Question about Cars & Trucks
If this is a Mazdfa rx8 with a rotary motor then it will probably be as it is supposed to be unless it is turbo powered in which check out the turbo operation. Rotary engines do not have power under 3000rpms as they need to be spinning before the torque range cuts in. The rx8 had a 13b engine and the latest version of the engine had as much power as a standard v8 above 4000rpms and reved to close on 11000 rpms
Posted on Dec 15, 2014
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Posted on Jan 02, 2017
I think you will find the aftermarket Cat Conv. is the source of your problem, but without hooking up to the factory test equipment at my disposal at my Ford dealer this at best and educated guess based on 20 years of emission related work, I am a Ford certified master electronics technician
Posted on Jan 30, 2009
to properly clean and test the egr valve you should remove it from the car. disconnect vacuum, elect connectors, and check the gasket surface both on the manifold and on the base of the valve. you will need to buy or cut a new gasket most likely. when you apply vacuum to the control inlet, you should see the valve lift away from the seat. I use brake cleaner and compressed air to spray clean and blow out the valve just to test it and then go from there depending on what you find ---- one of the vacuum switches that controls it or a faulty vacuum line is a likely possibility also ---- so you should check them also. a vacuum pistol comes on really helpful here.
Posted on Jun 20, 2009
SOURCE: p0102 Grand Prix
P0102 is ---- mass or volume air flow circuit, low input.
Check the wires going to the maf sensor and at the connection. If all seems ok, you might need a new sensor, seeing how it ran a little better when disconnected.
Posted on Jul 15, 2009
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