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+--- Thread: Mazda RX8 Engine issue.. any thoughts ? (/showthread.php?tid=8094)
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Mazda RX8 Engine issue.. any thoughts ? - BOOSST - 08-06-2019
My mate has a 2004 Mazda RX8. It is the 231bhp model, but he had the engine replaced with a 192bhp a while back. Clock currently shows 37000miles.
However, recently he has had problems with the engine cutting out when in neutral. he cannot sadly verify what milage the 192bhp engine had on it so he doesn't know if he needs another new engine or if this is a common fault thats occurring ?
Anyone got experience of the RX8's and maybe have some answers.. all the garages he has gone to want investigate , investigate, investigate and at a cost !
Mazda RX8 Engine issue.. any thoughts ? - Stoney - 08-06-2019
Fitting an engine of unknown mileage or history is never a good idea! Though I expect you know that. Especially on these engines, as they need fully rebuilding with new internal parts, IIRC, at specific intervals.
Not sure why it would stall in neutral? Do you mean it stalls at idle? If you pop it in neutral and rev it, will it still stall? Does it need to be left in neutral for a while?
If I had a problem with my RX8 (or RX7 for that matter) I would look up the number for Dragon Performance and give them a call. Friendly helpful guys and I believe the UKs leading RX7/8 specialists.
Mazda RX8 Engine issue.. any thoughts ? - Chri5 - 08-06-2019
Does it do this when hot or cold???
Has it done it since new engine fitted???
Could be an idle control valve either not working or not connected.
I would do either as stoner said and call Dragon Performance or Haywards Rotary
I would also go on rx8ownersclub.co.uk and look in the technical forum.
Mazda RX8 Engine issue.. any thoughts ? - Lexusboy - 08-06-2019
There were six models 231 bhp from the
Nemesis
Kuro
Evolve
PZ
40th Anniversary
R3
Each one had a different finish.
I think Bobby has the PZ This is the pro1ex model.
It you were changing engine then ideally it should be like for like.
Would the car benefit from a tuning session it maybe running to rich, but without further info it very hard to tell.
There are a few common problems with these
the cats had build up problems this could also be a problem.
Oil and water needs to be change at correct timings.
I think the plugs are another problem as they do break down.
They are known to drink lots of oil and it said that you should every month redline them.
Hope you get to the bottom of this
Mazda RX8 Engine issue.. any thoughts ? - Stoney - 08-06-2019
Lexusboy pro1ex model.
Yeah, in Dave's dreams!!!
*Prodrive.
Mazda RX8 Engine issue.. any thoughts ? - Lexusboy - 08-06-2019
Well spotted :biggrin:
Mazda RX8 Engine issue.. any thoughts ? - Stoney - 08-06-2019
Lexusboy Well spotted :biggrin:
You did that on purpose, right? What do I win?
Who's idea was it to remove what is essentially the top of the range engine, and replace it with the basic spec one? TERRIBLE idea.
Mazda RX8 Engine issue.. any thoughts ? - FirebirdPhil - 08-06-2019
Was there not an issue with stalling with the 231bhp engine, when moved only a few feet and turned off, something about the engine flooding. This could be part of the same issue, only because its a swap the ECU's may not be operating properly.
Mazda RX8 Engine issue.. any thoughts ? - Lexusboy - 08-06-2019
Phil that true about the engine stalling but i think it was only when the engine was cold
Mazda RX8 Engine issue.. any thoughts ? - Chri5 - 08-06-2019
The engines are very prone to flooding when switched off when cold.
They say to rev the engine and hold it 4krpm for 10seconds before switching off.
But this isn't flooding it's stalling so presumably will restart???
If it floods it's a pain in the rear unlike just a hassle with a piston engine.