2008 Mazda rx8 40th anniversary edition
07-30-2017, 07:23 AM
#1
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2008 Mazda rx8 40th anniversary edition
Hi all I'm a little new the rx8 community but I'm having some issues with my rx8. It has takes incredibly long to turn over (at least 8-10 cranks), and lags on speed from 0-20 but does just fine after getting over 20. Any suggestions on what may be causing this would be awesome.
07-30-2017, 10:38 PM
#2
Smoking turbo yay
Are you having issues with hot start or cold start?
Checked your ignition components(coils, wires and plugs) yet?
What are the engine compression numbers?
Checked your ignition components(coils, wires and plugs) yet?
What are the engine compression numbers?
07-31-2017, 07:26 AM
#4
40th anniversary Edition
Starting the Engine
• Starter
• Battery
• Engine Compression
• Grounding Wires
• Ignition Coils
• Spark Plugs
• Spark Plug Wires
• Fuel Pump
• Fuel Injectors
Engine Power Loss
• chokes as revs increase
o O2 sensor failure (too rich)
o MAF failure
o MAF disconnected
o e-shaft sensor fouled
o accessory belt fraying
• high end power loss (hard fuel cut)
o Rev limit reached
• high end power loss (jerky and stumbling)
o Ignition failure
o fuel pressure loss
o e-shaft sensor fouled
• high end power loss (smooth)
o Catalytic converter clog
o air filter clog
• low end power loss (smooth)
o Engine compression loss
• low end power loss (stumbles)
o Ignition failure
o front O2 sensor failure
• revs slowly but smoothly
o O2 sensor failure (too lean)
o catalytic converter clog
o air filter clog
• sudden power drop at a specific rpm
o Intake valving actuation problem
• trouble getting to redline
o Ignition failure
o front O2 sensor failure
o catalytic converter clog
o air filter clog
o e-shaft sensor fouled
o fuel pressure loss
o MAF failure
• Starter
• Battery
• Engine Compression
• Grounding Wires
• Ignition Coils
• Spark Plugs
• Spark Plug Wires
• Fuel Pump
• Fuel Injectors
Engine Power Loss
• chokes as revs increase
o O2 sensor failure (too rich)
o MAF failure
o MAF disconnected
o e-shaft sensor fouled
o accessory belt fraying
• high end power loss (hard fuel cut)
o Rev limit reached
• high end power loss (jerky and stumbling)
o Ignition failure
o fuel pressure loss
o e-shaft sensor fouled
• high end power loss (smooth)
o Catalytic converter clog
o air filter clog
• low end power loss (smooth)
o Engine compression loss
• low end power loss (stumbles)
o Ignition failure
o front O2 sensor failure
• revs slowly but smoothly
o O2 sensor failure (too lean)
o catalytic converter clog
o air filter clog
• sudden power drop at a specific rpm
o Intake valving actuation problem
• trouble getting to redline
o Ignition failure
o front O2 sensor failure
o catalytic converter clog
o air filter clog
o e-shaft sensor fouled
o fuel pressure loss
o MAF failure
08-02-2017, 05:21 PM
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**Update**
Took it into a certified Mazda dealer and they said the plugs, wires, and coils need to be replaced. Phew, I was praying my seals weren't bad. I appreciate how fast the community replied, I initially thought it was my MAF sensor. Thank you all who replied.
08-03-2017, 02:10 PM
#7
Registered
Make sure you get a price if you're having them do the work. The first dealership I took my first RX8 to charged me over $1500 for plugs coils wires and a MAF cleaning.
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