Ok I Have a 1987 Gxl N/A 5 Speed Rx7. One Day I was Driving down the Freeway i exited said Freeway then came to a Stop at The Light. and she started to Sound a Run Like a Overgrown Lawn mower. I got Her home and she died and Now wont start. Ive done All The tests req. I replaced one injector cause It was Cracked. replaced Fuel Pump with a New Walbro 255lph. replaced the Fuel Pump relay the Main Relay and The Pump resitor Relay it still Will not Start whats Going On here?

 

did you pull a compression check? if so, what were the readings? this one is kind of sounding like either an apex seal or something along those lines. make sure that you got the correct pump. there is a low pressure and high pressure. s4 na needs the low pressure pump.

 

Compression is 110Psi Both rotors All 3 Facings. I found Yesterday I Have No Spark to Both The Leading and Trailing Coils. What Sends Power to the Coils? Is It The CAS that does If Its Bad Will it Not send The Signal to Spark them? I also Found That My Old Pump Still works so I took The Walbro Out and Put The Old One Back In.

 

the cas gives the signal for them to fire, but doesn't necessarily power them. that means that they could have power, but not be turning on if the cas is not working. check that first, then check for electrical issues. if you cant find a short, check the ground. it is directly underneath the trailing coil bracket.

 

Thanks Ill Check That when I get home from work at 6am. Thanks for the help ill let you know if it works

 

Also How do i Check to See If The Cas is BAD? i would Like to Know if it is Indef so I can Drive My Car

 

the cas is a pretty solid unit. the only times that it really completely breaks, there are usually teeth missing at the base of the unit. if not, the wires sometimes get broken or disconnected. if it is just burned up, i don't know what way to tell other than to test it like the ignition. just check to see if you get power in and out of it when you crank.

there is also an ignition relay which can occasionally burn at the base. mine melted the entire relay box when it went.

 

Thanks Ill Check that. Thank you For Then Help Man Your The Only Person Since i Posted in 5 forums to help.

 

yeah, that's the reason I dont post in most other forums. I try to be helpful here because no one else in the rotary community seems to help much.

let me know what happens with that.