Code 42

Martin Powlette marquise at candw.lc
Tue Sep 8 10:46:58 GMT 1998


Yes, but I have reconnected that wire and cleared the code but it comes
right back after start up. Also the ign. coil's core is loose on the
laminated iron ring around it. What effect would that have??

Shannen Durphey wrote:

> Martin Powlette wrote:
> >
> > It me again and my luck with TBI 5.7 V8's . I checked the ignition
> > timing and set it to O TDC by specs, but there is code 42, ignition
> > wiring or faulty ign.module. If I clear the code it comes back as soon
> > as you start up and idle for even two minutes.  What do you guys think
> > ?? The pick up coil 9K, leads,cap and rotor are ok  One other thing it
> > stalls right after hard braking or sudden slow down especially down
> > hill. Can I adjust the idle speed off the tamper proof plug??
> > Any quick tests.  What about the ign. coil??
> >
> > Martin
>
> This code *always* sets when you disconnect the 5V bypass (tan/blk)
> connector to set the timing.  With it disconnected, the ecm has no way
> to adjust timing from base.
> Check it out.
> Shannen






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