[V8] RPM/Ignition sensor issues!

Kneale Brownson kneale at coslink.net
Thu Sep 21 16:32:06 EDT 2006

My understanding is that if you hooked 'em up backwards at the connector,
the engine shouldn't run because the sensors wouldn't be looking at the
right spot for the signal they're supposed to read.   I changed both when I
had one go bad because of it being such a PITA to get to.  

At 02:21 PM 9/21/2006 -0400, jpb3 wrote:
>I just replaced a failing RPM sensor b/c of a hot start problem figuring the
>sensor to be the culprit. ( the job is a PITA!) What I did, following advice
>from the instructions in a post I had saved, was put the new sensor in the
>ignition sensor position and move the old ignition sensor to the RPM
>position following the logic that I would rather have a hot start problem
>than a dying engine in the middle of the highway.  I only bought 1 new
>sensor as they are pretty pricey.  I had never had a dying engine problem so
>assumed the ignition sensor was still good.
>What happens now after I got everything back together is that I have BOTH a
>hot start issue AND dying engine problem!  WTF!!!!!!!!!!
>The engine just dies, does not run rough or stumble but just quits instantly
>as soon as the motor warms up.  It will not restart until it is cold again.
>So what this tells me is that both sensors are bad, right!  Even thebrand
>new OEM sensor!
>Am I correct that if I hooked the sensors up backwards ( at the connections)
> that it would not start nor run?  Could there be any other reason that the
>motor will start when cold and then die as soon as it's warm but not restart
>when it's hot?
>I am pulling my hair out here, please help!
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