Question about 1987 Mazda RX-7

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Car don't run

Hi. I have a 1987 rx7 turbo II with a 1990 engine which I had rebuilted from scratch. My problem is when I finally got the engine running, after the first 20 min, it shut down(engine) without any reason. After looking for the problem we found that the ECU appeared with 4 of its resistors,those related with the fuel injectors, were burn out. After fixing the ECU, now the engine do not want to start up again. Can you help?

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It deactivates cylinders 1, 4, 6, 7 between 1000 and 3000rpm. It will operate in 4 cyl mode when the torque requirement is less than 95% of the maximum availabe from 4 cylinders.

Posted on Jun 29, 2008

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I have a rx7 series 5 13 B turbo motor the car starts and runs really well but once the car warms up its starts smoking and increases then after driving it the smoke starts to die down alot


The side seals for the rotors are bad. the only thing you can do is pull the engine apart and replace the seals IF the side housings are good. If they are bad, you cant machine them, they are JUNK. Find a shop that rebuilds Mazda Rotary engines. Mazda may be the best place to get a reman engine.

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I have no compression in the front rotor in my 1987 rx7 turbo


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I use to run my own switch for the fuel pump. Leave the power off to the pump for about 10 mins. Then power it up then start engine. If this doesn't work use a little starting fluid. If that doesn't start the engine check to make sure you are getting spark to the plug. If you are check the compression.

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Idle


may have pic,up water at the gas station ,put a bottle
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Well i have a 1987 Mazda Rx7 with a 13b non-turbo


public library...Chilton or Haynes auto repair manuals or collisionrepairadvice.com


many of your questions can only be answered when the engine is apart and after visual examination.   Sorry I can't help more.

Mar 25, 2009 | 1987 Mazda RX-7

1 Answer

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do an image search on google for rx7 vacuum hose diagram, theres loads to choose from or try www.rx7club.com or www.rx7forums.com

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1 Answer

Has no power


I had the same problem on my 1990 gtu. i replaced the coolant temp sensor located behind the water pump. have not had a problem since. 

Mar 12, 2009 | 1990 Mazda RX-7

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