Question about 2004 Mazda RX-8

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Changed battery in rain have lights engine turns over but no fire

My mazda rx8 had the battery changed in rainy conditions,it turns over but refuses to ignite and start

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  • Mazda Expert
  • 279 Answers

The rx8 has the rotary ankles engine in it, these have porcelain tipped rotors instead of pistols and are prone to wear resulting in them not starting. The car should start with a bump or toe start. This will require an engine strip down and rebuild and should only be carried out by a qualified mechanic. (Mazda recommend rotors be replaced every 25000 miles)

Let me know if this helps

Posted on Jan 01, 2013

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Posted on Jan 02, 2017

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jmeredith
  • 417 Answers

SOURCE: Mazda RX8 Engine Failure

hi,

see if you can find a local mechanic-not agent who works on mazdas (RX-7s,) take it there or call them and see what they can do. maybe the older style rotary can be retrofitted. maybe call some junkyards and see what they have. You might be able to replace the expensive rotary with a standard mazda 4 cyl(miata) as well. not as much fun, but mazda 4 cylinders are pretty good motors if taken care of.

J

Posted on Aug 01, 2008

  • 272 Answers

SOURCE: mazda rx8 fault code p0410

The P0410 code refers to the (secondary air system) emissions system. The AIR pump puts air to the exhaust to lower emissions. It takes in outside air and pumps it through two one-way check valves into each bank of the exhaust.
.
About 90% of the time that this code is set, the one-way check valves have worn out or failed and allow water (which occurs naturally in the exhaust) back into the pump. In any cold climate, especially in climates with higher humidity, this water may be more excessive. The water partially fills the AIR pump, it can then freeze. When the PCM commands the pump on, if the pump is frozen it cannot turn, thus overloading the circuit and "popping" the fuse.

A code P0410 may mean that one or more of the following has happened:

  • Water may have collected in the AIR pump or the vent solenoid and frozen or corroded the pump
  • Blown AIR pump fuse due to freezing up
Possible solution:
This may be covered under the emissions warranty on the vehicle. If your vehicle is out of bumper-to-bumper warranty, check if the emissions warranty is still valid!
  • Replace the AIR pump AND one-way check valve
  • Test and clean the AIR pump AND test and replace the one-way air check valve
  • Replace the AIR pump inlet hose
  • Replace the AIR pump fuse (found under the hood)
It is really only an emissions issue and won't harm your car's engine ot drivetrain. It will however mean you won't pass emission testing if you live somewhere that tests for that like I do!

Posted on Jun 03, 2009

ghassun
  • 499 Answers

SOURCE: My mazda error codes P0300 and P0302 what does this mean!!!

man read this and u will know what is ur problem and how to fix it
P0300 Code - Random Misfire What does that mean? A P0300 OBD DTC code indicates a random or multiple misfire. If the last digit is a number other than zero, it corresponds to the cylinder number that is misfiring. A P0302 code, for example, would tell you cylinder number two is misfiring. Unfortunately, a P0300 doesn't tell you specifically which cylinder(s) is/are mis-firing, nor why.
Symptoms may include:

  • the engine may be harder to start
  • the engine may stumble / stumble, and/or hesitate
  • other symptoms may also be present
CausesA code P0300 may mean that one or more of the following has happened:
  • Faulty spark plugs or wires
  • Faulty coil (pack)
  • Faulty oxygen sensor(s)
  • Faulty fuel injector(s)
  • Burned exhaust valve
  • Faulty catalytic converter(s)
  • Stuck/blocked EGR valve / passages
  • Faulty camshaft position sensor
  • Defective computer
Possible SolutionsIf there are no symptoms, the simplest thing to do is to reset the code and see if it comes back.
If there are symptoms such as the engine is stumbling or hesitating, check all wiring and connectors that lead to the cylinders (i.e. spark plugs). Depending on how long the ignition components have been in the car, it may be a good idea to replace them as part of your regular maintenance schedule. I would suggest spark plugs, spark plug wires, distributor cap, and rotor (if applicable). Otherwise, check the coils (a.k.a. coil packs). In some cases, the catalytic converter has gone bad. If you smell rotten eggs in the exhaust, your cat converter needs to be replaced. I've also heard in other cases the problems were faulty fuel injectors.
Random misfires that jump around from one cylinder to another (read: P030x codes) also will set a P0300 code. The underlying cause is often a lean fuel condition, which may be due to a vacuum leak in the intake manifold or unmetered air getting past the airflow sensor, or an EGR valve that is stuck open.

