I Know Why My Car Sucks.
04-23-2004, 06:49 PM
#1
Senior Member
Thread Starter
Join Date: Feb 2003
Location: Miami, Florida
Posts: 1,591
I am not getting any spark from the trailing coils. It will fire really weak for a second at start up but as soon as the engine catches it stops spark. The ECU is fucked. I put in my friends 88 ECU in my car and the idel problem went away the trailing coils are getting beautiful spark, and i took it for a test drive and omg that pep it once had is back. I could even connect my pressure sensor and it wont flood. I need an ECU any one got a spare S4 ECU?
04-23-2004, 11:18 PM
#3
Senior Member
Join Date: Dec 2001
Location: Louisville KY 40299
Posts: 344
If youre trailing coils werent firing, youre tach wouldnt work.
Aside from that, trailing coils are there for emissions. They serve no real purpose in making power or holding a steady idle.
Ever seen the inside of a rotor housing? The leading sprak hole looks like this -> O and the trailing spark hole looks like this -> .
I drove my car for a long time with no trailing spark and it didnt cause ANY drivability issues.
I think youre real problem lies somewhere else.
Aside from that, trailing coils are there for emissions. They serve no real purpose in making power or holding a steady idle.
Ever seen the inside of a rotor housing? The leading sprak hole looks like this -> O and the trailing spark hole looks like this -> .
I drove my car for a long time with no trailing spark and it didnt cause ANY drivability issues.
I think youre real problem lies somewhere else.
04-24-2004, 02:46 PM
#6
Senior Member
Join Date: Jan 2004
Location: Carrollton, TX
Posts: 370
Originally Posted by adamlewis' date='Apr 23 2004, 08:18 PM
If youre trailing coils werent firing, youre tach wouldnt work.
Aside from that, trailing coils are there for emissions. They serve no real purpose in making power or holding a steady idle.
Ever seen the inside of a rotor housing? The leading sprak hole looks like this -> O and the trailing spark hole looks like this -> .
I drove my car for a long time with no trailing spark and it didnt cause ANY drivability issues.
I think youre real problem lies somewhere else.
Aside from that, trailing coils are there for emissions. They serve no real purpose in making power or holding a steady idle.
Ever seen the inside of a rotor housing? The leading sprak hole looks like this -> O and the trailing spark hole looks like this -> .
I drove my car for a long time with no trailing spark and it didnt cause ANY drivability issues.
I think youre real problem lies somewhere else.
Anyway, glad to hear you've figured it out, hope you fix it soon.
04-24-2004, 05:46 PM
#8
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Thread Starter
Join Date: Feb 2003
Location: Miami, Florida
Posts: 1,591
My leading is firing but the spark sucks and the trailing is not firing at all. Mabey the trailing coil not firing may not cause driveability issues but if the ECU is fucked it would. And I think that the trailing coil is there to complete the combustion process but I could be wronge.
I have seen the L & T holes and there is a big size diffrence. Im telling you guys after i put on his ECU it felt like a brand new car. When I get the ECU im gonna put in a CraneCams HI6 Ignition to help out.
I have seen the L & T holes and there is a big size diffrence. Im telling you guys after i put on his ECU it felt like a brand new car. When I get the ECU im gonna put in a CraneCams HI6 Ignition to help out.
04-25-2004, 01:45 AM
#9
Senior Member
Join Date: Dec 2001
Location: Louisville KY 40299
Posts: 344
Originally Posted by RX7 13B 4 UR AZZ' date='Apr 24 2004, 05:46 PM
My leading is firing but the spark sucks and the trailing is not firing at all. Mabey the trailing coil not firing may not cause driveability issues but if the ECU is fucked it would. And I think that the trailing coil is there to complete the combustion process but I could be wronge.
I have seen the L & T holes and there is a big size diffrence. Im telling you guys after i put on his ECU it felt like a brand new car. When I get the ECU im gonna put in a CraneCams HI6 Ignition to help out.
I have seen the L & T holes and there is a big size diffrence. Im telling you guys after i put on his ECU it felt like a brand new car. When I get the ECU im gonna put in a CraneCams HI6 Ignition to help out.
Also, Im not saying the ECU didnt fix your problem, and Im not telling you NOT to get a new one. All Im saying is if youre trailing plugs arent firing, youll have no tach ( Is your tach working? ). And I dont think that youre car is running crappy because of no trailing spark. Thats all.
