Question about 1993 Mazda RX-7

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93 rx7 engine/turbo prob

Allllrighty, well i got a stock engined rx-7 all that after market is the exhaust. And upon it dieing and refusing to start on the way home one day a good 5-6 months ago from not having any water in it. it didnt suprisinly over heat. But i did need to replace the water pump which i did. but the car ended up sitting for for almost 4 months untoched. then upon start up. it made a clanking metal on metal sound and started blowing a looot of white smoke. sounds kinda under/by the turbos. (other probs the car has side issues. the car has a bad injector which shoots gas into my oil. and the car has a hood it had on when i bought it so if it rains it gets water into the pipes leading down to the turbos.) and it rained a good 5-6 heavy times. so i thought that mabey they got rusted and stop spinning. but i puuled it apart today and they both spin freely. i bought a new T04E to replace it with since i was 99% sure that was the problem. with it pulled apart just down to the turbos they get 4-5 psi. Any thoughts can it still be the turbos or is is my engine?

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  • 46 Answers

Afraid you probably have engine issues. White smoke was water. clanking could have been apex seals. You need to have a compression test done.

Posted on Jun 04, 2014

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Posted on Jan 02, 2017

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SOURCE: 1989 mazda rx7 turbo over heating

if our engine run at 82 celcius there no reason its start boiling when you turn it off its normal for temp to raise when you turn off the engine but to start boilling thats mean our temp is higher then 84 degre check our gauge manuelly check the temp with a thermometer directly in the radiator and compare with the gauge that mean the faster you go colder its get so the radiator does its job but what weird it goes up at lower speed so not enought air goes trough the radiator are you missing a front spoiller that redirect the air to the radiator if you raise the boots you gonna have to raise the cooling capaciter of the car check it out let me no. . pierre

Posted on Dec 07, 2008

  • 1 Answer

SOURCE: 87 RX7 - smoking exhast for several miles then stops

well,when you turn off the rotary it leaves oil and gas.so when you start it up, it burns off the oil you left causeing blueish smoke. same problem with flooding,when you drive short distance , warmup incorrectly or if use synthetic oil.to fix the cause of flooding(i have the same vehicle and problems)let it warm up for at least 15 min.there is also a fuel pump wire next to the fuse box located above the brake pedal.then you tap a switch from the fuel pump to your interior.the reoson being is so whenever you come to a stop to park flip the swith.that allows the rotar to burn the fuel left in the pump witch will make your rx7 to stutter out and die.when you start it back up ,flip the swicth back on and it will take an extra second for it to crank over.1 more thing,check your oil every 2-3 fills on gas and change oil every 2000 miles.also redline it at least one a week. i hope i just solved your problem because i love my 87 non turbo and know how you feel.if you want to look at cheap aftermarket parts for rx7 then go to srmotorsports.com/rx7guru.com is a guy that test parts to tell people wats good and cheap for rx7s.i would recomend roll cage and 5 point harness-seats.good luck with your rx7 bro

Posted on Apr 06, 2009

  • 295 Answers

SOURCE: 1988 rx7 turbo starts and runs for 3-5 seconds and dies...

I would check the all relays. I would check the vehicles main computer. Sound to me the engine ignitoin system was completely replaced.
The altenator should be putting out correct voltage? The battery must be holding the charge because you are able to re start the car.
I think a relay , altenator or computer is getting to hot internally and shutting down.

Good luck,

Posted on Apr 25, 2009

  • 34 Answers

SOURCE: i just bought an 1993 mazda rx7 today but it wont start last

bastard things are prone to flooding im afraid, take plugs out,whizz it over for 30 seconds be patient and wait for half hour to give time to dry out, then a couple of squirts of oil in each plug hole, whizz it over for about 2 seconds,then a couple more squirts of oil in each plughole again,replace (dry) sparkplugs, leads on turn it over and it should go.ive suffered this twice this year (in the rain).
repeat if nescessary
avoid this problem by NOT RUNNING for LESS THAN 5 MINIUTS,as this is caused by a rush ov petrol because ecu thinks engine is cold so injects more fuel, then you turn engine off,this rush of petrol rinses the rotors clean of the oil they depend upon to maintain compression upon restarting, this is where the proceedure above works.
regards
dave

Posted on Jul 26, 2009

csmock132
  • 4669 Answers

SOURCE: 94 mazda 2.0 engine 626 won't start.

Have you checked the fuel pressure? It sounds like a bad fuel pump.

Posted on Sep 07, 2009

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