P0302 Code - Cylinder #2 Misfire
What does that mean?
A P0302 code means that the the car's computer has detected that one of the engine's cylinders is not firing properly. In this case it's cylinder #2
SymptomsSymptoms may include:
  • the engine may be harder to start
  • the engine may stumble / stumble, and/or hesitate
  • other symptoms may also be present
SymptomsSymptoms may include:
  • the engine may be harder to start
  • the engine may stumble / stumble, and/or hesitate
  • other symptoms may also be present
CausesA code P0302 may mean that one or more of the following has happened:
  • Faulty spark plug or wire
  • Faulty coil (pack)
  • Faulty oxygen sensor(s)
  • Faulty fuel injector
  • Burned exhaust valve
  • Faulty catalytic converter(s)
  • Running out of fuel
  • Poor compression
  • Defective computer
Possible SolutionsIf there are no symptoms, the simplest thing to do is to reset the code and see if it comes back.
If there are symptoms such as the engine is stumbling or hesitating, check all wiring and connectors that lead to the cylinders (i.e. spark plugs). Depending on how long the ignition components have been in the car, it may be a good idea to replace them as part of your regular maintenance schedule. I would suggest spark plugs, spark plug wires, distributor cap, and rotor (if applicable). Otherwise, check the coils (a.k.a. coil packs). In some cases, the catalytic converter has gone bad. If you smell rotten eggs in the exhaust, your cat converter needs to be replaced. I've also heard in other cases the problems were faulty fuel injectors.

Posted on Jun 11, 2009

  • 4 Answers

SOURCE: mazda rx8 flooded .brakedown come tried to start

Your problem is common in the RX-8. It occurs when you start a cold engine and shut it off before it reaches normal operating temperature. If your car does flood, you can first try depressing the accelerator completely and holding it (which shuts off the fuel pump) and then crank the motor for about 10 seconds (not longer or you may damage your starter). If this procedure above does not work, here is the technique a Mazda dealership will normally use (to be performed at your own risk): 1. Use jumper cables to connect to another car battery. 2. Unplug Air pump connector (the black circular motor housing to the left of the oil filler cap) 3. Take fuel pump fuse out (number 22, a 20 amp, 3 from the top of the second column of the fuse box 4. Crank for 4 seconds, pause for 2 seconds, repeat for about a minute 5. Leave for a minute 6. Crank for 4 seconds, pause for 2 seconds, repeat for about a minute 7. Put fuel pump fuse back in 8. Crank for up to 10 seconds, if it catches but doesn?t start, stop cranking 9. If not started go back to step 3 10. If started, wait 30 seconds for oil pressure to rise 11. Stand on throttle until white smoke stops coming out of the exhaust 12. Disconnect jump leads 13. Leave to warm up on idle for a few minutes 14. Put air pump connector back on (see note 3) 15. Go for a nice long drive to recharge the battery

Posted on Dec 28, 2009

  • 2 Answers

SOURCE: can you convert a mazda rx8 to lpg

i checked up on this and the answer is no due to the way the rotary engine works

Posted on Mar 07, 2010

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hi,

see if you can find a local mechanic-not agent who works on mazdas (RX-7s,) take it there or call them and see what they can do. maybe the older style rotary can be retrofitted. maybe call some junkyards and see what they have. You might be able to replace the expensive rotary with a standard mazda 4 cyl(miata) as well. not as much fun, but mazda 4 cylinders are pretty good motors if taken care of.

J

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