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Underbody braces, turbos and more!

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PostPosted: Sat Sep 12, 2015 11:40 am 

Joined: Wed Sep 09, 2015 8:02 pm
Posts: 3
Location: ohio
after car is warm I would park it for 45min come out and drive and it will die wait 5-10 min and it will start but won't rev past 2k-2500 rpm had to kreep it home, when cold runs and starts fine thought it was fuel related injectors wouldn't spray so replaced fuel filter, fuel pump, injector relay, pressure regulator, fuel injector, swapped out map sensor, cleaned grounds on manifold for ecm, cleaned injector resistor on firewall, pulled distributer cap noticed wires wore down to insulation and touching taped up and isolated wires and drove yesterday same thing got warm died, thought crank sensor but not throwing crank sensor code. NO check engine lights on at all and the only code I get is 41 - Ignition Fail-Safe Signal Circuit whenever it dies the injector does not pulse fuel but I have spark driving me crazy any thoughts.

PostPosted: Sun Sep 13, 2015 5:38 pm 

Joined: Thu Jul 20, 2006 7:17 pm
Posts: 1410
Location: Alberta, Canada
It is very likely an ignition module issue. Does your distributor have a vacuum advance on it? Easy to tell, if it has two small rubber vacuum lines then it is the earlier style ignition. In this case it's often easiest to just buy a rebuilt or used complete distributor and install it.
If it is the newer style with no vacuum advance then it's likely the module, which is located up with the ignition coil on the firewall. Again, a used one would likely work just fine if you can locate one.
I think you posted earlier about dying hot and I was thinking ignition module(also called igniter on imports), with your update it's very very likely to be what's causing your problems.

1995 Swift w/16V 4.39s, 3tech cam, Esteem t-body, Header, needs more.
1995 Gt Mustang "Boss Shinoda" package.
1999 F150 4x4 Supercharged
1967 Mustang 428 auto, never ending expensive project
1993 Civic si h22a, fell in my lap, couldn't resist!

PostPosted: Sun Sep 13, 2015 5:55 pm 
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Joined: Mon Dec 01, 2003 12:47 pm
Posts: 11679
Location: columbus, ohio
the vacuum operated distributor models have a known issue with the module wires breaking their conductors, unseen under the plastic wire insulation from the flexing caused by the slight rotation of the distributor breaker plate induced by the vacuum pots mechanically adjusting the timing.

a new module fixes that issue.

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