NoPistons -Mazda Rx7 & Rx8 Rotary Forum

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-   -   Starting Problems 1989 Mazda RX7 (https://www.nopistons.com/2nd-generation-specific-17/starting-problems-1989-mazda-rx7-62136/)

Timmer 10-11-2006 07:36 PM

[size=3]Hi. I'm a new member, and I've been having some trouble with my 1989 RX7 convertible. I turn the key, she turns over nicely, but just seems like right before she starts, she just gives out until the battery dies. Is there any way to add starting fluid (like you would to a carberated (SP) system) to this fuel injected one? Or does anyone have any other suggestions I could try? As is pretty obvious, I'm NOT a mechanic. The car is in very good shape inside & out. It's just very frustrating that I can't start it, I'm really looking forward to getting her out on the road again, so I would appreciate any tips. Thanks alot, Timmer

Baldy 10-12-2006 07:37 AM

First off, welcome to nopistons.



If you don't know about it already, there is a very easy procedure to unflood the car. This thread in the 2nd gen FAQ section might have the answer: click



I also moved your thread to the 2nd gen section, you ought to get more answers there.

Timmer 10-12-2006 07:40 PM


Originally Posted by Timmer' post='840481' date='Oct 11 2006, 07:36 PM

[size=3]Hi. I'm a new member, and I've been having some trouble with my 1989 RX7 convertible. I turn the key, she turns over nicely, but just seems like right before she starts, she just gives out until the battery dies. Is there any way to add starting fluid (like you would to a carberated (SP) system) to this fuel injected one? Or does anyone have any other suggestions I could try? As is pretty obvious, I'm NOT a mechanic. The car is in very good shape inside & out. It's just very frustrating that I can't start it, I'm really looking forward to getting her out on the road again, so I would appreciate any tips. Thanks alot, Timmer


Timmer 10-12-2006 07:43 PM


Originally Posted by Baldy' post='840516' date='Oct 12 2006, 07:37 AM

First off, welcome to nopistons.



If you don't know about it already, there is a very easy procedure to unflood the car. This thread in the 2nd gen FAQ section might have the answer: click



I also moved your thread to the 2nd gen section, you ought to get more answers there.


Timmer 10-12-2006 07:46 PM

[size=3]Thanks for the suggestions! I'll give that a try tomorrow. Thanks also for the welcome, this sounds like a good group,

Timmer

Medicj02 10-13-2006 02:06 AM

Okay...i also have an 89 Rx-7 convertible and cannot get her started.......when i got the car it didn't start.



Here's the story:



The guy i bought the car from said the kid that he first sold it to messed with the "distributor" (i know these cars have CAS) and they hadn't been able to get it started since. When I got the car it sat for a couple months till we got the title from the guy. Then we bought an 87' parts car and my dad swapped out the coils on it and she started without one of the plugs even hooked up. Hadn't been able to get her started again, all she'll do is just turn over. The spark plugs on it looked new when i got the car.





Before everyone starts saying try deflooding......i've tried over and over again and it doesn't work.



Things i have done:



Replaced leading coil a 2nd time - still no start.

Replaced CAS - no start.

Checked for spark - none.





I have just gotten another junk yard CAS and Leading coil, but haven't tried those yet. I also bought new NGK spark plugs today and will be buying spark plug wires in the morning.



I've read on this board that if you spin the CAS instead of cranking the engine with the ignition then you should get spark. I've tried it on the CAS i just got and i still got no spark.





Maybe i'm not checking for spark the right way. I've just been holding the wire with a spark plug in it next to the fender and had someone try starting the car and i didn't see spark. I've also read to check the ECU and i don't know where it's at on a convertible.





Help please....I've been trying to figure it out searching for over a year now and still no luck. Just feels like i'm trying the same thing over and over again with no luck.

Medicj02 10-13-2006 02:18 AM

Also forgot to add but the mufflers on both sides seem to be blown out or something....i'm thinking it's got a bad catalytic converter in it. The wires i'm getting are Omni spark from O'reillys....i figure that a new set of possibly crappy wires would work better than a possibly worn out crappy set of NGK's

teknics 10-13-2006 05:13 PM

double check your timing (medicj02) when swapping a CAS in and out if you dont get the marks dead on the timing will be way off.



put a timing light on the motor and crank it to see if the marks are even close. (between the pulley and the yellow/first timing mark on the front cover)



kevin.

NotalesS 10-13-2006 08:56 PM


Originally Posted by Medicj02' post='840690' date='Oct 13 2006, 12:06 AM

Okay...i also have an 89 Rx-7 convertible and cannot get her started.......when i got the car it didn't start.



