Question about 1979 Mazda RX7

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Rx7 fuel problem

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Nah fuel injection. 13bt

Posted on Nov 06, 2013

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1 Answer

My rx7 wont start the first time


Time for new distributor and coil, unless you already did that. Wires and plugs help to also fuel filter. All this will help

Nov 03, 2013 | 1979 Mazda RX7

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Rough idle on a 1995 cougar rx7 & stalls out loads


air sensor or fuel sensor it is mixing to rich

Aug 15, 2013 | Cars & Trucks

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My 1981 mazda rx7 turns over but will not crank like it's not getting any fuel.


Check operation of fuel pump. Remove fuel hose and crank. Is there any pressure? Is there fuel coming out?
If not, then check fuel pump for power. If no power, then check any relays.

Nov 11, 2012 | Cars & Trucks

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What's your problem?1983 mazda rx7 backfires when getting off gas pedal


sounds like the timing is out or the fuel mixture is wrong get a tune up and that will prob sort it

Oct 25, 2012 | Mazda Cars & Trucks

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I have 85 rx7 12a engine carb getting spark and fuel,it will turn but it won't start what could it be.


It takes 3 things for a car to run... spark, fuel, and air. Sounds like you should be looking for a problem with the air, IF it is getting spark and fuel. Food for thought.

Feb 29, 2012 | 1985 Mazda RX-7

1 Answer

Mazda rx7 93 looses power @ 7k+


Look for restrictions in the intake air and exhaust systems. Check fuel pressure and delivery (fuel filter/pump). Check the ignition system as well. If the engine has a lot of miles, you may be experiencing combustion seal wear. These are amazing engines when they work correctly! Good luck!

Mar 15, 2010 | 1993 Mazda RX-7

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87 rx7 floods, won't build compression. changed


sounds like you may have a leaking fuel injector. put a fuel pressure gauge on it and watch the pressure with the key on and with the vehicle sitting for an hour with the key off

Nov 23, 2009 | 1987 Mazda RX-7

3 Answers

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

Apr 05, 2009 | 1987 Mazda RX-7

1 Answer

90 rx7 turns over but will not start


it could be many things, no fire or no fuel, replaceing your spark plugs is most likely the leats expensive thing to do and if that doesnt work then there is most likley a problem with the fuel either too much or not enough. rx7s are notorious for flooding and it doesnt take much.

Feb 18, 2009 | 1990 Mazda RX-7

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