cleaning it. Spraying carb cleaner from the outside might fix the problem, but the proper way to do it is to take it out, open it and clean it. Maybe even replace a few worn out brushes. It'll be good as new. We've done it for a few 2004 starters. Worked perfectly.
New Member
Joined: Aug 2024
Posts: 1
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I just got my first RX8
Our cars only need a faster starter because our engines have lower compression when warm, failing engines may have it so low to make hot starts a problem.
I hope you only had a very worn starter... otherwise a rebuild is next on the list given what you say about having "low compression".
Starters don't fix hot start problems, they only band-aids to cover huge bullet holes.
I hope you only had a very worn starter... otherwise a rebuild is next on the list given what you say about having "low compression".
Starters don't fix hot start problems, they only band-aids to cover huge bullet holes.
Rotary Crawfish
Joined: Oct 2006
Posts: 470
Likes: 22
From: Da swamps of La.
With a Renesis, yes but no. Some go over 100k miles/ 160k km, some didnt make it 50k km.
What year is your car and what has been done as far as maintenance?
You need to get a compression check with a ROTARY compression tester, a standard tester will not work correctly.
Get that information and then a valid answer can be given, otherwise a lot of money can be wasted chasing your tail.
What year is your car and what has been done as far as maintenance?
You need to get a compression check with a ROTARY compression tester, a standard tester will not work correctly.
Get that information and then a valid answer can be given, otherwise a lot of money can be wasted chasing your tail.
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