Here's the story:



The guy i bought the car from said the kid that he first sold it to messed with the "distributor" (i know these cars have CAS) and they hadn't been able to get it started since. When I got the car it sat for a couple months till we got the title from the guy. Then we bought an 87' parts car and my dad swapped out the coils on it and she started without one of the plugs even hooked up. Hadn't been able to get her started again, all she'll do is just turn over. The spark plugs on it looked new when i got the car.

Before everyone starts saying try deflooding......i've tried over and over again and it doesn't work.



Things i have done:



Replaced leading coil a 2nd time - still no start.

Replaced CAS - no start.

Checked for spark - none.

I have just gotten another junk yard CAS and Leading coil, but haven't tried those yet. I also bought new NGK spark plugs today and will be buying spark plug wires in the morning.



I've read on this board that if you spin the CAS instead of cranking the engine with the ignition then you should get spark. I've tried it on the CAS i just got and i still got no spark.

Maybe i'm not checking for spark the right way. I've just been holding the wire with a spark plug in it next to the fender and had someone try starting the car and i didn't see spark. I've also read to check the ECU and i don't know where it's at on a convertible.

Help please....I've been trying to figure it out searching for over a year now and still no luck. Just feels like i'm trying the same thing over and over again with no luck.



Are the spark plugs fauled? Or smell like gas? ( black looking). Get another set of them mazda Part # 0000-18-N343 and 0000-18-N342



The ECU is on your passenger side. Under the kick panel.



Remove the step plate screws and lift up the carpet. You'll see the kick panel.

Use a 10mm to take off the 4 screws from the kick panel (2 top 2 bottom)

Done.

Medicj02 10-14-2006 02:05 PM

Thanks guys.....i'll look into the timing thing. I don't know exactly how to set it up so can someone post a pic of how to set it. The spark plugs that i took out of there looked pretty new but the tips of them that go into the engine look black. I've already bought a new set.





Things i'm doing today......check ecu. put ATF in spark plug holes. and check timing. I'll post back later on to let yall know if i could get it running.

Medicj02 10-14-2006 11:29 PM

Okay....i tried resetting the timing (lining up the timing line with the yellow line on the pulley, then setting the CAS lines up), then i replaced the spark plug wires and put in new spark plugs. Also put in ATF in the holes before putting in the new spark plugs. And car sounded like it wanted to start but didn't. So i pulled the leading wire and hooked it up to a spark tester and got no spark at all from it. Any other suggestions or theories?? Haven't checked the ecu yet though.

Medicj02 10-16-2006 05:49 AM

anyone?

1988RedT2 10-16-2006 09:34 AM

I assume you've checked all the wiring at the coils and the CAS. When you checked the timing, if you're using an inductive type light and the strobe flashes, you must be getting something resembling a spark.



If the car's been sitting a long time, the gas in the tank may not exactly be fresh, and there could be a lot of condensation in there. There should be a drain on the bottom of the tank, so you can get that stuff out and put in some fresh fuel.



When you did the unflood procedure, did you pull all the plugs out, or just pull the fuse? When I first got my car, I pulled the plugs and turned it over several times. The first few times it would blow a cloud of stale gas out. Drove me right out of the garage.



Good luck!

Medicj02 10-17-2006 06:37 PM


Originally Posted by 1988RedT2' post='841014' date='Oct 16 2006, 09:34 AM

I assume you've checked all the wiring at the coils and the CAS. When you checked the timing, if you're using an inductive type light and the strobe flashes, you must be getting something resembling a spark.



If the car's been sitting a long time, the gas in the tank may not exactly be fresh, and there could be a lot of condensation in there. There should be a drain on the bottom of the tank, so you can get that stuff out and put in some fresh fuel.



When you did the unflood procedure, did you pull all the plugs out, or just pull the fuse? When I first got my car, I pulled the plugs and turned it over several times. The first few times it would blow a cloud of stale gas out. Drove me right out of the garage.



Good luck!





okay.....just got done checking wiring for the CAS and Coils......CAS is good.....so are the other 2 CASs that i have......checked to make sure that i was getting power to the coils......on the leading coil i was get about 11.50 volts....and on the trailing....nothing....someone please help me with what to do now....i feel so close to getting this thing running. Another question....if a fuse is good but not getting any power to it would the light on the fuse tester not light up.....i checked the fuse panel and all of the fuses looked good but the fuse tester light only went on on about half of them. SOS please hurry.....(Save Our Sevens)


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